https://gcc.gnu.org/bugzilla/show_bug.cgi?id=50871
--- Comment #18 from Jason Merrill <jason at gcc dot gnu.org> --- (In reply to Jonathan Wakely from comment #16) > (In reply to Jason Merrill from comment #15) > > > /home/jwakely/build/powerpc64le-unknown-linux-gnu/libstdc++-v3/include/ > > > complex:1951: warning: floating point suffix 'if' shadowed by > > > implementation > > > > This seems like a real issue. Perhaps for C++14 and up we should disable > > the built-in complex suffixes. > > See PR 79228 Fixed.