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			33 lines
		
	
	
		
			776 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			33 lines
		
	
	
		
			776 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() {
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|   return function(c) {
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|     var double_var = [3.0, 3.5][0];
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|     var literal = c ? [1, double_var] : [double_var, 3.5];
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|     return literal[0];
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|   };
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| }
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| 
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| var f1 = foo();
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| var f2 = foo();
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| 
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| // Both closures point to full code.
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| f1(false);
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| f2(false);
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| 
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| // Optimize f1, but don't initialize the [1, double_var] literal.
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| %OptimizeFunctionOnNextCall(f1);
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| f1(false);
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| 
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| // Initialize the [1, double_var] literal, and transition the boilerplate to
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| // double.
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| f2(true);
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| 
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| // Trick crankshaft into writing double_var at the wrong position.
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| var l = f1(true);
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| assertEquals(1, l);
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