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			26 lines
		
	
	
		
			592 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			26 lines
		
	
	
		
			592 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: --opt --allow-natives-syntax --no-always-opt
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| 
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| class A {
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|   constructor() { }
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| }
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| class B extends A {
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|   constructor(call_super) {
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|     if (call_super) {
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|       super();
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|     }
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|   }
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| }
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| 
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| test = new B(1);
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| test = new B(1);
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| %OptimizeFunctionOnNextCall(B);
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| test = new B(1);
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| assertOptimized(B);
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| // Check that hole checks are handled correctly in optimized code.
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| assertThrows(() => {new B(0)}, ReferenceError);
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| assertOptimized(B);
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