1 files changed, 32 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/anon-struct-3.c b/gcc/testsuite/gcc.dg/anon-struct-3.c
new file mode 100644
index 000000000..3ed6e672b
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/anon-struct-3.c
@@ -0,0 +1,32 @@
+/* { dg-options "-std=gnu89 -fms-extensions" } */
+/* Enabling Microsoft mode makes all of the tests equivalent.  Checked vs
+   Microsoft (R) 32-bit C/C++ Optimizing Compiler Version 12.00.8168 for 80x86
+ */
+
+struct A { char a; };
+
+struct B {
+  struct A;
+  char b;
+};
+char testB[sizeof(struct B) == 2 * sizeof(struct A) ? 1 : -1];
+
+struct C {
+  struct D { char d; };
+  char c;
+};
+char testC[sizeof(struct C) == 2 * sizeof(struct A) ? 1 : -1];
+char testD[sizeof(struct D) == sizeof(struct A) ? 1 : -1];
+
+struct E {
+  struct { char z; };
+  char e;
+};
+char testE[sizeof(struct E) == 2 * sizeof(struct A) ? 1 : -1];
+
+typedef struct A typedef_A;
+struct F {
+  typedef_A;
+  char f;
+};
+char testF[sizeof(struct F) == 2 * sizeof(struct A) ? 1 : -1];