Add a regression test for issue-72565

Author: JohnTitor

src/test/ui/pattern/issue-72565.rs

@@ -0,0 +1,8 @@
+const F: &'static dyn PartialEq<u32> = &7u32;
+
+fn main() {
+    let a: &dyn PartialEq<u32> = &7u32;
+    match a {
+        F => panic!(), //~ ERROR: `&dyn PartialEq<u32>` cannot be used in patterns
+    }
+}

src/test/ui/pattern/issue-72565.stderr

@@ -0,0 +1,8 @@
+error: `&dyn PartialEq<u32>` cannot be used in patterns
+  --> $DIR/issue-72565.rs:6:9
+   |
+LL |         F => panic!(),
+   |         ^
+
+error: aborting due to previous error
+