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			19 lines
		
	
	
		
			486 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			19 lines
		
	
	
		
			486 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| // Copyright 2016 the V8 project authors. All rights reserved.
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| // Use of this source code is governed by a BSD-style license that can be
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| // found in the LICENSE file.
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| 
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| // Flags: --allow-natives-syntax
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| 
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| function foo(a) {
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|   return a.pop();
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| }
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| 
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| var a = new Array(4);
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| 
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| assertEquals(undefined, foo(a));
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| assertEquals(undefined, foo(a));
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| %OptimizeFunctionOnNextCall(foo);
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| assertEquals(undefined, foo(a));
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| Object.prototype.__defineGetter__(0, function() { return 1; });
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| assertEquals(1, foo(a));
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