1 files changed, 19 insertions, 0 deletions
diff --git a/src/test/ui/consts/packed_pattern.rs b/src/test/ui/consts/packed_pattern.rs
new file mode 100644
index 000000000..370fec6fb
--- /dev/null
+++ b/src/test/ui/consts/packed_pattern.rs
@@ -0,0 +1,19 @@
+// run-pass
+
+#[derive(PartialEq, Eq, Copy, Clone)]
+#[repr(packed)]
+struct Foo {
+    field: (i64, u32, u32, u32),
+}
+
+const FOO: Foo = Foo {
+    field: (5, 6, 7, 8),
+};
+
+fn main() {
+    match FOO {
+        Foo { field: (5, 6, 7, 8) } => {},
+        FOO => unreachable!(), //~ WARNING unreachable pattern
+        _ => unreachable!(),
+    }
+}