[flang-commits] [flang] [Flang] Add __powerpc__ macro to set c_intmax_t to c_int64_t rather than c_int128_t as PowerPC only supports up to c_int64_t. (PR #81222)

[Kelvin Li via flang-commits]

kkwli wrote:

Need to add a test like `test/Driver/predefined-macros-x86.f90`.

https://github.com/llvm/llvm-project/pull/81222