3 static FOO: u8 = b'\f'; //~ ERROR unknown byte escape
6 b'\f'; //~ ERROR unknown byte escape
7 b'\x0Z'; //~ ERROR invalid character in numeric character escape: `Z`
8 b' '; //~ ERROR byte constant must be escaped
9 b'''; //~ ERROR byte constant must be escaped
10 b'é'; //~ ERROR non-ASCII character in byte literal
11 b'a //~ ERROR unterminated byte constant [E0763]