[OpenMP] fix segfault when a variable referenced in reduction clause is a reference parameter\nDifferential Revision: http://reviews.llvm.org/D24524

llvm-svn: 283223
diff --git a/clang/test/OpenMP/for_reduction_messages.cpp b/clang/test/OpenMP/for_reduction_messages.cpp
index 45a4681..bb70ecc 100644
--- a/clang/test/OpenMP/for_reduction_messages.cpp
+++ b/clang/test/OpenMP/for_reduction_messages.cpp
@@ -9,6 +9,13 @@
   return argc;
 }
 
+void foobar(int &ref) {
+#pragma omp parallel
+#pragma omp for reduction(+:ref)
+  for (int i = 0; i < 10; ++i)
+    foo();
+}
+
 struct S1; // expected-note {{declared here}} expected-note 4 {{forward declaration of 'S1'}}
 extern S1 a;
 class S2 {