Move code to redefine INT64_{MIN,MAX} on AIX/PowerPC to a separate header,
because #undef becomes commented out in DataTypes.h.in due to autoheader


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17135 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed