1 files changed, 12 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/c99-anon-struct-1.c b/gcc/testsuite/gcc.dg/c99-anon-struct-1.c
new file mode 100644
index 000000000..87d4c3438
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/c99-anon-struct-1.c
@@ -0,0 +1,12 @@
+/* Test for anonymous structures and unions not permitted in C99.  */
+/* { dg-do compile } */
+/* { dg-options "-std=iso9899:1999 -pedantic-errors" } */
+
+struct s
+{
+  int a;
+  struct
+  {
+    int b;
+  }; /* { dg-error "unnamed structs" } */
+};