Thread 1 received signal SIGTRAP, Trace/breakpoint trap.
0x0000000004b6674a in RARRAY_AREF (ary=567066040, i=-1) at internal/array.h:147
147         val = RARRAY_CONST_PTR(ary)[i];
(gdb) call rb_backtrace()
        from <internal:/home/nitrogen/.rvm/rubies/ruby-3.4.2/lib/ruby/3.4.0/rubygems/core_ext/kernel_require.rb>:136:in 'require'
        from <internal:/home/nitrogen/.rvm/rubies/ruby-3.4.2/lib/ruby/3.4.0/rubygems/core_ext/kernel_require.rb>:136:in 'require'
        from /home/nitrogen/devel/reproduce-simplecov-ruby34-bug/spec/simplecov_helper.rb:19:in '<top (required)>'
        from <internal:/home/nitrogen/.rvm/rubies/ruby-3.4.2/lib/ruby/3.4.0/rubygems/core_ext/kernel_require.rb>:136:in 'require'
        from <internal:/home/nitrogen/.rvm/rubies/ruby-3.4.2/lib/ruby/3.4.0/rubygems/core_ext/kernel_require.rb>:136:in 'require'
        from /home/nitrogen/devel/reproduce-simplecov-ruby34-bug/bin/midi_roll.rb:0:in '<top (required)>'