Generate tests

See e731114cff0a59936c5117f42d2d618c19920fb6

Signed-off-by: Rick Waldron <waldron.rick@gmail.com>

test/language/expressions/class/class-field-computed-name-empty-var-computed-name-empty-function.js

@@ -0,0 +1,35 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/computed-name-empty-var-computed-name-empty-function.case
+// - src/class-fields/default/cls-decl.template
+/*---
+description: Computed name var not initialized, computed name function (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class C {
+  ['a']; ['b'](){}
+
+  constructor() {
+    assert.sameValue(this.a, undefined);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+
+      assert.sameValue(typeof Object.getPrototypeOf(this).b, "function");
+      verifyNotEnumerable(Object.getPrototypeOf(this), "b");
+      verifyConfigurable(Object.getPrototypeOf(this), "b");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-computed-name-empty-var-empty-function.js

@@ -0,0 +1,35 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/computed-name-empty-var-empty-function.case
+// - src/class-fields/default/cls-decl.template
+/*---
+description: Computed name var not initialized, empty function (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class C {
+  ['a']; b(){}
+
+  constructor() {
+    assert.sameValue(this.a, undefined);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+
+      assert.sameValue(typeof Object.getPrototypeOf(this).b, "function");
+      verifyNotEnumerable(Object.getPrototypeOf(this), "b");
+      verifyConfigurable(Object.getPrototypeOf(this), "b");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-computed-name-empty-var-empty-var.js

@@ -0,0 +1,36 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/computed-name-empty-var-empty-var.case
+// - src/class-fields/default/cls-decl.template
+/*---
+description: Computed name var not initialized, var not initialized (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class C {
+  ['a']; b
+
+  constructor() {
+    assert.sameValue(this.a, undefined);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+
+      assert.sameValue(this.b, undefined);
+      verifyEnumerable(this, "b");
+      verifyWritable(this, "b");
+      verifyConfigurable(this, "b");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-computed-name-empty-var-generator-empty-function.js

@@ -0,0 +1,35 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/computed-name-empty-var-generator-empty-function.case
+// - src/class-fields/default/cls-decl.template
+/*---
+description: Computed name var not initialized, generator empty function (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class C {
+  ['a']; *b(){}
+
+  constructor() {
+    assert.sameValue(this.a, undefined);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+
+      assert.sameValue(typeof Object.getPrototypeOf(this).b, "function");
+      verifyNotEnumerable(Object.getPrototypeOf(this), "b");
+      verifyConfigurable(Object.getPrototypeOf(this), "b");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-computed-name-empty-var-new-line-asi.js

@@ -0,0 +1,31 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/computed-name-empty-var-new-line-asi.case
+// - src/class-fields/default/cls-decl.template
+/*---
+description: computed name empty var and newline (ASI) (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class C {
+  ['a']
+
+  constructor() {
+    assert.sameValue(this.a, undefined);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-computed-name-empty-var-new-line-computed-name-empty-function-asi.js

@@ -0,0 +1,35 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/computed-name-empty-var-new-line-computed-name-empty-function-asi.case
+// - src/class-fields/default/cls-decl.template
+/*---
+description: computed name empty var and newline, computed name empty function (ASI) (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class C {
+  ['a']
+    ['b'](){}
+  constructor() {
+    assert.sameValue(this.a, undefined);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+
+      assert.sameValue(typeof Object.getPrototypeOf(this).b, "function");
+      verifyNotEnumerable(Object.getPrototypeOf(this), "b");
+      verifyConfigurable(Object.getPrototypeOf(this), "b");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-computed-name-empty-var-new-line-empty-function-asi.js

@@ -0,0 +1,35 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/computed-name-empty-var-new-line-empty-function-asi.case
+// - src/class-fields/default/cls-decl.template
+/*---
+description: computed name empty var and newline, empty function (ASI) (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class C {
+  ['a']
+    b(){}
+  constructor() {
+    assert.sameValue(this.a, undefined);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+
+      assert.sameValue(typeof Object.getPrototypeOf(this).b, "function");
+      verifyNotEnumerable(Object.getPrototypeOf(this), "b");
+      verifyConfigurable(Object.getPrototypeOf(this), "b");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-computed-name-empty-var-new-line-empty-var-asi.js

@@ -0,0 +1,36 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/computed-name-empty-var-new-line-empty-var-asi.case
+// - src/class-fields/default/cls-decl.template
+/*---
+description: computed name empty var and newline, empty var (ASI) (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class C {
+  ['a']
+    b
+  constructor() {
+    assert.sameValue(this.a, undefined);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+
+      assert.sameValue(this.b, undefined);
+      verifyEnumerable(this, "b");
+      verifyWritable(this, "b");
+      verifyConfigurable(this, "b");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-computed-name-empty-var-new-line-generator-empty-function-asi.js

@@ -0,0 +1,35 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/computed-name-empty-var-new-line-generator-empty-function-asi.case
+// - src/class-fields/default/cls-decl.template
+/*---
+description: computed name empty var and newline, generator empty function (ASI) (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class C {
+  ['a']
+    *b(){}
+  constructor() {
+    assert.sameValue(this.a, undefined);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+
+      assert.sameValue(typeof Object.getPrototypeOf(this).b, "function");
+      verifyNotEnumerable(Object.getPrototypeOf(this), "b");
+      verifyConfigurable(Object.getPrototypeOf(this), "b");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-computed-name-empty-var.js

@@ -0,0 +1,31 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/computed-name-empty-var.case
+// - src/class-fields/default/cls-decl.template
+/*---
+description: Computed name var not initialized (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class C {
+  ['a'];
+
+  constructor() {
+    assert.sameValue(this.a, undefined);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-computed-name-zero-initializer-new-line-empty-bar-asi.js

