Adding RUN lines.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17532 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CFrontend/2004-08-06-LargeStructTest.c b/test/CFrontend/2004-08-06-LargeStructTest.c
index a0b1b09..b0413b4 100644
--- a/test/CFrontend/2004-08-06-LargeStructTest.c
+++ b/test/CFrontend/2004-08-06-LargeStructTest.c
@@ -1,3 +1,5 @@
+// RUN: %llvmgcc -S %s -o - | llvm-as -f -o /dev/null
+
 
 #define A(X) int X;
 #define B(X) A(X##0) A(X##1) A(X##2) A(X##3) A(X##4) A(X##5) A(X##6) A(X##7) \