solidity/test/libsolidity/syntaxTests/controlFlow/storageReturn/while_err.sol

contract C {
    struct S { bool f; }
    S s;
    function f() internal view returns (S storage c) {
        while(false) {
            c = s;
        }
    }
}
// ----
// TypeError: (87-98): This variable is of storage pointer type and can be returned without prior assignment.
Turn warning about uninitialized storage returns into an error. 2018-08-02 16:55:06 +00:00			`contract C {`
			`struct S { bool f; }`
			`S s;`
			`function f() internal view returns (S storage c) {`
			`while(false) {`
			`c = s;`
			`}`
			`}`
			`}`
			`// ----`
Refactoring of the ControlFlowGraph and use for detecting all uninitialized storage accesses. 2018-12-07 17:20:35 +00:00			`// TypeError: (87-98): This variable is of storage pointer type and can be returned without prior assignment.`