@@ -0,0 +1,36 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/computed-name-zero-initializer-new-line-empty-bar-asi.case
+// - src/class-fields/default/cls-decl.template
+/*---
+description: computed name zero initialized var and newline, empty var (ASI) (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class C {
+  ['a'] = 0
+    b
+  constructor() {
+    assert.sameValue(this.a, 0);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+
+      assert.sameValue(this.b, undefined);
+      verifyEnumerable(this, "b");
+      verifyWritable(this, "b");
+      verifyConfigurable(this, "b");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-computed-name-zero-initializer-new-line-empty-function-asi.js

@@ -0,0 +1,35 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/computed-name-zero-initializer-new-line-empty-function-asi.case
+// - src/class-fields/default/cls-decl.template
+/*---
+description: computed name zero initialized var and newline, empty function (ASI) (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class C {
+  ['a'] = 0
+    b(){}
+  constructor() {
+    assert.sameValue(this.a, 0);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+
+      assert.sameValue(typeof Object.getPrototypeOf(this).b, "function");
+      verifyNotEnumerable(Object.getPrototypeOf(this), "b");
+      verifyConfigurable(Object.getPrototypeOf(this), "b");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-computed-name-zero-initializer-new-line-empty-var-asi.js

@@ -0,0 +1,36 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/computed-name-zero-initializer-new-line-empty-var-asi.case
+// - src/class-fields/default/cls-decl.template
+/*---
+description: computed name zero initialized var and newline, empty var (ASI) (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class C {
+  ['a'] = 0
+    b
+  constructor() {
+    assert.sameValue(this.a, 0);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+
+      assert.sameValue(this.b, undefined);
+      verifyEnumerable(this, "b");
+      verifyWritable(this, "b");
+      verifyConfigurable(this, "b");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-computed-name-zero-initializer-var-computed-name-empty-function.js

@@ -0,0 +1,35 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/computed-name-zero-initializer-var-computed-name-empty-function.case
+// - src/class-fields/default/cls-decl.template
+/*---
+description: Computed name var zero initialized, computed name empty function (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class C {
+  ['a'] = 0; ['b'](){}
+
+  constructor() {
+    assert.sameValue(this.a, 0);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+
+      assert.sameValue(typeof Object.getPrototypeOf(this).b, "function");
+      verifyNotEnumerable(Object.getPrototypeOf(this), "b");
+      verifyConfigurable(Object.getPrototypeOf(this), "b");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-computed-name-zero-initializer-var-empty-function.js

@@ -0,0 +1,35 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/computed-name-zero-initializer-var-empty-function.case
+// - src/class-fields/default/cls-decl.template
+/*---
+description: Computed name var zero initialized, empty function (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class C {
+  ['a'] = 0; b(){}
+
+  constructor() {
+    assert.sameValue(this.a, 0);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+
+      assert.sameValue(typeof Object.getPrototypeOf(this).b, "function");
+      verifyNotEnumerable(Object.getPrototypeOf(this), "b");
+      verifyConfigurable(Object.getPrototypeOf(this), "b");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-computed-name-zero-initializer-var-empty-var.js

@@ -0,0 +1,36 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/computed-name-zero-initializer-var-empty-var.case
+// - src/class-fields/default/cls-decl.template
+/*---
+description: Computed name var zero initialized, empty var (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class C {
+  ['a'] = 0; b
+
+  constructor() {
+    assert.sameValue(this.a, 0);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+
+      assert.sameValue(this.b, undefined);
+      verifyEnumerable(this, "b");
+      verifyWritable(this, "b");
+      verifyConfigurable(this, "b");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-computed-name-zero-initializer-var-generator-empty-function.js

@@ -0,0 +1,35 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/computed-name-zero-initializer-var-generator-empty-function.case
+// - src/class-fields/default/cls-decl.template
+/*---
+description: Computed name var zero initialized, generator empty function (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class C {
+  ['a'] = 0; *b(){}
+
+  constructor() {
+    assert.sameValue(this.a, 0);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+
+      assert.sameValue(typeof Object.getPrototypeOf(this).b, "function");
+      verifyNotEnumerable(Object.getPrototypeOf(this), "b");
+      verifyConfigurable(Object.getPrototypeOf(this), "b");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-computed-name-zero-initializer-var-new-line-asi.js

@@ -0,0 +1,31 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/computed-name-zero-initializer-var-new-line-asi.case
+// - src/class-fields/default/cls-decl.template
+/*---
+description: computed name zero initialized var and newline (ASI) (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class C {
+  ['a'] = 0
+
+  constructor() {
+    assert.sameValue(this.a, 0);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-computed-name-zero-initializer-var.js

@@ -0,0 +1,31 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/computed-name-zero-initializer-var.case
+// - src/class-fields/default/cls-decl.template
+/*---
+description: Computed name var zero initialized (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class C {
+  ['a'] = 0;
+
+  constructor() {
+    assert.sameValue(this.a, 0);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-double-empty-var.js

@@ -0,0 +1,36 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/double-empty-var.case
+// - src/class-fields/default/cls-decl.template
+/*---
+description: Empty var, empty var (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class C {
+  a; b;
+
+  constructor() {
+    assert.sameValue(this.a, undefined);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+
+      assert.sameValue(this.b, undefined);
+      verifyEnumerable(this, "b");
+      verifyWritable(this, "b");
+      verifyConfigurable(this, "b");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-empty-string-var.js

@@ -0,0 +1,31 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/empty-string-var.case
+// - src/class-fields/default/cls-decl.template
+/*---
+description: Empty string var (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class C {
+  'a';
+
+  constructor() {
+    assert.sameValue(this.a, undefined);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-empty-var-computed-name-empty-function.js

@@ -0,0 +1,35 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/empty-var-computed-name-empty-function.case
+// - src/class-fields/default/cls-decl.template
+/*---
+description: empty var, computed name empty function (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class C {
+  a; ['b'](){}
+
+  constructor() {
+    assert.sameValue(this.a, undefined);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+
+      assert.sameValue(typeof Object.getPrototypeOf(this).b, "function");
+      verifyNotEnumerable(Object.getPrototypeOf(this), "b");
+      verifyConfigurable(Object.getPrototypeOf(this), "b");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-empty-var-empty-function.js

