1 files changed, 25 insertions, 0 deletions
diff --git a/src/test/ui/parser/byte-literals.rs b/src/test/ui/parser/byte-literals.rs
new file mode 100644
index 00000000000..3ecd7780afd
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+++ b/src/test/ui/parser/byte-literals.rs
@@ -0,0 +1,25 @@
+// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+// compile-flags: -Z parse-only -Z continue-parse-after-error
+
+
+// ignore-tidy-tab
+
+static FOO: u8 = b'\f';  //~ ERROR unknown byte escape
+
+pub fn main() {
+    b'\f';  //~ ERROR unknown byte escape
+    b'\x0Z';  //~ ERROR invalid character in numeric character escape: Z
+    b'	';  //~ ERROR byte constant must be escaped
+    b''';  //~ ERROR byte constant must be escaped
+    b'é';  //~ ERROR byte constant must be ASCII
+    b'a  //~ ERROR unterminated byte constant
+}