add feature tags

features.txt

@@ -279,6 +279,9 @@ Uint32Array
 Uint8ClampedArray
 WeakMap
 WeakSet
+__proto__
+__getter__
+__setter__
 
 ## Test-Harness Features
 #

test/built-ins/Object/prototype/__defineGetter__/define-abrupt.js

@@ -6,7 +6,7 @@ description: Behavior when [[DefineOwnProperty]] returns an abrupt completion
 info: |
     [...]
     5. Perform ? DefinePropertyOrThrow(O, key, desc).
-features: [Proxy]
+features: [Proxy, __getter__]
 ---*/
 
 var noop = function() {};

test/built-ins/Object/prototype/__defineGetter__/define-existing.js

@@ -11,6 +11,7 @@ info: |
     5. Perform ? DefinePropertyOrThrow(O, key, desc).
     6. Return undefined.
 includes: [propertyHelper.js]
+features: [__getter__]
 ---*/
 
 var subject = {};

test/built-ins/Object/prototype/__defineGetter__/define-new.js

@@ -11,6 +11,7 @@ info: |
     5. Perform ? DefinePropertyOrThrow(O, key, desc).
     6. Return undefined.
 includes: [propertyHelper.js]
+features: [__getter__]
 ---*/
 
 var subject = {};

test/built-ins/Object/prototype/__defineGetter__/define-non-configurable.js

@@ -6,6 +6,7 @@ description: Behavior when property exists and is not configurable
 info: |
     [...]
     5. Perform ? DefinePropertyOrThrow(O, key, desc).
+features: [__getter__]
 ---*/
 
 var noop = function() {};

test/built-ins/Object/prototype/__defineGetter__/define-non-extensible.js

@@ -6,6 +6,7 @@ description: Behavior when "this" value is not extensible
 info: |
     [...]
     5. Perform ? DefinePropertyOrThrow(O, key, desc).
+features: [__getter__]
 ---*/
 
 var noop = function() {};

test/built-ins/Object/prototype/__defineGetter__/getter-non-callable.js

@@ -6,7 +6,7 @@ description: Behavior when getter is not callable
 info: |
     [...]
     2. If IsCallable(getter) is false, throw a TypeError exception.
-features: [Symbol]
+features: [Symbol, __getter__]
 ---*/
 
 var subject = {};

test/built-ins/Object/prototype/__defineGetter__/key-invalid.js

@@ -6,6 +6,7 @@ description: Behavior when property key cannot be derived
 info: |
     [...]
     4. Let key be ? ToPropertyKey(P).
+features: [__getter__]
 ---*/
 
 var noop = function() {};

test/built-ins/Object/prototype/__defineGetter__/length.js

@@ -16,6 +16,7 @@ info: |
     object has the attributes { [[Writable]]: false, [[Enumerable]]: false,
     [[Configurable]]: true }.
 includes: [propertyHelper.js]
+features: [__getter__]
 ---*/
 
 verifyProperty(Object.prototype.__defineGetter__, "length", {

test/built-ins/Object/prototype/__defineGetter__/name.js

@@ -17,6 +17,7 @@ info: |
     object, if it exists, has the attributes { [[Writable]]: false,
     [[Enumerable]]: false, [[Configurable]]: true }.
 includes: [propertyHelper.js]
+features: [__getter__]
 ---*/
 
 verifyProperty(Object.prototype.__defineGetter__, "name", {

test/built-ins/Object/prototype/__defineGetter__/prop-desc.js

@@ -8,6 +8,7 @@ info: |
     B.2 has the attributes { [[Writable]]: true, [[Enumerable]]: false,
     [[Configurable]]: true } unless otherwise specified.
 includes: [propertyHelper.js]
+features: [__getter__]
 ---*/
 
 verifyProperty(Object.prototype, "__defineGetter__", {

test/built-ins/Object/prototype/__defineGetter__/this-non-obj.js

@@ -5,6 +5,7 @@ esid: sec-additional-properties-of-the-object.prototype-object
 description: Behavior when "this" value is not Object-coercible
 info: |
     1. Let O be ? ToObject(this value).
+features: [__getter__]
 ---*/
 
