clang/test/CodeGenCXX/debug-info-access.cpp: Use %itanium_abi_triple to appease msvc. "[def] [free]" can be seen in different order.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@216829 91177308-0d34-0410-b5e6-96231b3b80d8