Adding RUN lines.

llvm-svn: 17529
diff --git a/llvm/test/Regression/C++Frontend/2003-08-20-ExceptionFail.cpp b/llvm/test/Regression/C++Frontend/2003-08-20-ExceptionFail.cpp
index 606a2f2..fd1c6ad 100644
--- a/llvm/test/Regression/C++Frontend/2003-08-20-ExceptionFail.cpp
+++ b/llvm/test/Regression/C++Frontend/2003-08-20-ExceptionFail.cpp
@@ -1,3 +1,5 @@
+// RUN: %llvmgxx -S %s -o - | llvm-as -f -o /dev/null
+
 void foo();
 
 void bar() {