918fe04351
PR-URL: https://github.com/nodejs/node/pull/58070 Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com> Reviewed-By: Darshan Sen <raisinten@gmail.com> Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com> Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com>
36 lines
971 B
JavaScript
36 lines
971 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 --turbolev --turbofan
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// Flags: --no-always-turbofan
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var a = "a".repeat(%StringMaxLength());
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function foo(a, b) {
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try {
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return a + "0123";
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} catch (e) {
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return e;
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}
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}
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%PrepareFunctionForOptimization(foo);
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assertEquals("a0123", foo("a"));
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assertEquals("a0123", foo("a"));
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%OptimizeFunctionOnNextCall(foo);
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assertEquals("a0123", foo("a"));
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assertOptimized(foo);
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// Triggering a thow by creating a too-large string. This will deopt the
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// function since this is the 1st time that it throws.
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assertInstanceof(foo(a), RangeError);
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assertUnoptimized(foo);
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// Reoptimizing the function. This time, it should deopt after throwing.
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%OptimizeFunctionOnNextCall(foo);
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assertEquals("a0123", foo("a"));
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assertInstanceof(foo(a), RangeError);
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assertOptimized(foo);
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