https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102147
--- Comment #6 from Vladimir Makarov <vmakarov at gcc dot gnu.org> --- (In reply to David Edelsohn from comment #5) > Vlad privately commented: "I suspect order of processing conflicts might > depend on their representation." > > The two representations may produce different results and the heuristics to > choose the representation depend on the pointer size. Yes. I'll be working on the PR. It is an interesting type of problem. I think GCC output should be the same independently what type of compiler (64-bit or 32-bit one) we use for building GCC.