231.2-b28 abort under AIX 4.3.3

This ring any bells to anybody? CVS code from last few days, was just typing away and it blew up. Fortunately, I was already in dbx waiting for it to replicate a *different* crash. Not sure I can reproduce this one. I've got the output of (while functions_left "up;dump" ;) if anybody wants it. Not appended because of length. /Valdis Intrinsic._XtWindowedAncestor(??) at 0xd0d779f8 Geometry.XtConfigureWidget(??, ??, ??, ??, ??, ??) at 0xd0d82530 glyphs-x.x_map_subwindow(0x205afa80, 0x4, 0x4, 0x2ff21978), line 2152 in "glyphs-x.c" unnamed block glyphs.map_subwindow.$b2051, line 4308 in "glyphs.c" glyphs.map_subwindow(0x205afa80, 0x4, 0x4, 0x2ff21978), line 4308 in "glyphs.c" redisplay-output.redisplay_output_subwindow(0x205ffa00, 0x205afa80, 0x2ff21a10, 0x2ff21a20, 0x11, 0x0, 0x0, 0x0), line 1200 in "redisplay-output.c" unnamed block redisplay-x.x_output_display_block.$b3662, line 482 in "redisplay-x.c" redisplay-x.x_output_display_block(0x205ffa00, 0x205e3c00, 0x0, 0x0, 0x1, 0x4, 0x0, 0x0), line 482 in "redisplay-x.c" redisplay-output.redisplay_output_display_block(0x205ffa00, 0x205e3c00, 0x0, 0x0, 0x1, 0x4, 0x0, 0x0), line 1088 in "redisplay-output.c" redisplay-output.compare_display_blocks(0x205ffa00, 0x205e3400, 0x205e3c00, 0x0, 0x0, 0x4, 0x0, 0x0), line 471 in "redisplay-output.c" unnamed block redisplay-output.output_display_line.$b3036.$b3040, line 721 in "redisplay-output.c" unnamed block redisplay-output.output_display_line.$b3036, line 721 in "redisplay-output.c" redisplay-output.output_display_line(0x205ffa00, 0x205da360, 0x205da6a0, 0x0, 0xffffffff, 0xffffffff), line 721 in "redisplay-output.c" gutter.output_gutter(0x205ffe00, 0x0), line 257 in "gutter.c" unnamed block gutter.update_frame_gutters.$b2348, line 361 in "gutter.c" gutter.update_frame_gutters(0x205ffe00), line 361 in "gutter.c" redisplay.redisplay_frame(0x205ffe00, 0x0), line 6362 in "redisplay.c" redisplay.redisplay_device(0x20372f00, 0x1), line 6475 in "redisplay.c" unnamed block redisplay.redisplay_without_hooks.$b2783, line 6564 in "redisplay.c" redisplay.redisplay_without_hooks(), line 6564 in "redisplay.c" redisplay.redisplay(), line 6621 in "redisplay.c" event-stream.Fnext_event(0x20564744, 0x20078804), line 2238 in "event-stream.c" cmdloop.Fcommand_loop_1(), line 566 in "cmdloop.c" cmdloop.command_loop_1(0x20078804), line 490 in "cmdloop.c" eval.condition_case_1(0x20078864, 0x20028c80, 0x20078804, 0x20028c8c, 0x20078804), line 1629 in "eval.c" cmdloop.command_loop_3(), line 252 in "cmdloop.c" cmdloop.command_loop_2(0x20078804), line 263 in "cmdloop.c" eval.internal_catch(0x2008afe4, 0x20028c74, 0x20078804, 0x0), line 1304 in "eval.c" cmdloop.initial_command_loop(0x20078804), line 301 in "cmdloop.c" emacs.xemacs_21_2_b28_powerpc_ibm_aix4_3_3_0(argc = 8261, argv = 0x000053e8, envp = (nil), restart = 2), line 1894 in "emacs.c" emacs.main(argc = 1, argv = 0x2ff225c0, envp = 0x2ff225c8), line 2320 in "emacs.c"