Adding RUN lines.

llvm-svn: 17527
diff --git a/llvm/test/Regression/CodeGen/CBackend/2002-10-16-External.ll b/llvm/test/Regression/CodeGen/CBackend/2002-10-16-External.ll
index 3ad9089..edfc397 100644
--- a/llvm/test/Regression/CodeGen/CBackend/2002-10-16-External.ll
+++ b/llvm/test/Regression/CodeGen/CBackend/2002-10-16-External.ll
@@ -1,2 +1,4 @@
+; RUN: llvm-as < %s | llc -march=c
+
 %bob = external global int              ; <int*> [#uses=2]