https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63576
--- Comment #7 from Jan Hubicka <hubicka at gcc dot gnu.org> --- Created attachment 34490 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=34490&action=edit Proposed fix I am going to try build firefox with PDO myself with the attached patch. It is bit tricky to merge the speculation right becuase both variant may disagree on speculative target.
