Provide fixed target triples to make test results consistent across ARM hosts.

Patch by David Tweed, review by myself and John McCall.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@163564 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGenCXX/cxx0x-initializer-stdinitializerlist.cpp b/test/CodeGenCXX/cxx0x-initializer-stdinitializerlist.cpp
index 81ce559..8d9fce0 100644
--- a/test/CodeGenCXX/cxx0x-initializer-stdinitializerlist.cpp
+++ b/test/CodeGenCXX/cxx0x-initializer-stdinitializerlist.cpp
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 -std=c++11 -S -emit-llvm -o - %s | FileCheck %s
+// RUN: %clang_cc1 -std=c++11 -S -triple x86_64-none-linux-gnu -emit-llvm -o - %s | FileCheck %s
 
 namespace std {
   typedef decltype(sizeof(int)) size_t;