(gdb) c
Continuing.

Program received signal SIGSEGV, Segmentation fault.
0x0000000000544498 in event_to_kboard (event=0xbda9a0 <kbd_buffer+126272>)
    at keyboard.c:3421
warning: Source file is more recent than executable.
3421	  if (WINDOWP (obj))
(gdb) bt full
#0  0x0000000000544498 in event_to_kboard (event=0xbda9a0 <kbd_buffer+126272>)
    at keyboard.c:3421
        obj = 8627717
#1  0x0000000000544fb1 in kbd_buffer_get_event (kbp=0x7ffffee30ce0, 
    used_mouse_menu=0x7ffffee31297, end_time=0x0) at keyboard.c:3823
        event = 0xbda9a0 <kbd_buffer+126272>
        obj = 0
#2  0x0000000000542b81 in read_char (commandflag=1, nmaps=8, 
    maps=0x7ffffee31080, prev_event=12766914, used_mouse_menu=0x7ffffee31297, 
    end_time=0x0) at keyboard.c:2768
        kb = 0x100000004d62595
        c = 12766914
        jmpcount = 2
        local_getcjmp = {{
            __jmpbuf = {0, 8569071642456854240, 4290928, 140737469684688, 0, 
              0, 8569071643392184032, -8569074466754294048}, 
            __mask_was_saved = 0, 
            __saved_mask = {
              __val = {164568, 140737469681728, 6062330, 73344011, 9323869, 
                12766914, 4290928, 140737469681376, 6119764, 1, 12766914, 
                12807019, 114847494, 0, 12766866, 12766914}
            }
          }}
---Type <return> to continue, or q <return> to quit---
        save_jump = {{
            __jmpbuf = {0, 0, 0, 0, 0, 0, 0, 0}, 
            __mask_was_saved = 0, 
            __saved_mask = {
              __val = {0 <repeats 16 times>}
            }
          }}
        tem = 81143184
        save = 12769840
        previous_echo_area_message = 12766914
        also_record = 12766914
        reread = false
        gcpro1 = {
          next = 0x4d62590, 
          var = 0x6ab2848, 
          nvars = 111880264
        }
        gcpro2 = {
          next = 0x7ffffee30d20, 
          var = 0x63eba3 <find_interval+117>, 
          nvars = 111880264
        }
        polling_stopped_here = true
---Type <return> to continue, or q <return> to quit---
        orig_kboard = 0x3560410
#3  0x000000000054f630 in read_key_sequence (keybuf=0x7ffffee31510, 
    bufsize=30, prompt=12766914, dont_downcase_last=false, 
    can_return_switch_frame=true, fix_current_buffer=true) at keyboard.c:9223
        interrupted_kboard = 0x3560410
        interrupted_frame = 0x1234170
        key = 40
        used_mouse_menu = false
        echo_local_start = 0
        last_real_key_start = 0
        keys_local_start = 0
        local_first_binding = 0
        from_string = 12766914
        count = 2
        t = 0
        echo_start = 0
        keys_start = 0
        nmaps = 8
        nmaps_allocated = 8
        defs = 0x7ffffee31030
        submaps = 0x7ffffee31080
        orig_local_map = 87263254
        orig_keymap = 12766914
---Type <return> to continue, or q <return> to quit---
        localized_local_map = 0
        first_binding = 0
        first_unbound = 31
        mock_input = 0
        fkey = {
          parent = 19820790, 
          map = 19820790, 
          start = 0, 
          end = 0
        }
        keytran = {
          parent = 12746166, 
          map = 12746166, 
          start = 0, 
          end = 0
        }
        indec = {
          parent = 19820774, 
          map = 19820774, 
          start = 0, 
          end = 0
        }
        shift_translated = false
---Type <return> to continue, or q <return> to quit---
        delayed_switch_frame = 12766914
        original_uppercase = 81143184
        original_uppercase_position = -1
        dummyflag = false
        starting_buffer = 0x4d62590
        fake_prefixed_keys = 12766914
        gcpro1 = {
          next = 0x7ffffee312c0, 
          var = 0x4d62595, 
