1 files changed, 24 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr56980.c b/gcc/testsuite/gcc.dg/pr56980.c
new file mode 100644
index 0000000..f48379a
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr56980.c
@@ -0,0 +1,24 @@
+/* PR c/56980 */
+/* { dg-do compile } */
+
+typedef struct A { int i; } B;
+typedef union U { int i; } V;
+typedef enum E { G } F;
+
+void foo_s (struct A); /* { dg-message "expected .struct A. but argument is of type .B \\*." } */
+void foo_u (union U); /* { dg-message "expected .union U. but argument is of type .V \\*." } */
+void foo_e (enum E); /* { dg-message "expected .enum E. but argument is of type .F \\*." } */
+void foo_sp (B *); /* { dg-message "expected .B \\*. but argument is of type .struct B \\*." } */
+void foo_up (V *); /* { dg-message "expected .V \\*. but argument is of type .union V \\*." } */
+void foo_ep (F *); /* { dg-message "expected .F \\*. but argument is of type .enum F \\*." } */
+
+void 
+bar (B *b, V *v, F *f)
+{
+  foo_s (b); /* { dg-error "incompatible" } */
+  foo_u (v); /* { dg-error "incompatible" } */
+  foo_e (f); /* { dg-error "incompatible" } */
+  foo_sp ((struct B *) b); /* { dg-error "passing argument" } */
+  foo_up ((union V *) v); /* { dg-error "passing argument" } */
+  foo_ep (__extension__ (enum F *) f); /* { dg-error "passing argument" } */
+}