add targe triple commandline option to fix test failure on Linux.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59412 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGenObjC/protocols-lazy.m b/test/CodeGenObjC/protocols-lazy.m
index f4e0bf7..f92d9c4 100644
--- a/test/CodeGenObjC/protocols-lazy.m
+++ b/test/CodeGenObjC/protocols-lazy.m
@@ -1,4 +1,4 @@
-// RUN: clang -emit-llvm -o %t %s &&
+// RUN: clang -emit-llvm -triple=i686-apple-darwin8 -o %t %s &&
 // RUNX: llvm-gcc -S -emit-llvm -o %t %s &&
 
 // No object generated