          nvars = 12953202
        }
#4  0x0000000000540108 in command_loop_1 () at keyboard.c:1458
        cmd = 12807106
        keybuf = {428, 244, 388, 140737469683232, 12766962, 114799014, 
          3929895075855, 55175360, 54900128, 744, 140737469683072, 9345238, 
          12818658, 19087728, 140737469683120, 5167821, 12600816, 6973741, 
          140737469682672, 12766914, 12766914, 9345249, 140737469683200, 
          5503309, 140737469683232, 114799014, 12766914, 19087728, 
          140737469683200, 0}
        i = 1
        prev_modiff = 41158
        prev_buffer = 0x4d62590
        already_adjusted = false
---Type <return> to continue, or q <return> to quit---
#5  0x00000000005d7aef in internal_condition_case (
    bfun=0x53fd21 <command_loop_1>, handlers=12818562, 
    hfun=0x53f622 <cmd_error>) at eval.c:1288
        val = 1
        c = {
          tag = 12766914, 
          val = 12766914, 
          next = 0x7ffffee31850, 
          gcpro = 0x0, 
          jmp = {{
              __jmpbuf = {0, 8569071642469437152, 4290928, 140737469684688, 0, 
                0, 8569071642509283040, -8569074387562295584}, 
              __mask_was_saved = 0, 
              __saved_mask = {
                __val = {9877669686147256032, 0, 140010314009472, 4294967295, 
                  0, 9290408, 0, 0, 0, 0, 140010410170884, 1, 0, 1, 
                  140010310150768, 0}
              }
            }}, 
          backlist = 0x0, 
          handlerlist = 0x0, 
          lisp_eval_depth = 0, 
          pdlcount = 2, 
---Type <return> to continue, or q <return> to quit---
          poll_suppress_count = 1, 
          interrupt_input_blocked = 0, 
          byte_stack = 0x0
        }
        h = {
          handler = 12818562, 
          var = 12766914, 
          chosen_clause = 12766962, 
          tag = 0x7ffffee316d0, 
          next = 0x0
        }
#6  0x000000000053fa3a in command_loop_2 (ignore=12766914) at keyboard.c:1167
        val = 0
#7  0x00000000005d74c3 in internal_catch (tag=12814402, 
    func=0x53fa14 <command_loop_2>, arg=12766914) at eval.c:1059
        c = {
          tag = 12814402, 
          val = 12766914, 
          next = 0x0, 
          gcpro = 0x0, 
          jmp = {{
              __jmpbuf = {0, 8569071642687540960, 4290928, 140737469684688, 0, 
                0, 8569071642729484000, -8569074387637268768}, 
---Type <return> to continue, or q <return> to quit---
              __mask_was_saved = 0, 
              __saved_mask = {
                __val = {0, 0, 144, 0, 0, 140737469684048, 6028825, 
                  4294967296, 12766914, 12766914, 12988610, 140737469684144, 
                  0, 12218656, 12793680, 352}
              }
            }}, 
          backlist = 0x0, 
          handlerlist = 0x0, 
          lisp_eval_depth = 0, 
          pdlcount = 2, 
          poll_suppress_count = 1, 
          interrupt_input_blocked = 0, 
          byte_stack = 0x0
        }
#8  0x000000000053f9ec in command_loop () at keyboard.c:1146
No locals.
#9  0x000000000053f16f in recursive_edit_1 () at keyboard.c:778
        count = 1
        val = 12766914
#10 0x000000000053f315 in Frecursive_edit () at keyboard.c:842
        count = 0
        buffer = 12766914
---Type <return> to continue, or q <return> to quit---
#11 0x000000000053d258 in main (argc=1, argv=0x7ffffee31bd8) at emacs.c:1564
        dummy = 4247287
        stack_bottom_variable = 0 '\000'
        do_initial_setlocale = true
        dumping = false
        skip_args = 0
        rlim = {
          rlim_cur = 8720000, 
          rlim_max = 18446744073709551615
        }
        no_loadup = false
        junk = 0x0
        dname_arg = 0x0
        ch_to_dir = 0x13c7f10 "\360%9\001"
(gdb) 
(gdb) xbacktrace 
(gdb) 
(gdb)