1 files changed, 21 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/ssa-dse-11.c b/gcc/testsuite/gcc.dg/tree-ssa/ssa-dse-11.c
new file mode 100644
index 000000000..6e13e1875
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/ssa-dse-11.c
@@ -0,0 +1,21 @@
+/* { dg-do compile } */
+/* { dg-options "-O -fdump-tree-dse1-details" } */
+
+extern void abort(void);
+void foo(int *p)
+{
+  while (1)
+   {
+      *p = 1;
+      *p = 0;
+   }
+}
+void bar(int *p)
+{
+  *p = 1;
+  *p = 0;
+  abort ();
+}
+
+/* { dg-final { scan-tree-dump-times "Deleted dead store" 2 "dse1" } } */
+/* { dg-final { cleanup-tree-dump "dse1" } } */