forked from LeenkxTeam/Kmake
27 lines
725 B
JavaScript
27 lines
725 B
JavaScript
// 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 --turboshaft-string-concat-escape-analysis
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// Flags: --turbofan
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// In this test, `bar` will have a FrameState that contains an escaped string
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// concatenation, but it will actually be deduplicated to a reference to the
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// same string concatenation in its parent FrameState (for foo).
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function bar(a, b) {
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%DeoptimizeFunction(foo);
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}
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function foo(a) {
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bar('@@' + a + '~~');
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}
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%PrepareFunctionForOptimization(bar);
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%PrepareFunctionForOptimization(foo);
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foo('a');
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foo('a');
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%OptimizeFunctionOnNextCall(foo);
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foo('a');
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