mirror of
				https://github.com/tc39/test262.git
				synced 2025-10-31 03:34:08 +01:00 
			
		
		
		
	sourceRevisionAtLastExport: 33f2fb0e53d135f0ee17cfccd9d993eb2a6f47de targetRevisionAtLastExport: 31340cbd9add103f586d501b0c3354b7b182abc0
		
			
				
	
	
		
			25 lines
		
	
	
		
			642 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			25 lines
		
	
	
		
			642 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| // Copyright 2017 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
 | |
| 
 | |
| var sentinelObject = {};
 | |
| var evaluatedArg = false;
 | |
| class C extends Object {
 | |
|   constructor() {
 | |
|     try {
 | |
|       super(evaluatedArg = true);
 | |
|     } catch (e) {
 | |
|       assertInstanceof(e, TypeError);
 | |
|       return sentinelObject;
 | |
|     }
 | |
|   }
 | |
| }
 | |
| Object.setPrototypeOf(C, parseInt);
 | |
| assertSame(sentinelObject, new C());
 | |
| assertSame(sentinelObject, new C());
 | |
| %OptimizeFunctionOnNextCall(C)
 | |
| assertSame(sentinelObject, new C());
 | |
| assertFalse(evaluatedArg);
 |