b715329a15
This allows try-catch and try-finally constructs to be separately enabled and disabled. We plan to stage try-catch support soon. R=titzer@chromium.org Review URL: https://codereview.chromium.org/1157863015 Cr-Commit-Position: refs/heads/master@{#28848}
56 lines
1.2 KiB
JavaScript
56 lines
1.2 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 --turbo-deoptimization
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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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%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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%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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%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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%OptimizeFunctionOnNextCall(DeoptFromFinally_ReThrow);
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assertThrows("DeoptFromFinally_ReThrow(new Error)", Error);
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