23 lines
612 B
JavaScript
23 lines
612 B
JavaScript
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// Copyright 2024 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 --invocation-count-for-osr=1
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// Create a Int32 heap slot in script context.
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let a;
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function write(i) {
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a = 42 + i - i;
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}
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%PrepareFunctionForOptimization(write);
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write(0x7fff0000);
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%OptimizeFunctionOnNextCall(write);
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write(0x7fff0000);
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// Force an OSR read (non-function-context-specialization)
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// of the value.
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%NeverOptimizeFunction(assertEquals);
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for (let i = 0; i < 5000; i++) {
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assertEquals(42, a);
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}
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