 var __defineGetter__ = Object.prototype.__defineGetter__;

test/built-ins/Object/prototype/__defineSetter__/define-abrupt.js

@@ -6,7 +6,7 @@ description: Behavior when [[DefineOwnProperty]] returns an abrupt completion
 info: |
     [...]
     5. Perform ? DefinePropertyOrThrow(O, key, desc).
-features: [Proxy]
+features: [Proxy, __setter__]
 ---*/
 
 var noop = function() {};

test/built-ins/Object/prototype/__defineSetter__/define-existing.js

@@ -11,6 +11,7 @@ info: |
     5. Perform ? DefinePropertyOrThrow(O, key, desc).
     6. Return undefined.
 includes: [propertyHelper.js]
+features: [__setter__]
 ---*/
 
 var subject = {};

test/built-ins/Object/prototype/__defineSetter__/define-new.js

@@ -11,6 +11,7 @@ info: |
     5. Perform ? DefinePropertyOrThrow(O, key, desc).
     6. Return undefined.
 includes: [propertyHelper.js]
+features: [__setter__]
 ---*/
 
 var subject = {};

test/built-ins/Object/prototype/__defineSetter__/define-non-configurable.js

@@ -6,6 +6,7 @@ description: Behavior when property exists and is not configurable
 info: |
     [...]
     5. Perform ? DefinePropertyOrThrow(O, key, desc).
+features: [__setter__]
 ---*/
 
 var noop = function() {};

test/built-ins/Object/prototype/__defineSetter__/define-non-extensible.js

@@ -6,6 +6,7 @@ description: Behavior when "this" value is not extensible
 info: |
     [...]
     5. Perform ? DefinePropertyOrThrow(O, key, desc).
+features: [__setter__]
 ---*/
 
 var noop = function() {};

test/built-ins/Object/prototype/__defineSetter__/key-invalid.js

@@ -6,6 +6,7 @@ description: Behavior when property key cannot be derived
 info: |
     [...]
     4. Let key be ? ToPropertyKey(P).
+features: [__setter__]
 ---*/
 
 var noop = function() {};

test/built-ins/Object/prototype/__defineSetter__/length.js

@@ -16,6 +16,7 @@ info: |
     object has the attributes { [[Writable]]: false, [[Enumerable]]: false,
     [[Configurable]]: true }.
 includes: [propertyHelper.js]
+features: [__setter__]
 ---*/
 
 verifyProperty(Object.prototype.__defineSetter__, "length", {

test/built-ins/Object/prototype/__defineSetter__/name.js

@@ -17,6 +17,7 @@ info: |
     object, if it exists, has the attributes { [[Writable]]: false,
     [[Enumerable]]: false, [[Configurable]]: true }.
 includes: [propertyHelper.js]
+features: [__setter__]
 ---*/
 
 verifyProperty(Object.prototype.__defineSetter__, "name", {

test/built-ins/Object/prototype/__defineSetter__/prop-desc.js

@@ -8,6 +8,7 @@ info: |
     B.2 has the attributes { [[Writable]]: true, [[Enumerable]]: false,
     [[Configurable]]: true } unless otherwise specified.
 includes: [propertyHelper.js]
+features: [__setter__]
 ---*/
 
 verifyProperty(Object.prototype, "__defineSetter__", {

test/built-ins/Object/prototype/__defineSetter__/setter-non-callable.js

@@ -6,7 +6,7 @@ description: Behavior when getter is not callable
 info: |
     [...]
     2. If IsCallable(setter) is false, throw a TypeError exception.
-features: [Symbol]
+features: [Symbol, __setter__]
 ---*/
 
 var subject = {};

test/built-ins/Object/prototype/__defineSetter__/this-non-obj.js

@@ -5,6 +5,7 @@ esid: sec-additional-properties-of-the-object.prototype-object
 description: Behavior when "this" value is not Object-coercible
 info: |
     1. Let O be ? ToObject(this value).
+features: [__setter__]
 ---*/
 
