1 files changed, 13 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/pointer-reference-alias.C b/gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/pointer-reference-alias.C
new file mode 100644
index 000000000..777656d59
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/g++.dg/tree-ssa/pointer-reference-alias.C
@@ -0,0 +1,13 @@
+/* { dg-do compile } */
+/* { dg-options "-O1 -fdump-tree-optimized" } */
+
+int f(int *a)
+{
+  int &b = *a;
+  b = 0;
+  return *a;
+}
+
+/* There should be only one dereferencing of a. */
+/* { dg-final { scan-tree-dump-times "\\*a" 1 "optimized" } } */
+/* { dg-final { cleanup-tree-dump "optimized" } } */