blob: 554b622bd8333dce2e678bc11d5a944aa843105e [file] [log] [blame]
// 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: --opt --allow-natives-syntax --no-always-opt
class A {
constructor() { }
}
class B extends A {
constructor(call_super) {
super();
if (call_super) {
super();
}
}
}
// No feedback case
test = new B(0);
assertThrows(() => {new B(1)}, ReferenceError);
// Ensure Feedback
%PrepareFunctionForOptimization(B);
%EnsureFeedbackVectorForFunction(A);
test = new B(0);
test = new B(0);
assertThrows(() => {new B(1)}, ReferenceError);
assertThrows(() => {new B(1)}, ReferenceError);
%OptimizeFunctionOnNextCall(B);
test = new B(0);
assertOptimized(B);
// Check that hole checks are handled correctly in optimized code.
assertThrows(() => {new B(1)}, ReferenceError);
assertOptimized(B);