https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84751
--- Comment #5 from Will Schmidt <willschm at gcc dot gnu.org> --- (In reply to Jakub Jelinek from comment #4) > (In reply to Will Schmidt from comment #3) > > $ /home/willschm/gcc/trunk.svn/configure --with-cpu=power7 > > --with-long-double-128 --prefix=/home/willschm/gcc/install/gnc > > --disable-bootstrap --enable-languages=c,c++,lto --no-create --no-recursion > > If it is --disable-bootstrap, then it matters what exact your system gcc is, > perhaps it miscompiles something? Ok. Yeah, this is a somewhat vintage distro compiler here. gcc version 4.3.4 [gcc-4_3-branch revision 152973] (SUSE Linux) Let me see if I can try with a newer version.