9ed5596ade
This became temporarily a big issue, because spreads are desugared
into do-expressions. This patch fixes the problem with having
spreads as parameter initializers in arrow expressions, e.g., this
line would crash:
[], ((x = [...[42]]) => x)();
R=rossberg@chromium.org
BUG=chromium:578038
LOG=N
Review URL: https://codereview.chromium.org/1581403007
Cr-Commit-Position: refs/heads/master@{#33365}
17 lines
533 B
JavaScript
17 lines
533 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 testWithoutOtherLiteral() {
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var result = ((x = [...[42]]) => x)();
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assertEquals(result, [42]);
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})();
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(function testWithSomeOtherLiteral() {
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[]; // important: an array literal before the arrow function
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var result = ((x = [...[42]]) => x)(); // will core dump, if not fixed.
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assertEquals(result, [42]);
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})();
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