There has been some discussion about this on cffi-devel. It's related to recent GCC changes. SBCL used to be affected. At least some version of Allegro has the issue, according to reports on #lisp (on Dec 8th around 16:00 UTC).
There has been some discussion about this on cffi-devel. It's related to recent GCC changes. SBCL used to be affected. At least some version of Allegro has the issue, according to reports on #lisp (on Dec 8th around 16:00 UTC).