@@ -0,0 +1,35 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/empty-var-empty-function.case
+// - src/class-fields/default/cls-decl.template
+/*---
+description: Empty var, empty function (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class C {
+  a; b(){}
+
+  constructor() {
+    assert.sameValue(this.a, undefined);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+
+      assert.sameValue(typeof Object.getPrototypeOf(this).b, "function");
+      verifyNotEnumerable(Object.getPrototypeOf(this), "b");
+      verifyConfigurable(Object.getPrototypeOf(this), "b");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-empty-var-generator-empty-function.js

@@ -0,0 +1,35 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/empty-var-generator-empty-function.case
+// - src/class-fields/default/cls-decl.template
+/*---
+description: Empty var, generator empty function (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class C {
+  a; *b(){}
+
+  constructor() {
+    assert.sameValue(this.a, undefined);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+
+      assert.sameValue(typeof Object.getPrototypeOf(this).b, "function");
+      verifyNotEnumerable(Object.getPrototypeOf(this), "b");
+      verifyConfigurable(Object.getPrototypeOf(this), "b");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-empty-var-new-line-asi.js

@@ -0,0 +1,31 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/empty-var-new-line-asi.case
+// - src/class-fields/default/cls-decl.template
+/*---
+description: empty var and newline (ASI) (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class C {
+  a
+
+  constructor() {
+    assert.sameValue(this.a, undefined);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-empty-var-new-line-computed-name-function-asi.js

@@ -0,0 +1,35 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/empty-var-new-line-computed-name-function-asi.case
+// - src/class-fields/default/cls-decl.template
+/*---
+description: empty var and newline, computed name empty function (ASI) (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class C {
+  a
+    ['b'](){}
+  constructor() {
+    assert.sameValue(this.a, undefined);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+
+      assert.sameValue(typeof Object.getPrototypeOf(this).b, "function");
+      verifyNotEnumerable(Object.getPrototypeOf(this), "b");
+      verifyConfigurable(Object.getPrototypeOf(this), "b");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-empty-var-new-line-empty-function-asi.js

@@ -0,0 +1,35 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/empty-var-new-line-empty-function-asi.case
+// - src/class-fields/default/cls-decl.template
+/*---
+description: empty var and newline, empty function (ASI) (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class C {
+  a
+    b(){}
+  constructor() {
+    assert.sameValue(this.a, undefined);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+
+      assert.sameValue(typeof Object.getPrototypeOf(this).b, "function");
+      verifyNotEnumerable(Object.getPrototypeOf(this), "b");
+      verifyConfigurable(Object.getPrototypeOf(this), "b");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-empty-var-new-line-empty-var-new-line-asi.js

@@ -0,0 +1,37 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/empty-var-new-line-empty-var-new-line-asi.case
+// - src/class-fields/default/cls-decl.template
+/*---
+description: empty var and newline, empty var and newline (ASI) (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class C {
+  a
+    b
+
+  constructor() {
+    assert.sameValue(this.a, undefined);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+
+      assert.sameValue(this.b, undefined);
+      verifyEnumerable(this, "b");
+      verifyWritable(this, "b");
+      verifyConfigurable(this, "b");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-empty-var-new-line-generator-empty-function-asi.js

@@ -0,0 +1,35 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/empty-var-new-line-generator-empty-function-asi.case
+// - src/class-fields/default/cls-decl.template
+/*---
+description: empty var and newline, generator empty function (ASI) (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class C {
+  a
+    *b(){}
+  constructor() {
+    assert.sameValue(this.a, undefined);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+
+      assert.sameValue(typeof Object.getPrototypeOf(this).b, "function");
+      verifyNotEnumerable(Object.getPrototypeOf(this), "b");
+      verifyConfigurable(Object.getPrototypeOf(this), "b");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-empty-var.js

@@ -0,0 +1,31 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/empty-var.case
+// - src/class-fields/default/cls-decl.template
+/*---
+description: Empty var (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class C {
+  a;
+
+  constructor() {
+    assert.sameValue(this.a, undefined);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-extends-computed-name-empty-var-computed-name-empty-function.js

@@ -0,0 +1,37 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/computed-name-empty-var-computed-name-empty-function.case
+// - src/class-fields/default/cls-decl-extends.template
+/*---
+description: Computed name var not initialized, computed name function (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class Base {}
+class C extends Base {
+  ['a']; ['b'](){}
+
+  constructor() {
+    super();
+    assert.sameValue(this.a, undefined);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+
+      assert.sameValue(typeof Object.getPrototypeOf(this).b, "function");
+      verifyNotEnumerable(Object.getPrototypeOf(this), "b");
+      verifyConfigurable(Object.getPrototypeOf(this), "b");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-extends-computed-name-empty-var-empty-function.js

@@ -0,0 +1,37 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/computed-name-empty-var-empty-function.case
+// - src/class-fields/default/cls-decl-extends.template
+/*---
+description: Computed name var not initialized, empty function (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class Base {}
+class C extends Base {
+  ['a']; b(){}
+
+  constructor() {
+    super();
+    assert.sameValue(this.a, undefined);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+
+      assert.sameValue(typeof Object.getPrototypeOf(this).b, "function");
+      verifyNotEnumerable(Object.getPrototypeOf(this), "b");
+      verifyConfigurable(Object.getPrototypeOf(this), "b");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-extends-computed-name-empty-var-empty-var.js

@@ -0,0 +1,38 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/computed-name-empty-var-empty-var.case
+// - src/class-fields/default/cls-decl-extends.template
+/*---
+description: Computed name var not initialized, var not initialized (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class Base {}
+class C extends Base {
+  ['a']; b
+
+  constructor() {
+    super();
+    assert.sameValue(this.a, undefined);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+
+      assert.sameValue(this.b, undefined);
+      verifyEnumerable(this, "b");
+      verifyWritable(this, "b");
+      verifyConfigurable(this, "b");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-extends-computed-name-empty-var-generator-empty-function.js

