--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.dg/tree-ssa/pr94598.c	Mon May 25 07:50:57 2020 +0900
@@ -0,0 +1,26 @@
+/* { dg-do compile } */
+/* { dg-options "-O1" } */
+
+struct a {
+  int b;
+  short c;
+};
+int d;
+void e() {
+  struct a f[1];
+  f[d] = f[d];
+}
+
+struct S {
+  int a[30];
+  int c;
+};
+
+int get_int (void);
+
+int foo(struct S p)
+{
+  p.c = get_int ();
+  p.a[get_int()] = get_int()+1;
+  return p.c;
+}