1 files changed, 33 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-105.c b/gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-105.c
new file mode 100644
index 0000000..61b93c0
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-105.c
@@ -0,0 +1,33 @@
+/* { dg-do compile } */
+/* { dg-options "-O -fno-tree-sra -fdump-tree-fre1-details" } */
+
+struct s1
+{
+  int t, t1;
+};
+
+struct s3
+{
+  struct s1 t;
+};
+
+struct s2
+{
+  struct s3 t;
+};
+
+void f(int, int);
+void l();
+void g(int a, int b, int *p)
+{
+  struct s2 c;
+  {
+    struct s1 tmp = {a,b};
+    struct s3 *t = &c.t;
+    t->t = tmp;
+  }
+  f(c.t.t.t, c.t.t.t1);
+}
+
+/* { dg-final { scan-tree-dump "Replaced c.t.t.t1 with b" "fre1" } } */
+/* { dg-final { scan-tree-dump "Replaced c.t.t.t with a" "fre1" } } */