https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69725
Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed|2016-02-09 00:00:00 |2016-02-11 Ever confirmed|0 |1 --- Comment #12 from Richard Biener <rguenth at gcc dot gnu.org> --- Confirmed. I suspect it's coverage mismatch errors causing the issue.