https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68860
--- Comment #6 from rguenther at suse dot de <rguenther at suse dot de> --- On Mon, 21 Dec 2015, jakub at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68860 > > --- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> --- > Created attachment 37097 > --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37097&action=edit > gcc6-pr68860-lto.patch > > I've noticed that the new tests still fail with LTO. > It seems the reason is that LTO ignores DECL_HAS_DEBUG_ARGS_P etc., so this > stuff is just lost. > I've added some changes so that this is streamed, but it seems that is not > enough, DECL_ORIGIN of the decls is wrong, so it isn't used anyway. > BTW, Honza, why is: > if (code == VAR_DECL > && DECL_HAS_DEBUG_EXPR_P (t)) > visit (DECL_DEBUG_EXPR (t)); > used in hash_tree? Depends on what the function is used for, if it is for > code > generation or something like that, better it should not depend on the debug > info stuff... It's needed to properly identify SCCs to stream - it should not result in code-gen differences.
