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			26 lines
		
	
	
		
			530 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			26 lines
		
	
	
		
			530 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| // Copyright 2017 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 --expose-gc --turbo-inline-array-builtins
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| 
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| (function() {
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|   var result = 0;
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|   var f = function() {
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|     var b = [,,];
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|     b[0] = 0;
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|     b[2] = 2;
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|     var sum = function(v,i,o) {
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|       result += i;
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|     };
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|     b.forEach(sum);
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|   }
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|   f();
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|   f();
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|   %OptimizeFunctionOnNextCall(f);
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|   f();
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|   f();
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|   f();
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|   assertEquals(10, result);
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| })();
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