@@ -0,0 +1,37 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/computed-name-empty-var-generator-empty-function.case
+// - src/class-fields/default/cls-decl-extends.template
+/*---
+description: Computed name var not initialized, generator empty function (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class Base {}
+class C extends Base {
+  ['a']; *b(){}
+
+  constructor() {
+    super();
+    assert.sameValue(this.a, undefined);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+
+      assert.sameValue(typeof Object.getPrototypeOf(this).b, "function");
+      verifyNotEnumerable(Object.getPrototypeOf(this), "b");
+      verifyConfigurable(Object.getPrototypeOf(this), "b");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-extends-computed-name-empty-var-new-line-asi.js

@@ -0,0 +1,33 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/computed-name-empty-var-new-line-asi.case
+// - src/class-fields/default/cls-decl-extends.template
+/*---
+description: computed name empty var and newline (ASI) (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class Base {}
+class C extends Base {
+  ['a']
+
+  constructor() {
+    super();
+    assert.sameValue(this.a, undefined);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-extends-computed-name-empty-var-new-line-computed-name-empty-function-asi.js

@@ -0,0 +1,37 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/computed-name-empty-var-new-line-computed-name-empty-function-asi.case
+// - src/class-fields/default/cls-decl-extends.template
+/*---
+description: computed name empty var and newline, computed name empty function (ASI) (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class Base {}
+class C extends Base {
+  ['a']
+    ['b'](){}
+  constructor() {
+    super();
+    assert.sameValue(this.a, undefined);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+
+      assert.sameValue(typeof Object.getPrototypeOf(this).b, "function");
+      verifyNotEnumerable(Object.getPrototypeOf(this), "b");
+      verifyConfigurable(Object.getPrototypeOf(this), "b");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-extends-computed-name-empty-var-new-line-empty-function-asi.js

@@ -0,0 +1,37 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/computed-name-empty-var-new-line-empty-function-asi.case
+// - src/class-fields/default/cls-decl-extends.template
+/*---
+description: computed name empty var and newline, empty function (ASI) (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class Base {}
+class C extends Base {
+  ['a']
+    b(){}
+  constructor() {
+    super();
+    assert.sameValue(this.a, undefined);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+
+      assert.sameValue(typeof Object.getPrototypeOf(this).b, "function");
+      verifyNotEnumerable(Object.getPrototypeOf(this), "b");
+      verifyConfigurable(Object.getPrototypeOf(this), "b");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-extends-computed-name-empty-var-new-line-empty-var-asi.js

@@ -0,0 +1,38 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/computed-name-empty-var-new-line-empty-var-asi.case
+// - src/class-fields/default/cls-decl-extends.template
+/*---
+description: computed name empty var and newline, empty var (ASI) (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class Base {}
+class C extends Base {
+  ['a']
+    b
+  constructor() {
+    super();
+    assert.sameValue(this.a, undefined);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+
+      assert.sameValue(this.b, undefined);
+      verifyEnumerable(this, "b");
+      verifyWritable(this, "b");
+      verifyConfigurable(this, "b");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-extends-computed-name-empty-var-new-line-generator-empty-function-asi.js

@@ -0,0 +1,37 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/computed-name-empty-var-new-line-generator-empty-function-asi.case
+// - src/class-fields/default/cls-decl-extends.template
+/*---
+description: computed name empty var and newline, generator empty function (ASI) (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class Base {}
+class C extends Base {
+  ['a']
+    *b(){}
+  constructor() {
+    super();
+    assert.sameValue(this.a, undefined);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+
+      assert.sameValue(typeof Object.getPrototypeOf(this).b, "function");
+      verifyNotEnumerable(Object.getPrototypeOf(this), "b");
+      verifyConfigurable(Object.getPrototypeOf(this), "b");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-extends-computed-name-empty-var.js

@@ -0,0 +1,33 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/computed-name-empty-var.case
+// - src/class-fields/default/cls-decl-extends.template
+/*---
+description: Computed name var not initialized (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class Base {}
+class C extends Base {
+  ['a'];
+
+  constructor() {
+    super();
+    assert.sameValue(this.a, undefined);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-extends-computed-name-zero-initializer-new-line-empty-bar-asi.js

@@ -0,0 +1,38 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/computed-name-zero-initializer-new-line-empty-bar-asi.case
+// - src/class-fields/default/cls-decl-extends.template
+/*---
+description: computed name zero initialized var and newline, empty var (ASI) (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class Base {}
+class C extends Base {
+  ['a'] = 0
+    b
+  constructor() {
+    super();
+    assert.sameValue(this.a, 0);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+
+      assert.sameValue(this.b, undefined);
+      verifyEnumerable(this, "b");
+      verifyWritable(this, "b");
+      verifyConfigurable(this, "b");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-extends-computed-name-zero-initializer-new-line-empty-function-asi.js

@@ -0,0 +1,37 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/computed-name-zero-initializer-new-line-empty-function-asi.case
+// - src/class-fields/default/cls-decl-extends.template
+/*---
+description: computed name zero initialized var and newline, empty function (ASI) (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class Base {}
+class C extends Base {
+  ['a'] = 0
+    b(){}
+  constructor() {
+    super();
+    assert.sameValue(this.a, 0);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+
+      assert.sameValue(typeof Object.getPrototypeOf(this).b, "function");
+      verifyNotEnumerable(Object.getPrototypeOf(this), "b");
+      verifyConfigurable(Object.getPrototypeOf(this), "b");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-extends-computed-name-zero-initializer-new-line-empty-var-asi.js

