https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69919
--- Comment #4 from rguenther at suse dot de <rguenther at suse dot de> --- On Wed, 24 Feb 2016, marxin at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69919 > > --- Comment #3 from Martin Liška <marxin at gcc dot gnu.org> --- > Created attachment 37782 > --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37782&action=edit > Suggested patch > > Well, the situation is not so easy. Ideally, I would set m_reverse_map = NULL > in > mem_alloc_description<T>::~mem_alloc_description () and guard > release_object_overhead and release_instance_overhead with probes if m_* != > NULL. > > But as the assignment in the dtor is optimized out by DSE, because it's > undefined to check member of a destroyed instance. > > Thus I suggest a small work-around that can survive lto.exp and LTO bootstrap > goes to stage3 (still running). > > What do you think about it? I guess it'll work.
