1 files changed, 23 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-17.c b/gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-17.c
new file mode 100644
index 000000000..aced64977
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-17.c
@@ -0,0 +1,23 @@
+/* { dg-do compile } */
+/* { dg-options "-O -fdump-tree-fre-details -fno-tree-sra" } */
+
+struct Bar {
+  int dom;
+};
+struct Foo {
+  struct Bar doms[3];
+};
+
+int foo(int i, int j, int k)
+{
+  struct Foo f;
+
+  f.doms[0].dom = i;
+  f.doms[1].dom = j;
+  f.doms[2].dom = k;
+  return f.doms[0LL].dom;
+}
+
+/* { dg-final { scan-tree-dump "Replaced f.doms\\\[0\\\].dom with i_" "fre" } } */
+/* { dg-final { cleanup-tree-dump "fre" } } */
+