1 files changed, 6 insertions, 0 deletions
diff --git a/tests/ui/parser/ascii-only-character-escape.rs b/tests/ui/parser/ascii-only-character-escape.rs
new file mode 100644
index 00000000000..725c8ad2351
--- /dev/null
+++ b/tests/ui/parser/ascii-only-character-escape.rs
@@ -0,0 +1,6 @@
+fn main() {
+    let x = "\x80"; //~ ERROR out of range hex escape
+    let y = "\xff"; //~ ERROR out of range hex escape
+    let z = "\xe2"; //~ ERROR out of range hex escape
+    let a = b"\x00e2";  // ok because byte literal
+}