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			12 lines
		
	
	
		
			307 B
		
	
	
	
		
			Solidity
		
	
	
	
	
	
			
		
		
	
	
			12 lines
		
	
	
		
			307 B
		
	
	
	
		
			Solidity
		
	
	
	
	
	
contract C {
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    struct S { uint a; }
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    S s;
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    function f() internal returns (S storage r)
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    {
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        r.a = 0;
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        r = s;
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    }
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}
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// ----
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// TypeError 3464: (109-110): This variable is of storage pointer type and can be accessed without prior assignment, which would lead to undefined behaviour.
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