@@ -0,0 +1,38 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/computed-name-zero-initializer-new-line-empty-var-asi.case
+// - src/class-fields/default/cls-decl-extends.template
+/*---
+description: computed name zero initialized var and newline, empty var (ASI) (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class Base {}
+class C extends Base {
+  ['a'] = 0
+    b
+  constructor() {
+    super();
+    assert.sameValue(this.a, 0);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+
+      assert.sameValue(this.b, undefined);
+      verifyEnumerable(this, "b");
+      verifyWritable(this, "b");
+      verifyConfigurable(this, "b");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-extends-computed-name-zero-initializer-var-computed-name-empty-function.js

@@ -0,0 +1,37 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/computed-name-zero-initializer-var-computed-name-empty-function.case
+// - src/class-fields/default/cls-decl-extends.template
+/*---
+description: Computed name var zero initialized, computed name empty function (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class Base {}
+class C extends Base {
+  ['a'] = 0; ['b'](){}
+
+  constructor() {
+    super();
+    assert.sameValue(this.a, 0);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+
+      assert.sameValue(typeof Object.getPrototypeOf(this).b, "function");
+      verifyNotEnumerable(Object.getPrototypeOf(this), "b");
+      verifyConfigurable(Object.getPrototypeOf(this), "b");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-extends-computed-name-zero-initializer-var-empty-function.js

@@ -0,0 +1,37 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/computed-name-zero-initializer-var-empty-function.case
+// - src/class-fields/default/cls-decl-extends.template
+/*---
+description: Computed name var zero initialized, empty function (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class Base {}
+class C extends Base {
+  ['a'] = 0; b(){}
+
+  constructor() {
+    super();
+    assert.sameValue(this.a, 0);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+
+      assert.sameValue(typeof Object.getPrototypeOf(this).b, "function");
+      verifyNotEnumerable(Object.getPrototypeOf(this), "b");
+      verifyConfigurable(Object.getPrototypeOf(this), "b");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-extends-computed-name-zero-initializer-var-empty-var.js

@@ -0,0 +1,38 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/computed-name-zero-initializer-var-empty-var.case
+// - src/class-fields/default/cls-decl-extends.template
+/*---
+description: Computed name var zero initialized, empty var (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class Base {}
+class C extends Base {
+  ['a'] = 0; b
+
+  constructor() {
+    super();
+    assert.sameValue(this.a, 0);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+
+      assert.sameValue(this.b, undefined);
+      verifyEnumerable(this, "b");
+      verifyWritable(this, "b");
+      verifyConfigurable(this, "b");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-extends-computed-name-zero-initializer-var-generator-empty-function.js

@@ -0,0 +1,37 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/computed-name-zero-initializer-var-generator-empty-function.case
+// - src/class-fields/default/cls-decl-extends.template
+/*---
+description: Computed name var zero initialized, generator empty function (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class Base {}
+class C extends Base {
+  ['a'] = 0; *b(){}
+
+  constructor() {
+    super();
+    assert.sameValue(this.a, 0);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+
+      assert.sameValue(typeof Object.getPrototypeOf(this).b, "function");
+      verifyNotEnumerable(Object.getPrototypeOf(this), "b");
+      verifyConfigurable(Object.getPrototypeOf(this), "b");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-extends-computed-name-zero-initializer-var-new-line-asi.js

@@ -0,0 +1,33 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/computed-name-zero-initializer-var-new-line-asi.case
+// - src/class-fields/default/cls-decl-extends.template
+/*---
+description: computed name zero initialized var and newline (ASI) (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class Base {}
+class C extends Base {
+  ['a'] = 0
+
+  constructor() {
+    super();
+    assert.sameValue(this.a, 0);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-extends-computed-name-zero-initializer-var.js

@@ -0,0 +1,33 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/computed-name-zero-initializer-var.case
+// - src/class-fields/default/cls-decl-extends.template
+/*---
+description: Computed name var zero initialized (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class Base {}
+class C extends Base {
+  ['a'] = 0;
+
+  constructor() {
+    super();
+    assert.sameValue(this.a, 0);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-extends-double-empty-var.js

@@ -0,0 +1,38 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/double-empty-var.case
+// - src/class-fields/default/cls-decl-extends.template
+/*---
+description: Empty var, empty var (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class Base {}
+class C extends Base {
+  a; b;
+
+  constructor() {
+    super();
+    assert.sameValue(this.a, undefined);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+
+      assert.sameValue(this.b, undefined);
+      verifyEnumerable(this, "b");
+      verifyWritable(this, "b");
+      verifyConfigurable(this, "b");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-extends-empty-string-var.js

@@ -0,0 +1,33 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/empty-string-var.case
+// - src/class-fields/default/cls-decl-extends.template
+/*---
+description: Empty string var (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class Base {}
+class C extends Base {
+  'a';
+
+  constructor() {
+    super();
+    assert.sameValue(this.a, undefined);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-extends-empty-var-computed-name-empty-function.js

@@ -0,0 +1,37 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/empty-var-computed-name-empty-function.case
+// - src/class-fields/default/cls-decl-extends.template
+/*---
+description: empty var, computed name empty function (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class Base {}
+class C extends Base {
+  a; ['b'](){}
+
+  constructor() {
+    super();
+    assert.sameValue(this.a, undefined);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+
+      assert.sameValue(typeof Object.getPrototypeOf(this).b, "function");
+      verifyNotEnumerable(Object.getPrototypeOf(this), "b");
+      verifyConfigurable(Object.getPrototypeOf(this), "b");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-extends-empty-var-empty-function.js

@@ -0,0 +1,37 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/empty-var-empty-function.case
+// - src/class-fields/default/cls-decl-extends.template
+/*---
+description: Empty var, empty function (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class Base {}
+class C extends Base {
+  a; b(){}
+
+  constructor() {
+    super();
+    assert.sameValue(this.a, undefined);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+
+      assert.sameValue(typeof Object.getPrototypeOf(this).b, "function");
+      verifyNotEnumerable(Object.getPrototypeOf(this), "b");
+      verifyConfigurable(Object.getPrototypeOf(this), "b");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-extends-empty-var-generator-empty-function.js

