solidity/test/libsolidity/syntaxTests/string/unicode_escape_literals_invalid_codepoint.sol

contract test {
    function f() public pure returns (string memory) {
        return "\xc1";
    }
}
// ----
// TypeError 6359: (86-92): Return argument type literal_string hex"c1" is not implicitly convertible to expected type (type of first return variable) string memory. Contains invalid UTF-8 sequence at position 0.
Add more tests for strings with unicode (escapes) 2020-07-13 17:23:42 +00:00			`contract test {`
			`function f() public pure returns (string memory) {`
			`return "\xc1";`
			`}`
			`}`
			`// ----`
Return UTF-8 error in BoolResult and remove it from string type 2020-09-23 14:04:22 +00:00			`// TypeError 6359: (86-92): Return argument type literal_string hex"c1" is not implicitly convertible to expected type (type of first return variable) string memory. Contains invalid UTF-8 sequence at position 0.`