I've got the same problem. I have a simpler recipe to reproduce, not
involving gnus:
touch /tmp/somefile
emacs21 -nw -q /tmp/somefile
x C-x k RET
Basically, any attempt to kill a modified buffer crashes emacs.
I looked at the code, and it looks like format1() is making some non-
portable assumptions about the way the stack is laid out by the compiler
(editfns.c, around line 3547, with ifdef'd code removed):
Lisp_Object
format1 (string1)
char *string1;
{
char buf[100];
doprnt (buf, sizeof buf, string1, (char *)0, 5, &string1 + 1);
return build_string (buf);
}
My suspicion is that this has changed recently, and emacs is crashing as
a result.
Doing arithmetic on the address of a stack argument is just bad juju.
--
emacs21-x crashed with SIGSEGV when killing mail compose window in gnus
(intrepid regression)
https://bugs.launchpad.net/bugs/290479
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