c9f69db900
Bug: chromium:1254191, v8:9407 Change-Id: Ieb22063dad1ea8dfde359662d0330e689b6b2e05 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3193547 Reviewed-by: Maya Lekova <mslekova@chromium.org> Commit-Queue: Nico Hartmann <nicohartmann@chromium.org> Cr-Commit-Position: refs/heads/main@{#77177}
32 lines
701 B
JavaScript
32 lines
701 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 --opt --no-always-opt
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let g = 0;
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function f(x) {
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let y = BigInt.asUintN(64, 15n);
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// Introduce a side effect to force the construction of a FrameState that
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// captures the value of y.
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g = 42;
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try {
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return x + y;
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} catch(_) {
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return y;
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}
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}
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%PrepareFunctionForOptimization(f);
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assertEquals(16n, f(1n));
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assertEquals(17n, f(2n));
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%OptimizeFunctionOnNextCall(f);
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assertEquals(16n, f(1n));
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assertOptimized(f);
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assertEquals(15n, f(0));
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if (%Is64Bit()) {
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assertUnoptimized(f);
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}
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