Add target triple.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@122980 91177308-0d34-0410-b5e6-96231b3b80d8

test/CodeGenCXX/debug-info-large-constant.cpp

@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 -g %s -o /dev/null
+// RUN: %clang_cc1 -g -triple=x86_64-apple-darwin %s -o /dev/null
 // PR 8913
 
 typedef __uint128_t word128;