 var __defineSetter__ = Object.prototype.__defineSetter__;

test/built-ins/Object/prototype/__lookupGetter__/key-invalid.js

@@ -6,6 +6,7 @@ description: Behavior when property key cannot be derived
 info: |
     [...]
     2. Let key be ? ToPropertyKey(P).
+features: [__getter__]
 ---*/
 
 var subject = {};

test/built-ins/Object/prototype/__lookupGetter__/length.js

@@ -16,6 +16,7 @@ info: |
     object has the attributes { [[Writable]]: false, [[Enumerable]]: false,
     [[Configurable]]: true }.
 includes: [propertyHelper.js]
+features: [__getter__]
 ---*/
 
 verifyProperty(Object.prototype.__lookupGetter__, "length", {

test/built-ins/Object/prototype/__lookupGetter__/lookup-not-found.js

@@ -12,6 +12,7 @@ info: |
           ii. Return undefined.
        c. Let O be ? O.[[GetPrototypeOf]]().
        d. If O is null, return undefined.
+features: [__getter__]
 ---*/
 
 var root = {};

test/built-ins/Object/prototype/__lookupGetter__/lookup-own-acsr-w-getter.js

@@ -14,6 +14,7 @@ info: |
           ii. Return undefined.
        c. Let O be ? O.[[GetPrototypeOf]]().
        d. If O is null, return undefined.
+features: [__getter__]
 ---*/
 
 var root = Object.defineProperty({}, 'target', { get: function() {} });

test/built-ins/Object/prototype/__lookupGetter__/lookup-own-acsr-wo-getter.js

@@ -14,6 +14,7 @@ info: |
           ii. Return undefined.
        c. Let O be ? O.[[GetPrototypeOf]]().
        d. If O is null, return undefined.
+features: [__getter__]
 ---*/
 
 var root = Object.defineProperty({}, 'target', { get: function() {} });

test/built-ins/Object/prototype/__lookupGetter__/lookup-own-data.js

@@ -12,6 +12,7 @@ info: |
           ii. Return undefined.
        c. Let O be ? O.[[GetPrototypeOf]]().
        d. If O is null, return undefined.
+features: [__getter__]
 ---*/
 
 var root = Object.defineProperty({}, 'target', { get: function() {} });

test/built-ins/Object/prototype/__lookupGetter__/lookup-own-get-err.js

@@ -14,7 +14,7 @@ info: |
           ii. Return undefined.
        c. Let O be ? O.[[GetPrototypeOf]]().
        d. If O is null, return undefined.
-features: [Proxy]
+features: [Proxy, __getter__]
 ---*/
 
 var root = Object.defineProperty({}, 'target', { get: function() {} });

test/built-ins/Object/prototype/__lookupGetter__/lookup-own-proto-err.js

@@ -14,7 +14,7 @@ info: |
           ii. Return undefined.
        c. Let O be ? O.[[GetPrototypeOf]]().
        d. If O is null, return undefined.
-features: [Proxy]
+features: [Proxy, __getter__]
 ---*/
 
 var root = Object.defineProperty({}, 'target', { get: function() {} });

test/built-ins/Object/prototype/__lookupGetter__/lookup-proto-acsr-w-getter.js

@@ -14,6 +14,7 @@ info: |
           ii. Return undefined.
        c. Let O be ? O.[[GetPrototypeOf]]().
        d. If O is null, return undefined.
+features: [__getter__]
 ---*/
 
 var root = Object.defineProperty({}, 'target', { get: function() {} });

test/built-ins/Object/prototype/__lookupGetter__/lookup-proto-acsr-wo-getter.js

@@ -14,6 +14,7 @@ info: |
           ii. Return undefined.
        c. Let O be ? O.[[GetPrototypeOf]]().
        d. If O is null, return undefined.
+features: [__getter__]
 ---*/
 
