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			18 lines
		
	
	
		
			466 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			18 lines
		
	
	
		
			466 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 --enable-slow-asserts --expose-gc
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| 
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| class Derived extends Array {
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|     constructor(a) { throw "error" }
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| }
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| 
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| // Derived is not a subclass of RegExp
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| let o = Reflect.construct(RegExp, [], Derived);
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| o.lastIndex = 0x1234;
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| %HeapObjectVerify(o);
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| 
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| gc();
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| %HeapObjectVerify(o);
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