d5c1730a27
Simple example with exception handling and deoptimization. BUG=v8:6563 Change-Id: I0a82b72e10f12355b2eb351fde3c1be84455da66 Reviewed-on: https://chromium-review.googlesource.com/645854 Commit-Queue: Benedikt Meurer <bmeurer@chromium.org> Reviewed-by: Benedikt Meurer <bmeurer@chromium.org> Cr-Commit-Position: refs/heads/master@{#47755}
29 lines
538 B
JavaScript
29 lines
538 B
JavaScript
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// Copyright 2017 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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// Small program to test deoptimization with exception handling.
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function g() {
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%DeoptimizeFunction(f);
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throw 42;
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}
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%NeverOptimizeFunction(g);
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function f() {
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var a = 1;
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try {
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g();
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} catch (e) {
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return e + a;
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}
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}
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assertEquals(f(), 43);
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assertEquals(f(), 43);
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%OptimizeFunctionOnNextCall(f);
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assertEquals(f(), 43);
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