46 lines
1.2 KiB
JavaScript
46 lines
1.2 KiB
JavaScript
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// Copyright 2019 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 --opt --experimental-stack-trace-frames
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// Verifies that "print" shows up in Error.stack when "bar" is optimized
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// by Turbofan:
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// Error
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// at foo (...)
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// at Object.toString (...)
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// at print (<anonymous>)
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// at bar (...)
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// at (...)
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let prepareStackTraceCalled = false;
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Error.prepareStackTrace = (e, frames) => {
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prepareStackTraceCalled = true;
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assertEquals(5, frames.length);
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assertEquals(foo, frames[0].getFunction());
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assertEquals(object.toString, frames[1].getFunction());
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assertEquals("print", frames[2].getFunctionName());
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assertEquals(bar, frames[3].getFunction());
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return frames;
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};
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function foo() { throw new Error(); }
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const object = { toString: () => { return foo(); } };
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function bar() {
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print(object);
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}
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%PrepareFunctionForOptimization(bar);
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try { bar(); } catch (e) {}
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try { bar(); } catch (e) {}
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%OptimizeFunctionOnNextCall(bar);
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try { bar(); } catch(e) {
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// Trigger prepareStackTrace.
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e.stack;
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}
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assertOptimized(bar);
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assertTrue(prepareStackTraceCalled);
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