1 files changed, 21 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/ssa-dom-cse-7.c b/gcc/testsuite/gcc.dg/tree-ssa/ssa-dom-cse-7.c
new file mode 100644
index 00000000000..151e5d4e343
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/ssa-dom-cse-7.c
@@ -0,0 +1,21 @@
+/* Test normalization of MEM_REF expressions in dom.  */
+/* { dg-do compile } */
+/* { dg-options "-O3 -fno-tree-fre -fno-tree-pre -fdump-tree-optimized" } */
+
+typedef struct {
+  int a[8];
+} foo;
+
+foo f;
+
+int
+test ()
+{
+  foo g;
+  g.a[0] = 1; g.a[1] = 2; g.a[2] = 3; g.a[3] = 4;
+  g.a[4] = 5; g.a[5] = 6; g.a[6] = 7; g.a[7] = 8;
+  f=g;
+  return f.a[2];
+}
+
+/* { dg-final { scan-tree-dump-times "return 3;" 1 "optimized" } } */