| // 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) { |
| if (call_super) { |
| super(); |
| } |
| } |
| } |
| |
| test = new B(1); |
| test = new B(1); |
| %OptimizeFunctionOnNextCall(B); |
| test = new B(1); |
| assertOptimized(B); |
| // Check that hole checks are handled correctly in optimized code. |
| assertThrows(() => {new B(0)}, ReferenceError); |
| assertOptimized(B); |
