https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95940
--- Comment #7 from Hans-Peter Nilsson <hp at gcc dot gnu.org> --- (In reply to Eric Botcazou from comment #6) > > From the look of it, something is already miscompiled. > > No, not at all, it's just warnings turned into errors. Not obvious, but I see from the comments that people seem to be on the right track. Some target-specific thing under the hood (not obvious to me in the source) in tree-ssanames.c provoking this? FWIW, this problem did not manifest on neither ppc64le, x86_64 nor aarch64, same source. (All *-linux.)