yes, it's a bug, I've opened https://trac.sagemath.org/ticket/23276 to deal with it.
On Monday, June 19, 2017 at 10:32:47 AM UTC+1, Demi Obenour wrote: > > Consider the following Sage code > #!/usr/bin/env sage > > FiniteField(2^128)()^-1 > This crashes Sage with SIGABRT. While there is no answer mathematically, > this should throw an exception, not cause a C-level crash. (Alternatively, > one could return 0 here; this is what the Rijndael S-box does.) > > -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To post to this group, send email to sage-devel@googlegroups.com. Visit this group at https://groups.google.com/group/sage-devel. For more options, visit https://groups.google.com/d/optout.
