[Bug libgomp/64972] [5 Regression] Build failure in libgomp for i686-w64-mingw32 target after latest merge from gomp-4_0-branch

[mikpelinux at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64972

--- Comment #9 from Mikael Pettersson <mikpelinux at gmail dot com> ---
Please note that sizeof(long) == 4 while sizeof(size_t) == sizeof(void*) == 8
on x86_64-w64-mingw32, so your patch changes the behaviour of the code. 
Perhaps the change is benign, but I'd use uintptr_t and PRIxPTR.