Crash in 21.2.33 with buffer tabs - more info

Markus Alt wrote: Here is some more. I hope it will be helpful to someone who is able to debug this (I am not!). The event that triggered this was again clicking on a buffer tab. Modeline showed something like "Invalid function: (nil)" (I don't remember exactly any more, sorry ...). (gdb) run Starting program: /usr/local/bin/xemacs Program received signal SIGSEGV, Segmentation fault. 0x81319d4 in print_internal () (gdb) where #0 0x81319d4 in print_internal () #1 0x813098c in print_error_message () #2 0x8132ccd in Fdisplay_error () #3 0x80aed6c in Ffuncall () #4 0x808b2e9 in execute_optimized_program () #5 0x808afc9 in funcall_compiled_function () #6 0x80aef00 in Ffuncall () #7 0x80b328a in call1 () #8 0x8093326 in cmd_error () #9 0x80b3d92 in condition_case_1 () #10 0x80933df in command_loop_2 () #11 0x80b3cbc in internal_catch () #12 0x8092cce in initial_command_loop () #13 0x80a9327 in xemacs_21_2_b33_i686_pc_linux () #14 0x80ab04f in main () #15 0x40319a5e in __libc_start_main () at ../sysdeps/generic/libc-start.c:93 (gdb) Markus