Adding RUN lines.

llvm-svn: 17529
diff --git a/llvm/test/Regression/C++Frontend/2004-03-08-ReinterpretCastCopy.cpp b/llvm/test/Regression/C++Frontend/2004-03-08-ReinterpretCastCopy.cpp
index 3876527..755d7c7 100644
--- a/llvm/test/Regression/C++Frontend/2004-03-08-ReinterpretCastCopy.cpp
+++ b/llvm/test/Regression/C++Frontend/2004-03-08-ReinterpretCastCopy.cpp
@@ -1,3 +1,5 @@
+// RUN: %llvmgxx -S %s -o - | llvm-as -f -o /dev/null
+
 struct A {
   virtual void Method() = 0;
 };