c6a16c10dd
With bytecode flushing and lazy feedback allocation, we need to call %PrepareForOptimization before we call %OptimizeFunctionOnNextCall, ideally after declaring the function. Bug: v8:8801, v8:8394, v8:9183 Change-Id: I3fb257282a30f6526a376a3afdedb44786320d34 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1648255 Commit-Queue: Mathias Bynens <mathias@chromium.org> Reviewed-by: Maya Lekova <mslekova@chromium.org> Reviewed-by: Mythri Alle <mythria@chromium.org> Cr-Commit-Position: refs/heads/master@{#62119}
46 lines
760 B
JavaScript
46 lines
760 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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function h() {
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var res = g.arguments;
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return res;
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}
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function g(o) {
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var res = h();
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return res;
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}
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function f1() {
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var o = {x: 42};
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var res = g(o);
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return 1;
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}
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function f0(a, b) {
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"use strict";
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return f1(5);
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};
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%PrepareFunctionForOptimization(f0);
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function boom(b) {
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if (b) throw new Error("boom!");
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};
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%PrepareFunctionForOptimization(boom);
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%NeverOptimizeFunction(h);
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f0();
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f0();
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%OptimizeFunctionOnNextCall(f0);
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boom(false);
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boom(false);
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%OptimizeFunctionOnNextCall(boom);
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try {
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f0(1, 2, 3);
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boom(true, 1, 2, 3);
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} catch (e) {
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}
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