error: unknown byte escape: `f`
  --> $DIR/byte-literals.rs:3:21
   |
LL | static FOO: u8 = b'\f';
   |                     ^ unknown byte escape
   |
   = help: for more information, visit <https://doc.rust-lang.org/reference/tokens.html#literals>

error: unknown byte escape: `f`
  --> $DIR/byte-literals.rs:6:8
   |
LL |     b'\f';
   |        ^ unknown byte escape
   |
   = help: for more information, visit <https://doc.rust-lang.org/reference/tokens.html#literals>

error: invalid character in numeric character escape: `Z`
  --> $DIR/byte-literals.rs:7:10
   |
LL |     b'\x0Z';
   |          ^ invalid character in numeric character escape

error: byte constant must be escaped: `\t`
  --> $DIR/byte-literals.rs:8:7
   |
LL |     b'    ';
   |       ^^^^
   |
help: escape the character
   |
LL |     b'\t';
   |       ++

error: byte constant must be escaped: `'`
  --> $DIR/byte-literals.rs:9:7
   |
LL |     b''';
   |       ^
   |
help: escape the character
   |
LL |     b'\'';
   |       ~~

error: non-ASCII character in byte literal
  --> $DIR/byte-literals.rs:10:7
   |
LL |     b'é';
   |       ^ must be ASCII
   |
help: if you meant to use the unicode code point for 'é', use a \xHH escape
   |
LL |     b'\xE9';
   |       ~~~~

error[E0763]: unterminated byte constant
  --> $DIR/byte-literals.rs:11:6
   |
LL |     b'a
   |      ^^^^

error: aborting due to 7 previous errors

For more information about this error, try `rustc --explain E0763`.