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// Copyright 2019 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --allow-natives-syntax --opt --experimental-stack-trace-frames
// Verifies that "print" shows up in Error.stack when "bar" is optimized
// by Turbofan:
// Error
// at foo (...)
// at Object.toString (...)
// at print (<anonymous>)
// at bar (...)
// at (...)
let prepareStackTraceCalled = false;
Error.prepareStackTrace = (e, frames) => {
prepareStackTraceCalled = true;
assertEquals(5, frames.length);
assertEquals(foo, frames[0].getFunction());
assertEquals(object.toString, frames[1].getFunction());
assertEquals("print", frames[2].getFunctionName());
assertEquals(bar, frames[3].getFunction());
return frames;
};
function foo() { throw new Error(); }
const object = { toString: () => { return foo(); } };
function bar() {
print(object);
}
%PrepareFunctionForOptimization(bar);
try { bar(); } catch (e) {}
try { bar(); } catch (e) {}
%OptimizeFunctionOnNextCall(bar);
try { bar(); } catch(e) {
// Trigger prepareStackTrace.
e.stack;
}
assertOptimized(bar);
assertTrue(prepareStackTraceCalled);
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