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+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://static.rust-lang.org/doc/master/reference.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://static.rust-lang.org/doc/master/reference.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: `\t`
+
+error: byte constant must be escaped: `'`
+ --> $DIR/byte-literals.rs:9:7
+ |
+LL | b''';
+ | ^ help: escape the character: `\'`
+
+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`.