http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50199
--- Comment #9 from rguenther at suse dot de <rguenther at suse dot de> 2012-01-04 13:02:26 UTC --- On Wed, 4 Jan 2012, hubicka at gcc dot gnu.org wrote: > http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50199 > > --- Comment #8 from Jan Hubicka <hubicka at gcc dot gnu.org> 2012-01-04 > 12:57:28 UTC --- > I agree that ignoring the bug or adding sorry refusing -fno-merge-constants > -flto is probably only way to deal with it in 4.7. > > If we go the way translating into initialized vars, we probably could > translate > string constants as easilly as const_decls, so perhaps there is no frontend > change needed at all. > > In general it would be very useful to have pass tagging ADDR_EXPRs on whether > the address of object taken needs to be unique or can change freely. This > would > be useful at several places in IPA and also we could then only promote some of > the const decls. Well, whether or not is the Frontends burden to decide. And if not, it has to use an ADDR_EXPR of a CONST_DECL. Richard.
