1 files changed, 54 insertions, 0 deletions
diff --git a/tests/ui/parser/byte-literals.stderr b/tests/ui/parser/byte-literals.stderr
new file mode 100644
index 00000000000..efa55ae05bd
--- /dev/null
+++ b/tests/ui/parser/byte-literals.stderr
@@ -0,0 +1,54 @@
+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`.