1340089 - Check the binding name in comprehensionFor.
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@ -8101,6 +8101,8 @@ Parser<ParseHandler>::comprehensionFor(GeneratorKind comprehensionKind)
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MUST_MATCH_TOKEN_FUNC(TokenKindIsPossibleIdentifier, JSMSG_NO_VARIABLE_NAME);
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RootedPropertyName name(context, bindingIdentifier(YieldIsKeyword));
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if (!name)
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return null();
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if (name == context->names().let) {
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error(JSMSG_LET_COMP_BINDING);
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return null();
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107
js/src/tests/ecma_6/Comprehensions/for-reserved-word.js
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107
js/src/tests/ecma_6/Comprehensions/for-reserved-word.js
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@ -0,0 +1,107 @@
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var BUGNUMBER = 1340089;
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var summary = "Comprehension should check the binding names";
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print(BUGNUMBER + ": " + summary);
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// Non strict mode.
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// Keywords, literals, 'let', and 'yield' are not allowed.
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assertThrowsInstanceOf(function () {
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eval("[for (true of [1]) 2]");
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}, SyntaxError);
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assertThrowsInstanceOf(function () {
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eval("(for (true of [1]) 2)");
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}, SyntaxError);
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assertThrowsInstanceOf(function () {
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eval("[for (throw of [1]) 2]");
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}, SyntaxError);
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assertThrowsInstanceOf(function () {
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eval("(for (throw of [1]) 2)");
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}, SyntaxError);
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assertThrowsInstanceOf(function () {
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eval("[for (let of [1]) 2]");
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}, SyntaxError);
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assertThrowsInstanceOf(function () {
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eval("(for (let of [1]) 2)");
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}, SyntaxError);
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assertThrowsInstanceOf(function () {
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eval("[for (yield of [1]) 2]");
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}, SyntaxError);
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assertThrowsInstanceOf(function () {
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eval("(for (yield of [1]) 2)");
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}, SyntaxError);
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eval("[for (public of [1]) 2]");
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eval("(for (public of [1]) 2)");
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eval("[for (static of [1]) 2]");
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eval("(for (static of [1]) 2)");
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// Strict mode.
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// All reserved words are not allowed.
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assertThrowsInstanceOf(function () {
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"use strict";
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eval("[for (true of [1]) 2]");
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}, SyntaxError);
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assertThrowsInstanceOf(function () {
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"use strict";
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eval("(for (true of [1]) 2)");
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}, SyntaxError);
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assertThrowsInstanceOf(function () {
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"use strict";
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eval("[for (throw of [1]) 2]");
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}, SyntaxError);
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assertThrowsInstanceOf(function () {
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"use strict";
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eval("(for (throw of [1]) 2)");
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}, SyntaxError);
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assertThrowsInstanceOf(function () {
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"use strict";
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eval("[for (let of [1]) 2]");
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}, SyntaxError);
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assertThrowsInstanceOf(function () {
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"use strict";
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eval("(for (let of [1]) 2)");
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}, SyntaxError);
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assertThrowsInstanceOf(function () {
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"use strict";
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eval("[for (yield of [1]) 2]");
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}, SyntaxError);
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assertThrowsInstanceOf(function () {
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"use strict";
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eval("(for (yield of [1]) 2)");
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}, SyntaxError);
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assertThrowsInstanceOf(function () {
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"use strict";
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eval("[for (public of [1]) 2]");
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}, SyntaxError);
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assertThrowsInstanceOf(function () {
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"use strict";
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eval("(for (public of [1]) 2)");
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}, SyntaxError);
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assertThrowsInstanceOf(function () {
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"use strict";
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eval("[for (static of [1]) 2]");
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}, SyntaxError);
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assertThrowsInstanceOf(function () {
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"use strict";
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eval("(for (static of [1]) 2)");
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}, SyntaxError);
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(function () {
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"use strict";
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eval("[for (await of [1]) 2]");
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eval("(for (await of [1]) 2)");
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})();
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if (typeof reportCompare === "function")
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reportCompare(true, true);
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