@@ -0,0 +1,37 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/empty-var-generator-empty-function.case
+// - src/class-fields/default/cls-decl-extends.template
+/*---
+description: Empty var, generator empty function (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class Base {}
+class C extends Base {
+  a; *b(){}
+
+  constructor() {
+    super();
+    assert.sameValue(this.a, undefined);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+
+      assert.sameValue(typeof Object.getPrototypeOf(this).b, "function");
+      verifyNotEnumerable(Object.getPrototypeOf(this), "b");
+      verifyConfigurable(Object.getPrototypeOf(this), "b");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-extends-empty-var-new-line-asi.js

@@ -0,0 +1,33 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/empty-var-new-line-asi.case
+// - src/class-fields/default/cls-decl-extends.template
+/*---
+description: empty var and newline (ASI) (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class Base {}
+class C extends Base {
+  a
+
+  constructor() {
+    super();
+    assert.sameValue(this.a, undefined);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-extends-empty-var-new-line-computed-name-function-asi.js

@@ -0,0 +1,37 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/empty-var-new-line-computed-name-function-asi.case
+// - src/class-fields/default/cls-decl-extends.template
+/*---
+description: empty var and newline, computed name empty function (ASI) (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class Base {}
+class C extends Base {
+  a
+    ['b'](){}
+  constructor() {
+    super();
+    assert.sameValue(this.a, undefined);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+
+      assert.sameValue(typeof Object.getPrototypeOf(this).b, "function");
+      verifyNotEnumerable(Object.getPrototypeOf(this), "b");
+      verifyConfigurable(Object.getPrototypeOf(this), "b");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-extends-empty-var-new-line-empty-function-asi.js

@@ -0,0 +1,37 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/empty-var-new-line-empty-function-asi.case
+// - src/class-fields/default/cls-decl-extends.template
+/*---
+description: empty var and newline, empty function (ASI) (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class Base {}
+class C extends Base {
+  a
+    b(){}
+  constructor() {
+    super();
+    assert.sameValue(this.a, undefined);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+
+      assert.sameValue(typeof Object.getPrototypeOf(this).b, "function");
+      verifyNotEnumerable(Object.getPrototypeOf(this), "b");
+      verifyConfigurable(Object.getPrototypeOf(this), "b");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-extends-empty-var-new-line-empty-var-new-line-asi.js

@@ -0,0 +1,39 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/empty-var-new-line-empty-var-new-line-asi.case
+// - src/class-fields/default/cls-decl-extends.template
+/*---
+description: empty var and newline, empty var and newline (ASI) (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class Base {}
+class C extends Base {
+  a
+    b
+
+  constructor() {
+    super();
+    assert.sameValue(this.a, undefined);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+
+      assert.sameValue(this.b, undefined);
+      verifyEnumerable(this, "b");
+      verifyWritable(this, "b");
+      verifyConfigurable(this, "b");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-extends-empty-var-new-line-generator-empty-function-asi.js

@@ -0,0 +1,37 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/empty-var-new-line-generator-empty-function-asi.case
+// - src/class-fields/default/cls-decl-extends.template
+/*---
+description: empty var and newline, generator empty function (ASI) (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class Base {}
+class C extends Base {
+  a
+    *b(){}
+  constructor() {
+    super();
+    assert.sameValue(this.a, undefined);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+
+      assert.sameValue(typeof Object.getPrototypeOf(this).b, "function");
+      verifyNotEnumerable(Object.getPrototypeOf(this), "b");
+      verifyConfigurable(Object.getPrototypeOf(this), "b");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-extends-empty-var.js

@@ -0,0 +1,33 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/empty-var.case
+// - src/class-fields/default/cls-decl-extends.template
+/*---
+description: Empty var (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class Base {}
+class C extends Base {
+  a;
+
+  constructor() {
+    super();
+    assert.sameValue(this.a, undefined);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-extends-string-zero-initializer-var.js

@@ -0,0 +1,33 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/string-zero-initializer-var.case
+// - src/class-fields/default/cls-decl-extends.template
+/*---
+description: string var zero initializer (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class Base {}
+class C extends Base {
+  'a' = 0;
+
+  constructor() {
+    super();
+    assert.sameValue(this.a, 0);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-extends-undefined-initializer-var.js

@@ -0,0 +1,33 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/undefined-initializer-var.case
+// - src/class-fields/default/cls-decl-extends.template
+/*---
+description: Empty var (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class Base {}
+class C extends Base {
+  a = undefined;
+
+  constructor() {
+    super();
+    assert.sameValue(this.a, undefined);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-extends-yield-var.js

@@ -0,0 +1,33 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/yield-var.case
+// - src/class-fields/default/cls-decl-extends.template
+/*---
+description: yield var (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class Base {}
+class C extends Base {
+  yield
+
+  constructor() {
+    super();
+    assert.sameValue(this.yield, undefined);
+      verifyEnumerable(this, "yield");
+      verifyWritable(this, "yield");
+      verifyConfigurable(this, "yield");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-extends-yield-zero-initializer-var.js

@@ -0,0 +1,33 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/yield-zero-initializer-var.case
+// - src/class-fields/default/cls-decl-extends.template
+/*---
+description: yield var zero initialized (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class Base {}
+class C extends Base {
+  yield = 0
+
+  constructor() {
+    super();
+    assert.sameValue(this.yield, 0);
+      verifyEnumerable(this, "yield");
+      verifyWritable(this, "yield");
+      verifyConfigurable(this, "yield");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-extends-zero-empty-var.js

@@ -0,0 +1,33 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/zero-empty-var.case
+// - src/class-fields/default/cls-decl-extends.template
+/*---
+description: zero var (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class Base {}
+class C extends Base {
+  0;
+
+  constructor() {
+    super();
+    assert.sameValue(this["0"], undefined);
+      verifyEnumerable(this, "0");
+      verifyWritable(this, "0");
+      verifyConfigurable(this, "0");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-extends-zero-initializer-var-computed-name-empty-function.js