 var root = Object.defineProperty({}, 'target', { get: function() {} });

test/built-ins/Object/prototype/__lookupGetter__/lookup-proto-data.js

@@ -12,6 +12,7 @@ info: |
           ii. Return undefined.
        c. Let O be ? O.[[GetPrototypeOf]]().
        d. If O is null, return undefined.
+features: [__getter__]
 ---*/
 
 var root = Object.defineProperty({}, 'target', { get: function() {} });

test/built-ins/Object/prototype/__lookupGetter__/lookup-proto-get-err.js

@@ -13,7 +13,7 @@ info: |
           ii. Return undefined.
        c. Let O be ? O.[[GetPrototypeOf]]().
        d. If O is null, return undefined.
-features: [Proxy]
+features: [Proxy, __getter__]
 ---*/
 
 var root = Object.defineProperty({}, 'target', { get: function() {} });

test/built-ins/Object/prototype/__lookupGetter__/lookup-proto-proto-err.js

@@ -13,7 +13,7 @@ info: |
           ii. Return undefined.
        c. Let O be ? O.[[GetPrototypeOf]]().
        d. If O is null, return undefined.
-features: [Proxy]
+features: [Proxy, __getter__]
 ---*/
 
 var root = Object.defineProperty({}, 'target', { get: function() {} });

test/built-ins/Object/prototype/__lookupGetter__/name.js

@@ -17,6 +17,7 @@ info: |
     object, if it exists, has the attributes { [[Writable]]: false,
     [[Enumerable]]: false, [[Configurable]]: true }.
 includes: [propertyHelper.js]
+features: [__getter__]
 ---*/
 
 verifyProperty(Object.prototype.__lookupGetter__, "name", {

test/built-ins/Object/prototype/__lookupGetter__/prop-desc.js

@@ -8,6 +8,7 @@ info: |
     B.2 has the attributes { [[Writable]]: true, [[Enumerable]]: false,
     [[Configurable]]: true } unless otherwise specified.
 includes: [propertyHelper.js]
+features: [__getter__]
 ---*/
 
 verifyProperty(Object.prototype, "__lookupGetter__", {

test/built-ins/Object/prototype/__lookupGetter__/this-non-obj.js

@@ -5,6 +5,7 @@ esid: sec-additional-properties-of-the-object.prototype-object
 description: Behavior when "this" value is not Object-coercible
 info: |
     1. Let O be ? ToObject(this value).
+features: [__getter__]
 ---*/
 
 var __lookupGetter__ = Object.prototype.__lookupGetter__;

test/built-ins/Object/prototype/__lookupSetter__/key-invalid.js

@@ -6,6 +6,7 @@ description: Behavior when property key cannot be derived
 info: |
     [...]
     2. Let key be ? ToPropertyKey(P).
+features: [__setter__]
 ---*/
 
 var subject = {};

test/built-ins/Object/prototype/__lookupSetter__/length.js

@@ -16,6 +16,7 @@ info: |
     object has the attributes { [[Writable]]: false, [[Enumerable]]: false,
     [[Configurable]]: true }.
 includes: [propertyHelper.js]
+features: [__setter__]
 ---*/
 
 verifyProperty(Object.prototype.__lookupSetter__, "length", {

test/built-ins/Object/prototype/__lookupSetter__/lookup-not-found.js

@@ -12,6 +12,7 @@ info: |
           ii. Return undefined.
        c. Let O be ? O.[[GetPrototypeOf]]().
        d. If O is null, return undefined.
+features: [__setter__]
 ---*/
 
 var root = {};

test/built-ins/Object/prototype/__lookupSetter__/lookup-own-acsr-w-setter.js

@@ -14,6 +14,7 @@ info: |
           ii. Return undefined.
        c. Let O be ? O.[[GetPrototypeOf]]().
        d. If O is null, return undefined.
+features: [__setter__]
 ---*/
 
 var root = Object.defineProperty({}, 'target', { set: function() {} });

test/built-ins/Object/prototype/__lookupSetter__/lookup-own-acsr-wo-setter.js

@@ -14,6 +14,7 @@ info: |
           ii. Return undefined.
        c. Let O be ? O.[[GetPrototypeOf]]().
        d. If O is null, return undefined.
+features: [__setter__]
 ---*/
 
 var root = Object.defineProperty({}, 'target', { set: function() {} });

test/built-ins/Object/prototype/__lookupSetter__/lookup-own-data.js

@@ -12,6 +12,7 @@ info: |
           ii. Return undefined.
        c. Let O be ? O.[[GetPrototypeOf]]().
        d. If O is null, return undefined.
+features: [__setter__]
 ---*/
 
 var root = Object.defineProperty({}, 'target', { set: function() {} });

test/built-ins/Object/prototype/__lookupSetter__/lookup-own-get-err.js

@@ -14,7 +14,7 @@ info: |
           ii. Return undefined.
        c. Let O be ? O.[[GetPrototypeOf]]().
        d. If O is null, return undefined.
-features: [Proxy]
+features: [Proxy, __setter__]
 ---*/
 
 var root = Object.defineProperty({}, 'target', { set: function() {} });

test/built-ins/Object/prototype/__lookupSetter__/lookup-own-proto-err.js

@@ -14,7 +14,7 @@ info: |
           ii. Return undefined.
        c. Let O be ? O.[[GetPrototypeOf]]().
        d. If O is null, return undefined.
-features: [Proxy]
+features: [Proxy, __setter__]
 ---*/
 
 var root = Object.defineProperty({}, 'target', { set: function() {} });

test/built-ins/Object/prototype/__lookupSetter__/lookup-proto-acsr-w-setter.js

@@ -14,6 +14,7 @@ info: |
           ii. Return undefined.
        c. Let O be ? O.[[GetPrototypeOf]]().
        d. If O is null, return undefined.
+features: [__setter__]
 ---*/
 
 var root = Object.defineProperty({}, 'target', { set: function() {} });

test/built-ins/Object/prototype/__lookupSetter__/lookup-proto-acsr-wo-setter.js

@@ -14,6 +14,7 @@ info: |
           ii. Return undefined.
        c. Let O be ? O.[[GetPrototypeOf]]().
        d. If O is null, return undefined.
+features: [__setter__]
 ---*/
 
 var root = Object.defineProperty({}, 'target', { set: function() {} });

test/built-ins/Object/prototype/__lookupSetter__/lookup-proto-data.js

@@ -12,6 +12,7 @@ info: |
           ii. Return undefined.
        c. Let O be ? O.[[GetPrototypeOf]]().
        d. If O is null, return undefined.
+features: [__setter__]
 ---*/
 
 var root = Object.defineProperty({}, 'target', { set: function() {} });

test/built-ins/Object/prototype/__lookupSetter__/lookup-proto-get-err.js

@@ -13,7 +13,7 @@ info: |
           ii. Return undefined.
        c. Let O be ? O.[[GetPrototypeOf]]().
        d. If O is null, return undefined.
-features: [Proxy]
+features: [Proxy, __setter__]
 ---*/
 
 var root = Object.defineProperty({}, 'target', { set: function() {} });

test/built-ins/Object/prototype/__lookupSetter__/lookup-proto-proto-err.js

@@ -13,7 +13,7 @@ info: |
           ii. Return undefined.
        c. Let O be ? O.[[GetPrototypeOf]]().
        d. If O is null, return undefined.
-features: [Proxy]
+features: [Proxy, __setter__]
 ---*/
 
 var root = Object.defineProperty({}, 'target', { set: function() {} });

test/built-ins/Object/prototype/__lookupSetter__/name.js

@@ -17,6 +17,7 @@ info: |
     object, if it exists, has the attributes { [[Writable]]: false,
     [[Enumerable]]: false, [[Configurable]]: true }.
 includes: [propertyHelper.js]
+features: [__setter__]
 ---*/
 
