clang/test/Tooling/clang-check.cpp: Mark it as XFAIL mingw,msvc for now.

It seems JSON parser doesn't like path separator '\' on Win32 hosts.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154017 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed