1 files changed, 36 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/alias-access-path-13.c b/gcc/testsuite/gcc.dg/tree-ssa/alias-access-path-13.c
new file mode 100644
index 00000000000..87a94f5bf31
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/alias-access-path-13.c
@@ -0,0 +1,36 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-fre1" } */
+
+struct inn
+{
+  int val;
+};
+
+struct biggerstruct
+{
+  int a, b;
+};
+
+union foo
+{
+  struct inn inn;
+  struct biggerstruct baz;
+} *fooptr;
+
+struct bar
+{
+  union foo foo;
+  int val2;
+} *barptr;
+
+int
+test ()
+{
+  union foo foo;
+  foo.inn.val = 0;
+  barptr->val2 = 123;
+  *fooptr = foo;
+  return barptr->val2;
+}
+
+/* { dg-final { scan-tree-dump-times "return 123" 1 "fre1"} } */