@@ -0,0 +1,37 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/zero-initializer-var-computed-name-empty-function.case
+// - src/class-fields/default/cls-decl-extends.template
+/*---
+description: zero initialized var, computed name empty function (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class Base {}
+class C extends Base {
+  a = 0; ['b'](){}
+
+  constructor() {
+    super();
+    assert.sameValue(this.a, 0);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+
+      assert.sameValue(typeof Object.getPrototypeOf(this).b, "function");
+      verifyNotEnumerable(Object.getPrototypeOf(this), "b");
+      verifyConfigurable(Object.getPrototypeOf(this), "b");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-extends-zero-initializer-var-empty-function.js

@@ -0,0 +1,37 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/zero-initializer-var-empty-function.case
+// - src/class-fields/default/cls-decl-extends.template
+/*---
+description: zero initialized var, empty function (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class Base {}
+class C extends Base {
+  a = 0; b(){}
+
+  constructor() {
+    super();
+    assert.sameValue(this.a, 0);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+
+      assert.sameValue(typeof Object.getPrototypeOf(this).b, "function");
+      verifyNotEnumerable(Object.getPrototypeOf(this), "b");
+      verifyConfigurable(Object.getPrototypeOf(this), "b");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-extends-zero-initializer-var-empty-var.js

@@ -0,0 +1,38 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/zero-initializer-var-empty-var.case
+// - src/class-fields/default/cls-decl-extends.template
+/*---
+description: zero initialized var, empty var (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class Base {}
+class C extends Base {
+  a = 0; b
+
+  constructor() {
+    super();
+    assert.sameValue(this.a, 0);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+
+      assert.sameValue(this.b, undefined);
+      verifyEnumerable(this, "b");
+      verifyWritable(this, "b");
+      verifyConfigurable(this, "b");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-extends-zero-initializer-var-generator-empty-function.js

@@ -0,0 +1,37 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/zero-initializer-var-generator-empty-function.case
+// - src/class-fields/default/cls-decl-extends.template
+/*---
+description: zero initialized var, generator empty function (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class Base {}
+class C extends Base {
+  a = 0; *b(){}
+
+  constructor() {
+    super();
+    assert.sameValue(this.a, 0);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+
+      assert.sameValue(typeof Object.getPrototypeOf(this).b, "function");
+      verifyNotEnumerable(Object.getPrototypeOf(this), "b");
+      verifyConfigurable(Object.getPrototypeOf(this), "b");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-extends-zero-initializer-var-new-line-asi.js

@@ -0,0 +1,33 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/zero-initializer-var-new-line-asi.case
+// - src/class-fields/default/cls-decl-extends.template
+/*---
+description: zero initialized var and newline (ASI) (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class Base {}
+class C extends Base {
+  a = 0
+
+  constructor() {
+    super();
+    assert.sameValue(this.a, 0);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-extends-zero-initializer-var-new-line-empty-function-asi.js

@@ -0,0 +1,38 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/zero-initializer-var-new-line-empty-function-asi.case
+// - src/class-fields/default/cls-decl-extends.template
+/*---
+description: zero initialized var and newline, empty function (ASI) (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class Base {}
+class C extends Base {
+  a = 0
+    b(){}
+
+  constructor() {
+    super();
+    assert.sameValue(this.a, 0);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+
+      assert.sameValue(typeof Object.getPrototypeOf(this).b, "function");
+      verifyNotEnumerable(Object.getPrototypeOf(this), "b");
+      verifyConfigurable(Object.getPrototypeOf(this), "b");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-extends-zero-initializer-var-new-line-empty-var-asi.js

@@ -0,0 +1,39 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/zero-initializer-var-new-line-empty-var-asi.case
+// - src/class-fields/default/cls-decl-extends.template
+/*---
+description: zero initialized var and newline, empty var (ASI) (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class Base {}
+class C extends Base {
+  a = 0
+    b
+
+  constructor() {
+    super();
+    assert.sameValue(this.a, 0);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+
+      assert.sameValue(this.b, undefined);
+      verifyEnumerable(this, "b");
+      verifyWritable(this, "b");
+      verifyConfigurable(this, "b");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-extends-zero-initializer-var.js

@@ -0,0 +1,33 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/zero-initializer-var.case
+// - src/class-fields/default/cls-decl-extends.template
+/*---
+description: zero initialized var (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class Base {}
+class C extends Base {
+  a = 0;
+
+  constructor() {
+    super();
+    assert.sameValue(this.a, 0);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-extends-zero-zero-initializer-var.js

@@ -0,0 +1,33 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/zero-zero-initializer-var.case
+// - src/class-fields/default/cls-decl-extends.template
+/*---
+description: zero initialized zero var (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class Base {}
+class C extends Base {
+  0 = 0;
+
+  constructor() {
+    super();
+    assert.sameValue(this["0"], 0);
+      verifyEnumerable(this, "0");
+      verifyWritable(this, "0");
+      verifyConfigurable(this, "0");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-string-zero-initializer-var.js

@@ -0,0 +1,31 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/string-zero-initializer-var.case
+// - src/class-fields/default/cls-decl.template
+/*---
+description: string var zero initializer (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class C {
+  'a' = 0;
+
+  constructor() {
+    assert.sameValue(this.a, 0);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-undefined-initializer-var.js

@@ -0,0 +1,31 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/undefined-initializer-var.case
+// - src/class-fields/default/cls-decl.template
+/*---
+description: Empty var (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class C {
+  a = undefined;
+
+  constructor() {
+    assert.sameValue(this.a, undefined);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-yield-var.js

@@ -0,0 +1,31 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/yield-var.case
+// - src/class-fields/default/cls-decl.template
+/*---
+description: yield var (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class C {
+  yield
+
+  constructor() {
+    assert.sameValue(this.yield, undefined);
+      verifyEnumerable(this, "yield");
+      verifyWritable(this, "yield");
+      verifyConfigurable(this, "yield");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-yield-zero-initializer-var.js

