only define MB_LEN_MAX if the system <limits.h> doesn't.
don't typecast CHAR_MIN to char, this makes it not a PP constant
and gives it the wrong unpromoted type.  Thanks to Sebastian for
pointing this out!


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63980 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed