1 files changed, 15 insertions, 0 deletions
diff --git a/src/test/ui/pattern/usefulness/issue-13727.rs b/src/test/ui/pattern/usefulness/issue-13727.rs
new file mode 100644
index 000000000..7fb565ef3
--- /dev/null
+++ b/src/test/ui/pattern/usefulness/issue-13727.rs
@@ -0,0 +1,15 @@
+#![allow(overflowing_literals)]
+#![deny(unreachable_patterns)]
+
+fn test(val: u8) {
+  match val {
+    256 => print!("0b1110\n"),
+    512 => print!("0b1111\n"),
+    //~^ ERROR: unreachable pattern
+    _   => print!("fail\n"),
+  }
+}
+
+fn main() {
+  test(1);
+}