1 files changed, 20 insertions, 0 deletions
diff --git a/tests/ui/error-codes/E0642.rs b/tests/ui/error-codes/E0642.rs
new file mode 100644
index 000000000..5f85f3935
--- /dev/null
+++ b/tests/ui/error-codes/E0642.rs
@@ -0,0 +1,20 @@
+// run-rustfix
+
+#![allow(unused)] // for rustfix
+
+#[derive(Clone, Copy)]
+struct S;
+
+trait T {
+    fn foo((x, y): (i32, i32)); //~ ERROR patterns aren't allowed in methods without bodies
+
+    fn bar((x, y): (i32, i32)) {} //~ ERROR patterns aren't allowed in methods without bodies
+
+    fn method(S { .. }: S) {} //~ ERROR patterns aren't allowed in methods without bodies
+
+    fn f(&ident: &S) {} // ok
+    fn g(&&ident: &&S) {} // ok
+    fn h(mut ident: S) {} // ok
+}
+
+fn main() {}