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			13 lines
		
	
	
		
			360 B
		
	
	
	
		
			Solidity
		
	
	
	
	
	
			
		
		
	
	
			13 lines
		
	
	
		
			360 B
		
	
	
	
		
			Solidity
		
	
	
	
	
	
| pragma experimental SMTChecker;
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| 
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| contract C {
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| 	function f() public pure {
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| 		// ffff0000 in bytes4
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| 		bytes4 x = ~bytes4(hex"ffff");
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| 		assert(x == 0xffff0000); // should fail
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| 		assert(x == 0x0000ffff); // should hold
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| 	}
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| }
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| // ----
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| // Warning 6328: (133-156): CHC: Assertion violation happens here.\nCounterexample:\n\n\nTransaction trace:\nC.constructor()\nC.f()
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