31a3cfbc10
BUG=v8:8801 Change-Id: I9d9d9824c6c9ad0176bbfd3723da1b578b17c256 Reviewed-on: https://chromium-review.googlesource.com/c/1495555 Commit-Queue: Ross McIlroy <rmcilroy@chromium.org> Reviewed-by: Mythri Alle <mythria@chromium.org> Cr-Commit-Position: refs/heads/master@{#60001}
60 lines
1.4 KiB
JavaScript
60 lines
1.4 KiB
JavaScript
// Copyright 2015 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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function DeoptFromTry(x) {
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try {
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%DeoptimizeFunction(DeoptFromTry);
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throw x;
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} catch (e) {
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return e + 1;
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}
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return x + 2;
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}
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%PrepareFunctionForOptimization(DeoptFromTry);
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%OptimizeFunctionOnNextCall(DeoptFromTry);
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assertEquals(24, DeoptFromTry(23));
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function DeoptFromCatch(x) {
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try {
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throw x;
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} catch (e) {
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%DeoptimizeFunction(DeoptFromCatch);
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return e + 1;
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}
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return x + 2;
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}
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%PrepareFunctionForOptimization(DeoptFromCatch);
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%OptimizeFunctionOnNextCall(DeoptFromCatch);
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assertEquals(24, DeoptFromCatch(23));
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function DeoptFromFinally_Return(x) {
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try {
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throw x;
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} finally {
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%DeoptimizeFunction(DeoptFromFinally_Return);
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return x + 1;
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}
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return x + 2;
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}
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%PrepareFunctionForOptimization(DeoptFromFinally_Return);
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%OptimizeFunctionOnNextCall(DeoptFromFinally_Return);
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assertEquals(24, DeoptFromFinally_Return(23));
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function DeoptFromFinally_ReThrow(x) {
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try {
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throw x;
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} finally {
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%DeoptimizeFunction(DeoptFromFinally_ReThrow);
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}
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return x + 2;
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}
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%PrepareFunctionForOptimization(DeoptFromFinally_ReThrow);
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%OptimizeFunctionOnNextCall(DeoptFromFinally_ReThrow);
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assertThrows("DeoptFromFinally_ReThrow(new Error)", Error);
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