 verifyProperty(Object.prototype.__lookupSetter__, "name", {

test/built-ins/Object/prototype/__lookupSetter__/prop-desc.js

@@ -8,6 +8,7 @@ info: |
     B.2 has the attributes { [[Writable]]: true, [[Enumerable]]: false,
     [[Configurable]]: true } unless otherwise specified.
 includes: [propertyHelper.js]
+features: [__setter__]
 ---*/
 
 verifyProperty(Object.prototype, "__lookupSetter__", {

test/built-ins/Object/prototype/__lookupSetter__/this-non-obj.js

@@ -5,6 +5,7 @@ esid: sec-additional-properties-of-the-object.prototype-object
 description: Behavior when "this" value is not Object-coercible
 info: |
     1. Let O be ? ToObject(this value).
+features: [__setter__]
 ---*/
 
 var __lookupSetter__ = Object.prototype.__lookupSetter__;

test/built-ins/Object/prototype/__proto__/get-abrupt.js

@@ -7,7 +7,7 @@ description: Abrupt completion from [[GetPrototypeOf]]
 info: |
     1. Let O be ? ToObject(this value).
     2. Return ? O.[[GetPrototypeOf]]().
-features: [Proxy]
+features: [Proxy, __proto__]
 ---*/
 
 var get = Object.getOwnPropertyDescriptor(Object.prototype, '__proto__').get;

test/built-ins/Object/prototype/__proto__/get-fn-name.js

@@ -11,6 +11,7 @@ description: >
     properties have "get " or "set " prepended to the property name string.
 
 includes: [propertyHelper.js]
+features: [__proto__]
 ---*/
 
 var descriptor = Object.getOwnPropertyDescriptor(Object.prototype, "__proto__");

test/built-ins/Object/prototype/__proto__/get-ordinary-obj.js

@@ -7,6 +7,7 @@ description: Normal completion from ordinary object's [[GetPrototypeOf]]
 info: |
     1. Let O be ? ToObject(this value).
     2. Return ? O.[[GetPrototypeOf]]().
+features: [__proto__]
 ---*/
 
 var get = Object.getOwnPropertyDescriptor(Object.prototype, '__proto__').get;

test/built-ins/Object/prototype/__proto__/get-to-obj-abrupt.js

@@ -6,6 +6,7 @@ es6id: B.2.2.1
 description: Abrupt completion from ToObject
 info: |
     1. Let O be ? ToObject(this value).
+features: [__proto__]
 ---*/
 
 var get = Object.getOwnPropertyDescriptor(Object.prototype, '__proto__').get;

test/built-ins/Object/prototype/__proto__/prop-desc.js

@@ -9,6 +9,7 @@ info: |
     [[Enumerable]]: false, [[Configurable]]: true }. The [[Get]] and [[Set]]
     attributes are defined as follows:
 includes: [propertyHelper.js]
+features: [__proto__]
 ---*/
 
 var desc = Object.getOwnPropertyDescriptor(Object.prototype, '__proto__');

test/built-ins/Object/prototype/__proto__/set-abrupt.js

@@ -7,7 +7,7 @@ description: Abrupt completion from [[SetPrototypeOf]]
 info: |
     [...]
     4. Let status be ? O.[[SetPrototypeOf]](proto).
-features: [Proxy]
+features: [Proxy, __proto__]
 ---*/
 
 var thrower = function() {

test/built-ins/Object/prototype/__proto__/set-cycle-shadowed.js

@@ -23,6 +23,7 @@ info: |
           i. If the [[GetPrototypeOf]] internal method of p is not the ordinary
              object internal method defined in 9.1.1, let done be true.
           ii. Else, let p be the value of p's [[Prototype]] internal slot.
+features: [__proto__]
 ---*/
 
 var root = {};

test/built-ins/Object/prototype/__proto__/set-cycle.js

@@ -21,6 +21,7 @@ info: |
           i. If the [[GetPrototypeOf]] internal method of p is not the ordinary
              object internal method defined in 9.1.1, let done be true.
           ii. Else, let p be the value of p's [[Prototype]] internal slot.
+features: [__proto__]
 ---*/
 
 var root = {};

test/built-ins/Object/prototype/__proto__/set-fn-name.js

@@ -11,6 +11,7 @@ description: >
     properties have "get " or "set " prepended to the property name string.
 
