https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98315
--- Comment #2 from ro at CeBiTec dot Uni-Bielefeld.DE <ro at CeBiTec dot Uni-Bielefeld.DE> --- > --- Comment #1 from Nathan Sidwell <nathan at gcc dot gnu.org> --- > I think this is fixed by > 6ff747f023c 2020-12-16 | c++: Fix (some) solaris breakage > > please let me know Unfortunately not: there are still two instances of the problem: In file included from /usr/include/sys/socket.h:25, from /vol/gcc/src/hg/master/local/gcc/../libcody/cody.hh:29, from /vol/gcc/src/hg/master/local/gcc/cp/../../c++tools/resolver.h:25, from /vol/gcc/src/hg/master/local/gcc/cp/../../c++tools/resolver.cc:23, from /vol/gcc/src/hg/master/local/gcc/cp/mapper-resolver.cc:27: /usr/include/sys/uio.h:192:3: error: attempt to use poisoned "bzero" bzero(&(xuiop)->xu_hint, sizeof ((xuiop)->xu_hint)); \ ^ In file included from /usr/include/sys/socket.h:25, from /vol/gcc/src/hg/master/local/gcc/../libcody/cody.hh:29, from /vol/gcc/src/hg/master/local/gcc/cp/mapper-client.h:26, from /vol/gcc/src/hg/master/local/gcc/cp/module.cc:232: /usr/include/sys/uio.h:192:3: error: attempt to use poisoned "bzero" bzero(&(xuiop)->xu_hint, sizeof ((xuiop)->xu_hint)); \ ^