1297c928d5
ReduceJSHasProperty was always passing STANDARD_LOAD instead of using the load mode from the feedback verctor. This was causing deopt loops when checking for out-of-bounds indices. chromium: 937734 Change-Id: I6de29f2c6a80bcc171cf027d47a2d1af1414b76c Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1501975 Reviewed-by: Benedikt Meurer <bmeurer@chromium.org> Commit-Queue: Matt Gardner <magardn@microsoft.com> Cr-Commit-Position: refs/heads/master@{#60073}
17 lines
336 B
JavaScript
17 lines
336 B
JavaScript
// Copyright 2019 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()
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{
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return 1 in [0];
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}
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foo();
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foo();
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%OptimizeFunctionOnNextCall(foo);
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foo();
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assertEquals(0, %GetDeoptCount(foo));
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