 includes: [propertyHelper.js]
+features: [__proto__]
 ---*/
 
 var descriptor = Object.getOwnPropertyDescriptor(Object.prototype, '__proto__');

test/built-ins/Object/prototype/__proto__/set-immutable.js

@@ -7,6 +7,7 @@ info: |
     [...]
     4. Let status be ? O.[[SetPrototypeOf]](proto).
     5. If status is false, throw a TypeError exception.
+features: [__proto__]
 ---*/
 
 Object.prototype.__proto__ = null;

test/built-ins/Object/prototype/__proto__/set-invalid-value.js

@@ -7,7 +7,7 @@ description: Called with a value that is neither an Object nor Null
 info: |
     1. Let O be ? RequireObjectCoercible(this value).
     2. If Type(proto) is neither Object nor Null, return undefined.
-features: [Symbol]
+features: [Symbol, __proto__]
 ---*/
 
 var set = Object.getOwnPropertyDescriptor(Object.prototype, '__proto__').set;

test/built-ins/Object/prototype/__proto__/set-non-extensible.js

@@ -16,6 +16,7 @@ info: |
     3. Let current be the value of the [[Prototype]] internal slot of O.
     4. If SameValue(V, current) is true, return true.
     5. If extensible is false, return false.
+features: [__proto__]
 ---*/
 
 var proto = {};

test/built-ins/Object/prototype/__proto__/set-non-obj-coercible.js

@@ -6,6 +6,7 @@ es6id: B.2.2.1
 description: Called on a value that is not object-coercible
 info: |
     1. Let O be ? RequireObjectCoercible(this value).
+features: [__proto__]
 ---*/
 
 var set = Object.getOwnPropertyDescriptor(Object.prototype, '__proto__').set;

test/built-ins/Object/prototype/__proto__/set-non-object.js

@@ -8,7 +8,7 @@ info: |
     1. Let O be ? RequireObjectCoercible(this value).
     2. If Type(proto) is neither Object nor Null, return undefined.
     3. If Type(O) is not Object, return undefined.
-features: [Symbol]
+features: [Symbol, __proto__]
 ---*/
 
 var set = Object.getOwnPropertyDescriptor(Object.prototype, '__proto__').set;

test/built-ins/Object/prototype/__proto__/set-ordinary-obj.js

@@ -9,6 +9,7 @@ info: |
     4. Let status be ? O.[[SetPrototypeOf]](proto).
     5. If status is false, throw a TypeError exception.
     6. Return undefined.
+features: [__proto__]
 ---*/
 
 var set = Object.getOwnPropertyDescriptor(Object.prototype, '__proto__').set;

test/built-ins/Proxy/set/call-parameters-prototype-dunder-proto.js

@@ -26,7 +26,7 @@ info: |
   ...
   12. Return true.
 includes: [proxyTrapsHelper.js]
-features: [Proxy]
+features: [Proxy, __proto__]
 ---*/
 
 var _handler, _target, _prop, _value, _receiver;

test/language/expressions/class/poisoned-underscore-proto.js

@@ -14,7 +14,7 @@ info: |
 
   [...]
   4. Set obj.[[Prototype]] to proto.
-features: [class]
+features: [class, __proto__]
 ---*/
 
 Object.defineProperty(Object.prototype, '__proto__', {

test/language/expressions/object/__proto__-permitted-dup.js

@@ -13,7 +13,7 @@ info: |
     any duplicate entries for "__proto__" and at least two of those entries
     were obtained from productions of the form
     PropertyDefinition : PropertyName : AssignmentExpression .
-features: [generators, async-functions, async-iteration]
+features: [generators, async-functions, async-iteration, __proto__]
 ---*/
 
 var obj = {