fix PR5917, L'x' was getting the wrong type in c++ mode. Per
C++2.13.2p2: "A wide-character literal has type wchar_t"


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@92313 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed