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}
53 lines
826 B
JavaScript
53 lines
826 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: --allow-natives-syntax
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var shouldThrow = false;
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function h() {
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try { // Prevent inlining in Crankshaft.
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} catch (e) {
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}
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var res = g.arguments[0].x;
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if (shouldThrow) {
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throw res;
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}
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return res;
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}
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function g(o) {
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h();
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}
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function f1() {
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var o = {x: 1};
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g(o);
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return o.x;
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};
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%PrepareFunctionForOptimization(f1);
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function f2() {
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var o = {x: 2};
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g(o);
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return o.x;
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};
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%PrepareFunctionForOptimization(f2);
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f1();
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f2();
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f1();
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f2();
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%OptimizeFunctionOnNextCall(f1);
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%OptimizeFunctionOnNextCall(f2);
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shouldThrow = true;
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try {
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f1();
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} catch (e) {
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assertEquals(e, 1);
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}
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try {
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f2();
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} catch (e) {
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assertEquals(e, 2);
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}
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