Ben Wing <ben(a)666.com> writes:
 This looks to be a fix for all crashes involving
 condition_case_unwind(), and the finger gets pointed at Martin, who was
 the one rearranging this code in an attempt to squeeze out microseconds.
 
 Index: eval.c
 ===================================================================
 RCS file: /usr/CVSroot/XEmacs/xemacs/src/eval.c,v
 retrieving revision 1.27.2.21
 diff -u -r1.27.2.21 eval.c
 --- eval.c 2000/03/13 07:27:53 1.27.2.21
 +++ eval.c 2000/03/16 12:34:21
 @@ -4641,13 +4660,13 @@
  {
    int quitf;
 
 +  ++specpdl_ptr;
 +  ++specpdl_depth_counter;
 +
    check_quit (); /* make Vquit_flag accurate */
    quitf = !NILP (Vquit_flag);
    Vquit_flag = Qnil;
 
 -  ++specpdl_ptr;
 -  ++specpdl_depth_counter;
 -
    while (specpdl_depth_counter != count)
      {
        --specpdl_ptr;
  
What's the status of this patch? While there still might be other bugs
lurking in the specpdl code, this is cetainly a Good Thing to apply.
Ben, I can make a ChangeLog entry, add a comment and apply this if you
like.
  Gunnar