mirror of
				https://github.com/tc39/test262.git
				synced 2025-10-31 19:53:50 +01:00 
			
		
		
		
	sourceRevisionAtLastExport: 33f2fb0e53d135f0ee17cfccd9d993eb2a6f47de targetRevisionAtLastExport: 31340cbd9add103f586d501b0c3354b7b182abc0
		
			
				
	
	
		
			23 lines
		
	
	
		
			405 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			23 lines
		
	
	
		
			405 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| // Copyright 2015 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
 | |
| 
 | |
| function bar(a) {
 | |
|   delete a[1];
 | |
| }
 | |
| 
 | |
| function foo(a) {
 | |
|   var d;
 | |
|   for (d in a) {
 | |
|     assertFalse(d === undefined);
 | |
|     bar(a);
 | |
|   }
 | |
| }
 | |
| 
 | |
| foo([1,2]);
 | |
| foo([2,3]);
 | |
| %OptimizeFunctionOnNextCall(foo);
 | |
| foo([1,2]);
 |