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			33 lines
		
	
	
		
			872 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			33 lines
		
	
	
		
			872 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| // Copyright 2018 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 --opt
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| 
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| // Intended to test bug [882233] on TF inlined (js-call-reducer) path.
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| 
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| function shift_array() {
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|   let array = [];
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|   Object.defineProperty(array, 'length', {writable : false});
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|   return array.shift();
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| }
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| 
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| assertThrows(shift_array);
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| assertThrows(shift_array);
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| %OptimizeFunctionOnNextCall(shift_array);
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| assertThrows(shift_array);
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| assertOptimized(shift_array);
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| 
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| 
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| function shift_object() {
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|   let object = { length: 0 };
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|   Object.defineProperty(object, 'length', {writable : false});
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|   return object.shift();
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| }
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| 
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| assertThrows(shift_object);
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| assertThrows(shift_object);
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| %OptimizeFunctionOnNextCall(shift_object);
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| assertThrows(shift_object);
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| assertOptimized(shift_object);
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