Adding RUN lines.

llvm-svn: 17528
diff --git a/llvm/test/Regression/Assembler/2002-08-22-DominanceProblem.ll b/llvm/test/Regression/Assembler/2002-08-22-DominanceProblem.ll
index ed8c704..1d0cda5 100644
--- a/llvm/test/Regression/Assembler/2002-08-22-DominanceProblem.ll
+++ b/llvm/test/Regression/Assembler/2002-08-22-DominanceProblem.ll
@@ -1,3 +1,5 @@
+; RUN: llvm-as < %s -o /dev/null -f
+
 ; Dominance relationships is not calculated correctly for unreachable blocks,
 ; which causes the verifier to barf on this input.