Adding RUN lines.

llvm-svn: 17532
diff --git a/llvm/test/Regression/CFrontend/2003-11-01-EmptyStructCrash.c b/llvm/test/Regression/CFrontend/2003-11-01-EmptyStructCrash.c
index d65b328..fb6993b 100644
--- a/llvm/test/Regression/CFrontend/2003-11-01-EmptyStructCrash.c
+++ b/llvm/test/Regression/CFrontend/2003-11-01-EmptyStructCrash.c
@@ -1,3 +1,5 @@
+// RUN: %llvmgcc -S %s -o - | llvm-as -f -o /dev/null
+
 typedef struct { } the_coolest_struct_in_the_world;
 extern the_coolest_struct_in_the_world xyzzy;
 void *foo() { return &xyzzy; }