https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62306
--- Comment #10 from Rafael Avila de Espindola <rafael.espindola at gmail dot com> --- (In reply to Jakub Jelinek from comment #9) > (In reply to Jason Merrill from comment #8) > > I think I'm sympathetic to Rafael's argument that we should stick with the > > 4.7 behavior since that's what most deployed GCCs currently do. > > 4.5+4.6+4.9 is more released compilers than 4.7/4.8 though, and 4.9 is > already widely deployed too, IMHO it is worse to change this again > mid-release. Another option to start using a D6 COMDAT that is defined to always contain D1 and D2 and never contain D0. This would mean a small bloat when mixing some .o files compiled with 5 and some with previous releases, but would also mean better codegen and a clean state for 5 and newer.
