1 files changed, 34 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/c11-anon-struct-3.c b/gcc/testsuite/gcc.dg/c11-anon-struct-3.c
new file mode 100644
index 00000000000..05cc3660cb8
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/c11-anon-struct-3.c
@@ -0,0 +1,34 @@
+/* Test for anonymous structures and unions in C11.  Test for invalid
+   cases: typedefs disallowed by N1549.  */
+/* { dg-do compile } */
+/* { dg-options "-std=c11 -pedantic-errors" } */
+
+typedef struct
+{
+  int i;
+} s0;
+
+typedef union
+{
+  int i;
+} u0;
+
+struct s1
+{
+  int a;
+  u0; /* { dg-error "declaration does not declare anything" } */
+  struct
+  {
+    int b;
+  };
+};
+
+union u1
+{
+  int b;
+  s0; /* { dg-error "declaration does not declare anything" } */
+  union
+  {
+    int c;
+  };
+};