b975441e77
The StringIndexOf operation is pure on the JS level, but the actual stub call must be in the effect chain later so that the Scheduler doesn't place it inside some allocation region (The %StringIndexOf runtime function may trigger a GC for string flattening). BUG=chromium:685580 R=jarin@chromium.org Review-Url: https://codereview.chromium.org/2657243002 Cr-Commit-Position: refs/heads/master@{#42736}
16 lines
390 B
JavaScript
16 lines
390 B
JavaScript
// Copyright 2017 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: --allow-natives-syntax
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function foo(s) {
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s = s + '0123456789012';
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return s.indexOf('0');
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}
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assertEquals(0, foo('0'));
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assertEquals(0, foo('0'));
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%OptimizeFunctionOnNextCall(foo);
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assertEquals(0, foo('0'));
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