Breakpoint 2 at 0x1fcacf: file lread.c, line 1215.
Starting program: /home/blc/.local/src/emacs-mwheel-after/src/emacs -Q
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".

Breakpoint 2, Fload (file=XIL(0x7ffff48db8ac), noerror=XIL(0), nomessage=XIL(0x30), nosuffix=XIL(0), 
    must_suffix=XIL(0x30)) at lread.c:1215
1215	  if (! NILP (noerror))
#0  Fload (file=XIL(0x7ffff48db8ac), noerror=XIL(0), nomessage=XIL(0x30), nosuffix=XIL(0), must_suffix=XIL(0x30))
    at lread.c:1215
#1  0x00005555557519d0 in save_match_data_load (file=XIL(0x7ffff48db8ac), noerror=XIL(0), nomessage=XIL(0x30), 
    nosuffix=XIL(0), must_suffix=XIL(0x30)) at lread.c:1569
#2  0x000055555571e44d in Fautoload_do_load (fundef=XIL(0x7ffff4936bb3), funname=XIL(0x2aaa9ed4a090), 
    macro_only=XIL(0)) at eval.c:2188
#3  0x00005555557205c1 in Ffuncall (nargs=2, args=0x7fffffffbab8) at eval.c:2931
#4  0x000055555576a076 in exec_byte_code (bytestr=XIL(0x7ffff49a0a0c), vector=XIL(0x7ffff472590d), 
    maxdepth=make_fixnum(4), args_template=make_fixnum(514), nargs=2, args=0x7fffffffbfa8) at bytecode.c:632
#5  0x0000555555720afe in fetch_and_exec_byte_code (fun=XIL(0x7ffff47258dd), syms_left=make_fixnum(514), nargs=2, 
    args=0x7fffffffbf98) at eval.c:3036
#6  0x0000555555720e8b in funcall_lambda (fun=XIL(0x7ffff47258dd), nargs=2, arg_vector=0x7fffffffbf98) at eval.c:3117
#7  0x00005555557204a3 in Ffuncall (nargs=3, args=0x7fffffffbf90) at eval.c:2916
#8  0x000055555576a076 in exec_byte_code (bytestr=XIL(0x7ffff48b9ca4), vector=XIL(0x7ffff48b9c75), 
    maxdepth=make_fixnum(6), args_template=make_fixnum(257), nargs=1, args=0x7fffffffc480) at bytecode.c:632
#9  0x0000555555720afe in fetch_and_exec_byte_code (fun=XIL(0x7ffff48b9c45), syms_left=make_fixnum(257), nargs=1, 
    args=0x7fffffffc478) at eval.c:3036
#10 0x0000555555720e8b in funcall_lambda (fun=XIL(0x7ffff48b9c45), nargs=1, arg_vector=0x7fffffffc478) at eval.c:3117
#11 0x00005555557204a3 in Ffuncall (nargs=2, args=0x7fffffffc470) at eval.c:2916
#12 0x000055555571fd38 in call1 (fn=XIL(0x2aaa9eccd210), arg1=XIL(0x2aaa9ed4a090)) at eval.c:2774
#13 0x000055555572e466 in mapcar1 (leni=24, vals=0x0, fn=XIL(0x2aaa9eccd210), seq=XIL(0x7ffff474e463)) at fns.c:2794
#14 0x000055555572e88e in Fmapc (function=XIL(0x2aaa9eccd210), sequence=XIL(0x7ffff474e463)) at fns.c:2867
#15 0x0000555555720872 in funcall_subr (subr=0x555555b7c6a0 <Smapc>, numargs=2, args=0x7fffffffc690) at eval.c:2989
#16 0x000055555572045f in Ffuncall (nargs=3, args=0x7fffffffc688) at eval.c:2914
#17 0x000055555576a076 in exec_byte_code (bytestr=XIL(0x7ffff48ba6bc), vector=XIL(0x7ffff48a7c8d), 
    maxdepth=make_fixnum(14), args_template=make_fixnum(0), nargs=0, args=0x7fffffffd148) at bytecode.c:632
#18 0x0000555555720afe in fetch_and_exec_byte_code (fun=XIL(0x7ffff48a7c5d), syms_left=make_fixnum(0), nargs=0, 
    args=0x7fffffffd148) at eval.c:3036
#19 0x0000555555720e8b in funcall_lambda (fun=XIL(0x7ffff48a7c5d), nargs=0, arg_vector=0x7fffffffd148) at eval.c:3117
#20 0x00005555557204a3 in Ffuncall (nargs=1, args=0x7fffffffd140) at eval.c:2916
#21 0x000055555576a076 in exec_byte_code (bytestr=XIL(0x7ffff48bc624), vector=XIL(0x7ffff48a7245), 
    maxdepth=make_fixnum(9), args_template=make_fixnum(0), nargs=0, args=0x7fffffffd780) at bytecode.c:632
#22 0x0000555555720afe in fetch_and_exec_byte_code (fun=XIL(0x7ffff48a7215), syms_left=make_fixnum(0), nargs=0, 
    args=0x7fffffffd780) at eval.c:3036
#23 0x0000555555720e8b in funcall_lambda (fun=XIL(0x7ffff48a7215), nargs=0, arg_vector=0x7fffffffd780) at eval.c:3117
#24 0x0000555555720ca8 in apply_lambda (fun=XIL(0x7ffff48a7215), args=XIL(0), count=4) at eval.c:3061
#25 0x000055555571f0d3 in eval_sub (form=XIL(0x7ffff4c66f73)) at eval.c:2436
#26 0x000055555571e5d0 in Feval (form=XIL(0x7ffff4c66f73), lexical=XIL(0)) at eval.c:2220
#27 0x000055555566915e in top_level_2 () at keyboard.c:1103
#28 0x000055555571cba6 in internal_condition_case (bfun=0x55555566913b <top_level_2>, handlers=XIL(0x90), 
    hfun=0x555555668bf5 <cmd_error>) at eval.c:1439
#29 0x00005555556691a6 in top_level_1 (ignore=XIL(0)) at keyboard.c:1111
#30 0x000055555571c3b4 in internal_catch (tag=XIL(0xc3c0), func=0x555555669160 <top_level_1>, arg=XIL(0))
    at eval.c:1189
#31 0x0000555555669089 in command_loop () at keyboard.c:1072
#32 0x00005555556687c6 in recursive_edit_1 () at keyboard.c:720
#33 0x0000555555668949 in Frecursive_edit () at keyboard.c:789
#34 0x0000555555665473 in main (argc=2, argv=0x7fffffffdd08) at emacs.c:2050

Lisp Backtrace:
"mouse-wheel-mode" (0xffffbac0)
"custom-set-minor-mode" (0xffffbf98)
"custom-reevaluate-setting" (0xffffc478)
"mapc" (0xffffc690)
"command-line" (0xffffd148)
"normal-top-level" (0xffffd780)
quit