1 files changed, 21 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/compat/struct-complex-2_main.c b/gcc/testsuite/gcc.dg/compat/struct-complex-2_main.c
new file mode 100644
index 000000000..74eae6242
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/compat/struct-complex-2_main.c
@@ -0,0 +1,21 @@
+/* { dg-options "-O" } */
+
+#ifdef __x86_64__
+/* Test function argument passing.  PR target/39678.  */
+
+extern void struct_complex_2_x (void);
+extern void exit (int);
+
+int
+main ()
+{
+  struct_complex_2_x ();
+  exit (0);
+}
+#else
+int
+main ()
+{
+  return 0;
+}
+#endif