https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79891
--- Comment #8 from Martin Liška <marxin at gcc dot gnu.org> --- (In reply to rguent...@suse.de from comment #7) > On Fri, 10 Mar 2017, marxin at gcc dot gnu.org wrote: > > > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79891 > > > > --- Comment #6 from Martin Liška <marxin at gcc dot gnu.org> --- > > Yes, the merged is the issue, but looks it's created at the very beginning: > > No, the merged block isn't the issue, the issue is in coverage computation > (or where it associates the bogus source line to the BB). I see, that should be fixable, the merger should not belong to any line in source file. I'll fix that.