1 files changed, 26 insertions, 0 deletions
diff --git a/tests/ui/no-patterns-in-args-macro.rs b/tests/ui/no-patterns-in-args-macro.rs
new file mode 100644
index 000000000..b5109f9c2
--- /dev/null
+++ b/tests/ui/no-patterns-in-args-macro.rs
@@ -0,0 +1,26 @@
+macro_rules! m {
+    ($pat: pat) => {
+        trait Tr {
+            fn trait_method($pat: u8);
+        }
+
+        type A = fn($pat: u8);
+
+        extern "C" {
+            fn foreign_fn($pat: u8);
+        }
+    };
+}
+
+mod good_pat {
+    m!(good_pat); // OK
+}
+
+mod bad_pat {
+    m!((bad, pat));
+    //~^ ERROR patterns aren't allowed in function pointer types
+    //~| ERROR patterns aren't allowed in foreign function declarations
+    //~| ERROR patterns aren't allowed in functions without bodies
+}
+
+fn main() {}