Module code: early errors

Assert that relevant early errors are reported following the parsing of
module code.

test/language/module-code/early-dup-export-dflt-id.js

@@ -0,0 +1,15 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-module-semantics-static-semantics-early-errors
+es6id: 15.2.1.1
+description: >
+    It is a Syntax Error if the ExportedNames of ModuleItemList contains any
+    duplicate entries.
+flags: [module]
+negative: SyntaxError
+---*/
+
+var x, y;
+export default x;
+export { y as default };

test/language/module-code/early-export-global.js

@@ -0,0 +1,15 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-module-semantics-static-semantics-early-errors
+es6id: 15.2.1.1
+description: Exporting a global binding
+info: >
+    It is a Syntax Error if any element of the ExportedBindings of
+    ModuleItemList does not also occur in either the VarDeclaredNames of
+    ModuleItemList, or the LexicallyDeclaredNames of ModuleItemList.
+flags: [module]
+negative: SyntaxError
+---*/
+
+export { Number };

test/language/module-code/early-import-arguments.js

@@ -0,0 +1,31 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+description: ImportedBinding is a BindingIdentifier and cannot be "arguments"
+esid: sec-imports
+info: |
+    ImportSpecifier :
+      ImportedBinding
+      IdentifierName as ImportedBinding
+
+    ImportedBinding :
+      BindingIdentifier
+
+    12.1.1 Static Semantics : Early Errors
+
+    BindingIdentifier : Identifier
+
+    - It is a Syntax Error if the code matched by this production is contained
+      in strict mode code and the StringValue of Identifier is "arguments" or
+      "eval".
+negative: SyntaxError
+flags: [module]
+---*/
+
+// Create an appropriately-named ExportEntry in order to avoid false positives
+// (e.g. cases where the implementation does not generate the expected early
+// error but does produce a SyntaxError for unresolvable bindings).
+var x;
+export { x as arguments };
+
+import { arguments } from './early-import-arguments.js';

test/language/module-code/early-import-as-arguments.js

@@ -0,0 +1,31 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+description: ImportedBinding is a BindingIdentifier and cannot be "arguments"
+esid: sec-imports
+info: |
+    ImportSpecifier :
+      ImportedBinding
+      IdentifierName as ImportedBinding
+
+    ImportedBinding :
+      BindingIdentifier
+
+    12.1.1 Static Semantics : Early Errors
+
+    BindingIdentifier : Identifier
+
+    - It is a Syntax Error if the code matched by this production is contained
+      in strict mode code and the StringValue of Identifier is "arguments" or
+      "eval".
+negative: SyntaxError
+flags: [module]
+---*/
+
+// Create an appropriately-named ExportEntry in order to avoid false positives
+// (e.g. cases where the implementation does not generate the expected early
+// error but does produce a SyntaxError for unresolvable bindings).
+var x;
+export { x };
+
+import { x as arguments } from './early-import-as-arguments.js';

test/language/module-code/early-import-as-eval.js

@@ -0,0 +1,31 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+description: ImportedBinding is a BindingIdentifier and cannot be "eval"
+esid: sec-imports
+info: |
+    ImportSpecifier :
+      ImportedBinding
+      IdentifierName as ImportedBinding
+
+    ImportedBinding :
+      BindingIdentifier
+
+    12.1.1 Static Semantics : Early Errors
+
+    BindingIdentifier : Identifier
+
+    - It is a Syntax Error if the code matched by this production is contained
+      in strict mode code and the StringValue of Identifier is "arguments" or
+      "eval".
+negative: SyntaxError
+flags: [module]
+---*/
+
+// Create an appropriately-named ExportEntry in order to avoid false positives
+// (e.g. cases where the implementation does not generate the expected early
+// error but does produce a SyntaxError for unresolvable bindings).
+var x;
+export { x };
+
+import { x as eval } from './early-import-as-eval.js';

test/language/module-code/early-import-eval.js

@@ -0,0 +1,31 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+description: ImportedBinding is a BindingIdentifier and cannot be "eval"
+esid: sec-imports
+info: |
+    ImportSpecifier :
+      ImportedBinding
+      IdentifierName as ImportedBinding
+
+    ImportedBinding :
+      BindingIdentifier
+
+    12.1.1 Static Semantics : Early Errors
+
+    BindingIdentifier : Identifier
+
+    - It is a Syntax Error if the code matched by this production is contained
+      in strict mode code and the StringValue of Identifier is "arguments" or
+      "eval".
+negative: SyntaxError
+flags: [module]
+---*/
+
+// Create an appropriately-named ExportEntry in order to avoid false positives
+// (e.g. cases where the implementation does not generate the expected early
+// error but does produce a SyntaxError for unresolvable bindings).
+var x;
+export { x as eval };
+
+import { eval } from './early-import-eval.js';