https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83684
Martin Sebor <msebor at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |WAITING Last reconfirmed| |2018-01-05 CC| |msebor at gcc dot gnu.org Ever confirmed|0 |1 --- Comment #1 from Martin Sebor <msebor at gcc dot gnu.org> --- Based on the line number in the stack trace I'd say the ICE was due to an overly restrictive assertion that was removed in r256187. Please try a more recent revision to see if the problem clears up and let us know.