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			34 lines
		
	
	
		
			826 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			34 lines
		
	
	
		
			826 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| // Copyright 2014 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: --gc-global --noincremental-marking --allow-natives-syntax
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| 
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| function Ctor() {
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|   this.foo = 1;
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| }
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| 
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| var o = new Ctor();
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| var p = new Ctor();
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| 
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| 
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| function crash(o, timeout) {
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|   var s = "4000111222";  // Outside Smi range.
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|   %SetAllocationTimeout(100000, timeout);
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|   // This allocates a heap number, causing a GC, triggering lazy deopt.
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|   var end = s >>> 0;
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|   s = s.substring(0, end);
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|   // This creates a map dependency, which gives the GC a reason to trigger
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|   // a lazy deopt when that map dies.
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|   o.bar = 2;
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| }
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| 
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| crash(o, 100000);
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| crash(o, 100000);
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| crash(p, 100000);
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| %OptimizeFunctionOnNextCall(crash);
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| crash(o, 100000);
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| o = null;
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| p = null;
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| crash({}, 0);
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