[Bug libstdc++/104605] _GLIBCXX_USE_C99_STDINT_TR1 macro is not defined for canadian cross freestanding C++ toolchain

[unlvsur at live dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104605

--- Comment #8 from cqwrteur <unlvsur at live dot com> ---
(In reply to Jonathan Wakely from comment #7)
> Created attachment 53657 [details]
> Use predefined macros to define freestanding <cstdint>
> 
> I have this patch locally, but I don't think the <stdint.h> changes are
> actually necessary. Using -ffreestanding should ensure they are present
> already.

stdint.h is a freestanding C header but not a freestanding C++ header if i
remembered correctly.