31a3cfbc10
BUG=v8:8801 Change-Id: I9d9d9824c6c9ad0176bbfd3723da1b578b17c256 Reviewed-on: https://chromium-review.googlesource.com/c/1495555 Commit-Queue: Ross McIlroy <rmcilroy@chromium.org> Reviewed-by: Mythri Alle <mythria@chromium.org> Cr-Commit-Position: refs/heads/master@{#60001}
33 lines
840 B
JavaScript
33 lines
840 B
JavaScript
// Copyright 2016 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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z = {};
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t = new Uint8Array(3);
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var m = 0;
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var x = 10;
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function k() {
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++m;
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if (m % 10 != 9) {
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if (m > 20) // This if is to just force it to deoptimize.
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x = '1'; // this deoptimizes during the second invocation of k.
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// This causes two deopts, one eager at x = 1 and the
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// other lazy at t[2] = z.
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t[2] = z; // since we are assigning to Uint8Array, ToNumber
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// is called which calls this funciton again.
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}
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}
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function f1() {
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%PrepareFunctionForOptimization(k);
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z.toString = k;
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z.toString();
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z.toString();
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%OptimizeFunctionOnNextCall(k);
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z.toString();
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}
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f1();
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