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			34 lines
		
	
	
		
			670 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			34 lines
		
	
	
		
			670 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
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| 
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| function empty() { }
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| 
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| function baz(expected, found) {
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|   var start = "";
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|   found.length, start + 'x';
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|   if (expected.length === found.length) {
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|     for (var i = 0; i < expected.length; ++i) {
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|       empty(found[i]);
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|     }
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|   }
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| }
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| 
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| baz([1], new (class A extends Array {}));
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| 
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| (function () {
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|   "use strict";
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|   function bar() {
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|     baz([1,2], arguments);
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|   }
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|   function foo() {
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|     bar(2147483648,-[]);
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|   }
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|   foo();
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|   foo();
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|   %OptimizeFunctionOnNextCall(foo);
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|   foo();
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| })();
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