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Issue 7756014: Detect conflicting variable bindings in harmony mode. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 9 years, 3 months ago
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1 // Copyright 2011 the V8 project authors. All rights reserved. 1 // Copyright 2011 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
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50 function TestLocalThrows(str, expect) { 50 function TestLocalThrows(str, expect) {
51 assertThrows("(function(){" + str + "})()", expect); 51 assertThrows("(function(){" + str + "})()", expect);
52 } 52 }
53 53
54 function TestLocalDoesNotThrow(str) { 54 function TestLocalDoesNotThrow(str) {
55 assertDoesNotThrow("(function(){" + str + "})()"); 55 assertDoesNotThrow("(function(){" + str + "})()");
56 } 56 }
57 57
58 // Unprotected statement 58 // Unprotected statement
59 TestLocalThrows("if (true) let x;", SyntaxError); 59 TestLocalThrows("if (true) let x;", SyntaxError);
60 TestLocalThrows("with ({}) let x;", SyntaxError);
61 TestLocalThrows("do let x; while (false)", SyntaxError); 60 TestLocalThrows("do let x; while (false)", SyntaxError);
62 TestLocalThrows("while (false) let x;", SyntaxError); 61 TestLocalThrows("while (false) let x;", SyntaxError);
63 62
64 TestLocalDoesNotThrow("if (true) var x;"); 63 TestLocalDoesNotThrow("if (true) var x;");
65 TestLocalDoesNotThrow("with ({}) var x;");
66 TestLocalDoesNotThrow("do var x; while (false)"); 64 TestLocalDoesNotThrow("do var x; while (false)");
67 TestLocalDoesNotThrow("while (false) var x;"); 65 TestLocalDoesNotThrow("while (false) var x;");
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