Base isPodLike on is_trivially_copyable for GCC 5 and MSVC

It would be nice to get rid of the version checks here, but that will
have to wait until libstdc++ is upgraded to 5.0 everywhere ...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230021 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed