1 files changed, 11 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/empty1.c b/gcc/testsuite/gcc.dg/empty1.c
new file mode 100644
index 000000000..89b2de1e9
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/empty1.c
@@ -0,0 +1,11 @@
+/* { dg-do run } */
+/* { dg-options "" } */
+
+struct S { int : 0; };
+union U { int : 0; };
+
+int main () {
+  if (__alignof__ (struct S) != __alignof__ (union U))
+    return 1;
+  return 0;
+}