@@ -0,0 +1,31 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/yield-zero-initializer-var.case
+// - src/class-fields/default/cls-decl.template
+/*---
+description: yield var zero initialized (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class C {
+  yield = 0
+
+  constructor() {
+    assert.sameValue(this.yield, 0);
+      verifyEnumerable(this, "yield");
+      verifyWritable(this, "yield");
+      verifyConfigurable(this, "yield");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-zero-empty-var.js

@@ -0,0 +1,31 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/zero-empty-var.case
+// - src/class-fields/default/cls-decl.template
+/*---
+description: zero var (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class C {
+  0;
+
+  constructor() {
+    assert.sameValue(this["0"], undefined);
+      verifyEnumerable(this, "0");
+      verifyWritable(this, "0");
+      verifyConfigurable(this, "0");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-zero-initializer-var-computed-name-empty-function.js

@@ -0,0 +1,35 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/zero-initializer-var-computed-name-empty-function.case
+// - src/class-fields/default/cls-decl.template
+/*---
+description: zero initialized var, computed name empty function (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class C {
+  a = 0; ['b'](){}
+
+  constructor() {
+    assert.sameValue(this.a, 0);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+
+      assert.sameValue(typeof Object.getPrototypeOf(this).b, "function");
+      verifyNotEnumerable(Object.getPrototypeOf(this), "b");
+      verifyConfigurable(Object.getPrototypeOf(this), "b");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-zero-initializer-var-empty-function.js

@@ -0,0 +1,35 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/zero-initializer-var-empty-function.case
+// - src/class-fields/default/cls-decl.template
+/*---
+description: zero initialized var, empty function (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class C {
+  a = 0; b(){}
+
+  constructor() {
+    assert.sameValue(this.a, 0);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+
+      assert.sameValue(typeof Object.getPrototypeOf(this).b, "function");
+      verifyNotEnumerable(Object.getPrototypeOf(this), "b");
+      verifyConfigurable(Object.getPrototypeOf(this), "b");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-zero-initializer-var-empty-var.js

@@ -0,0 +1,36 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/zero-initializer-var-empty-var.case
+// - src/class-fields/default/cls-decl.template
+/*---
+description: zero initialized var, empty var (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class C {
+  a = 0; b
+
+  constructor() {
+    assert.sameValue(this.a, 0);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+
+      assert.sameValue(this.b, undefined);
+      verifyEnumerable(this, "b");
+      verifyWritable(this, "b");
+      verifyConfigurable(this, "b");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-zero-initializer-var-generator-empty-function.js

@@ -0,0 +1,35 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/zero-initializer-var-generator-empty-function.case
+// - src/class-fields/default/cls-decl.template
+/*---
+description: zero initialized var, generator empty function (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class C {
+  a = 0; *b(){}
+
+  constructor() {
+    assert.sameValue(this.a, 0);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+
+      assert.sameValue(typeof Object.getPrototypeOf(this).b, "function");
+      verifyNotEnumerable(Object.getPrototypeOf(this), "b");
+      verifyConfigurable(Object.getPrototypeOf(this), "b");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-zero-initializer-var-new-line-asi.js

@@ -0,0 +1,31 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/zero-initializer-var-new-line-asi.case
+// - src/class-fields/default/cls-decl.template
+/*---
+description: zero initialized var and newline (ASI) (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class C {
+  a = 0
+
+  constructor() {
+    assert.sameValue(this.a, 0);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-zero-initializer-var-new-line-empty-function-asi.js

@@ -0,0 +1,36 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/zero-initializer-var-new-line-empty-function-asi.case
+// - src/class-fields/default/cls-decl.template
+/*---
+description: zero initialized var and newline, empty function (ASI) (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class C {
+  a = 0
+    b(){}
+
+  constructor() {
+    assert.sameValue(this.a, 0);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+
+      assert.sameValue(typeof Object.getPrototypeOf(this).b, "function");
+      verifyNotEnumerable(Object.getPrototypeOf(this), "b");
+      verifyConfigurable(Object.getPrototypeOf(this), "b");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-zero-initializer-var-new-line-empty-var-asi.js

@@ -0,0 +1,37 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/zero-initializer-var-new-line-empty-var-asi.case
+// - src/class-fields/default/cls-decl.template
+/*---
+description: zero initialized var and newline, empty var (ASI) (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class C {
+  a = 0
+    b
+
+  constructor() {
+    assert.sameValue(this.a, 0);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+
+      assert.sameValue(this.b, undefined);
+      verifyEnumerable(this, "b");
+      verifyWritable(this, "b");
+      verifyConfigurable(this, "b");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-zero-initializer-var.js

@@ -0,0 +1,31 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/zero-initializer-var.case
+// - src/class-fields/default/cls-decl.template
+/*---
+description: zero initialized var (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class C {
+  a = 0;
+
+  constructor() {
+    assert.sameValue(this.a, 0);
+      verifyEnumerable(this, "a");
+      verifyWritable(this, "a");
+      verifyConfigurable(this, "a");
+  }
+}
+
+const c = new C();

test/language/expressions/class/class-field-zero-zero-initializer-var.js

@@ -0,0 +1,31 @@
+// This file was procedurally generated from the following sources:
+// - src/class-fields/zero-zero-initializer-var.case
+// - src/class-fields/default/cls-decl.template
+/*---
+description: zero initialized zero var (class fields)
+flags: [generated]
+includes: [propertyHelper.js]
+info: |
+    1.1 New Productions
+
+    [...]
+
+    FieldDefinitionList [Yield, Await]:
+      FieldDefinition [?Yield, ?Await]
+      FieldDefinitionList  [?Yield, ?Await], FieldDefinition [?Yield, ?Await]
+
+---*/
+
+
+class C {
+  0 = 0;
+
+  constructor() {
+    assert.sameValue(this["0"], 0);
+      verifyEnumerable(this, "0");
+      verifyWritable(this, "0");
+      verifyConfigurable(this, "0");
+  }
+}
+
+const c = new C();