Tassilo Horn <thorn@fastmail.fm> writes:

> Over the last days (I update my emacs copy daily), I had a few emacs
> crashes.  I think, it always crashed when I hit M-DEL (or at least
> DEL), but not every such keystroke crashes emacs.

The crash occured again.  This time, I think it was during "normal"
typing, i.e., no DEL.  The (almost identical) backtrace is attached.