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-rw-r--r--gcc/testsuite/gcc.dg/tree-ssa/pr22321.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/pr22321.c b/gcc/testsuite/gcc.dg/tree-ssa/pr22321.c
new file mode 100644
index 000000000..64a94ab2d
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/pr22321.c
@@ -0,0 +1,20 @@
+/* { dg-do compile } */
+/* { dg-options "-O1 -fno-tree-vrp -fno-tree-copy-prop -fno-tree-ccp -fdump-tree-optimized" } */
+
+
+volatile int x;
+
+int main ()
+{
+ volatile int *vip;
+ vip = &x;
+ volatile int *cvip;
+ cvip = vip;
+
+ if (vip != cvip) return -1;
+ return 0;
+}
+
+/* { dg-final { scan-tree-dump-times "return 0" 1 "optimized" } } */
+/* { dg-final { cleanup-tree-dump "optimized" } } */
+