23 lines
468 B
JavaScript
23 lines
468 B
JavaScript
|
// Copyright 2016 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 --es-staging
|
||
|
|
||
|
"use strict";
|
||
|
|
||
|
function bar() {
|
||
|
try {
|
||
|
unref;
|
||
|
} catch (e) {
|
||
|
return (1 instanceof TypeError) && unref(); // Call in tail position!
|
||
|
}
|
||
|
}
|
||
|
|
||
|
function foo() {
|
||
|
return bar(); // Call in tail position!
|
||
|
}
|
||
|
|
||
|
%OptimizeFunctionOnNextCall(foo);
|
||
|
foo();
|