0406fa2237
This patch introduces a mechanism for changing the scope of temporary variables, which is necessary for rewriting arrow parameter initializers. It also fixes a potential bug in AstExpressionVisitor, which did not visit the automatically generated members of ForEachStatement. Fixes test/mjsunit/harmony/regress/regress-4658.js R=rossberg@chromium.org BUG=v8:4658 LOG=N Review URL: https://codereview.chromium.org/1564343002 Cr-Commit-Position: refs/heads/master@{#33183}
22 lines
735 B
JavaScript
22 lines
735 B
JavaScript
// Copyright 2015 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --harmony-do-expressions
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(function testWithSimpleLoopVariable() {
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var f = (x, y = (do { var s=0; for (var e of x) s += e; s; })) => y*(y+1);
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var result = f([1,2,3]); // core dump here, if not fixed.
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assertEquals(result, 42);
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})();
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(function testWithComplexLoopVariable() {
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var f = (x, i=x[0]-1, a=[],
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y = (do { var s=0;
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for (a[i] of x) s += a[i++];
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s;
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})) => y*(a[0]+a[1]*a[2]);
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var result = f([1,2,3]); // core dump here, if not fixed.
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assertEquals(result, 42);
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})();
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