1 files changed, 19 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/ssa-dom-dse-1.c b/gcc/testsuite/gcc.dg/tree-ssa/ssa-dom-dse-1.c
new file mode 100644
index 000000000..504e4bc03
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/ssa-dom-dse-1.c
@@ -0,0 +1,19 @@
+/* { dg-do compile } */
+/* { dg-options "-O -fdump-tree-optimized" } */
+
+int x;
+void
+foo (void)
+{
+  if (x == 0)
+    x = 0;
+}
+void
+bar (int i)
+{
+  if (x == i)
+    x = i;
+}
+
+/* { dg-final { scan-tree-dump-not "x =" "optimized" } } */
+/* { dg-final { cleanup-tree-dump "optimized" } } */