v8/test/mjsunit/stack-trace-cpp-function-template-2.js
Camillo Bruni e3e8ea5d65 [flags] Rename --opt to --turbofan
To be consistent with the all the other tiers and avoid confusion, we
rename --opt to ---turbofan, and --always-opt to --always-turbofan.

Change-Id: Ie23dc8282b3fb4cf2fbf73b6c3d5264de5d09718
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3610431
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Commit-Queue: Camillo Bruni <cbruni@chromium.org>
Reviewed-by: Jakob Linke <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/main@{#80336}
2022-05-03 12:10:30 +00:00

46 lines
1.2 KiB
JavaScript

// 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 --turbofan --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);