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Groups > comp.lang.c++ > #86749

Re: attempt to dereference a singular iterator

From Muttley@dastardlyhq.com
Newsgroups comp.lang.c++
Subject Re: attempt to dereference a singular iterator
Date 2022-10-01 09:01 +0000
Organization Aioe.org NNTP Server
Message-ID <th8vl1$8pd$1@gioia.aioe.org> (permalink)
References (7 earlier) <th4r39$nnl1$1@dont-email.me> <th6s6k$12bm$1@gioia.aioe.org> <th6t0n$1149q$1@dont-email.me> <th70g5$1af1$1@gioia.aioe.org> <NhFZK.117194$6gz7.101595@fx37.iad>

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On Fri, 30 Sep 2022 11:01:32 -0600
Louis Krupp <lkrupp@invalid.pssw.com.invalid> wrote:
>On 9/30/2022 9:03 AM, Muttley@dastardlyhq.com wrote:
>> On Fri, 30 Sep 2022 17:04:07 +0300
>> Paavo Helde <eesnimi@osa.pri.ee> wrote:
>>> 30.09.2022 16:50 Muttley@dastardlyhq.com kirjutas:
>>>> On Thu, 29 Sep 2022 22:19:05 +0300
>>>> Paavo Helde <eesnimi@osa.pri.ee> wrote:
>>>>> 29.09.2022 20:15 Jivanmukta kirjutas:
>>>>>> W dniu 29.09.2022 o 16:07, Paavo Helde pisze:
>>>>>>>> It is interesting that problem occurs only when debugging. Program
>>>>>>>> run from prompt works fine, without the problem.
>>>>>>> Ah, you mean there is no bug, just the debugger is displaying some
>>>>>>> misleading messages? In that case, welcome to the club!
>>>>>>>
>>>>>>>
>>>>>> But I need to debug my program to fix other errors.
>>>>>> The error described by me makes debugging problematic.
>>>>> Well, use a better debugger then. My debugger (Visual Studio) does not
>>>>> display such error messages.
>>>> It just randomly skips lines during stepping depending on the optimisation
>>>> level. Very helpful.
>>> If the line has been optimized away or moved to another place, it cannot
>>> be really stepped into.
>> Thats fair enough, but since it knows the code isn't there it should flag up
>> in the code window that its been optimised away rather than just jumping
>> ahead.
>>
>
>The debugger might not know that the code was optimized away. If it's 
>not there, it's not there.

It has the source code as a reference. If it can skip lines then it can 
highlight those lines as optimised out.

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attempt to dereference a singular iterator Jivanmukta <jivanmukta@poczta.onet.pl> - 2022-09-28 13:53 +0200
  Re: attempt to dereference a singular iterator Jivanmukta <jivanmukta@poczta.onet.pl> - 2022-09-28 14:18 +0200
    Re: attempt to dereference a singular iterator JiiPee <kerrttuPoistaTama11@gmail.com> - 2022-09-28 18:53 +0300
  Re: attempt to dereference a singular iterator Juha Nieminen <nospam@thanks.invalid> - 2022-09-28 12:19 +0000
    Re: attempt to dereference a singular iterator Jivanmukta <jivanmukta@poczta.onet.pl> - 2022-09-28 17:08 +0200
      Re: attempt to dereference a singular iterator JiiPee <kerrttuPoistaTama11@gmail.com> - 2022-09-28 18:52 +0300
        Re: attempt to dereference a singular iterator Jivanmukta <jivanmukta@poczta.onet.pl> - 2022-09-29 09:42 +0200
        Re: attempt to dereference a singular iterator Jivanmukta <jivanmukta@poczta.onet.pl> - 2022-09-29 11:58 +0200
          Re: attempt to dereference a singular iterator Juha Nieminen <nospam@thanks.invalid> - 2022-09-29 11:04 +0000
      Re: attempt to dereference a singular iterator Louis Krupp <lkrupp@invalid.pssw.com.invalid> - 2022-09-29 13:23 -0600
      Re: attempt to dereference a singular iterator Sam <sam@email-scan.com> - 2022-09-29 15:39 -0400
  Re: attempt to dereference a singular iterator Paavo Helde <eesnimi@osa.pri.ee> - 2022-09-28 19:21 +0300
    Re: attempt to dereference a singular iterator Jivanmukta <jivanmukta@poczta.onet.pl> - 2022-09-29 09:58 +0200
      Re: attempt to dereference a singular iterator Paavo Helde <eesnimi@osa.pri.ee> - 2022-09-29 15:00 +0300
        Re: attempt to dereference a singular iterator Jivanmukta <jivanmukta@poczta.onet.pl> - 2022-09-29 15:59 +0200
          Re: attempt to dereference a singular iterator Paavo Helde <eesnimi@osa.pri.ee> - 2022-09-29 17:07 +0300
            Re: attempt to dereference a singular iterator Jivanmukta <jivanmukta@poczta.onet.pl> - 2022-09-29 19:15 +0200
              Re: attempt to dereference a singular iterator Paavo Helde <eesnimi@osa.pri.ee> - 2022-09-29 22:19 +0300
                Re: attempt to dereference a singular iterator Muttley@dastardlyhq.com - 2022-09-30 13:50 +0000
                Re: attempt to dereference a singular iterator Paavo Helde <eesnimi@osa.pri.ee> - 2022-09-30 17:04 +0300
                Re: attempt to dereference a singular iterator Muttley@dastardlyhq.com - 2022-09-30 15:03 +0000
                Re: attempt to dereference a singular iterator Louis Krupp <lkrupp@invalid.pssw.com.invalid> - 2022-09-30 11:01 -0600
                Re: attempt to dereference a singular iterator Muttley@dastardlyhq.com - 2022-10-01 09:01 +0000
                Re: attempt to dereference a singular iterator scott@slp53.sl.home (Scott Lurndal) - 2022-09-30 15:19 +0000
            Re: attempt to dereference a singular iterator Juha Nieminen <nospam@thanks.invalid> - 2022-09-30 07:13 +0000
              Re: attempt to dereference a singular iterator Paavo Helde <eesnimi@osa.pri.ee> - 2022-09-30 15:56 +0300
                Re: attempt to dereference a singular iterator Jivanmukta <jivanmukta@poczta.onet.pl> - 2022-09-30 16:21 +0200
                Re: attempt to dereference a singular iterator Juha Nieminen <nospam@thanks.invalid> - 2022-09-30 16:09 +0000
          Re: attempt to dereference a singular iterator Juha Nieminen <nospam@thanks.invalid> - 2022-09-30 07:12 +0000
            Re: attempt to dereference a singular iterator Jivanmukta <jivanmukta@poczta.onet.pl> - 2022-09-30 21:05 +0200
  Re: attempt to dereference a singular iterator "Alf P. Steinbach" <alf.p.steinbach@gmail.com> - 2022-09-30 10:36 +0200
  Re: attempt to dereference a singular iterator Jivanmukta <jivanmukta@poczta.onet.pl> - 2022-10-03 16:53 +0200
    Re: attempt to dereference a singular iterator Juha Nieminen <nospam@thanks.invalid> - 2022-10-04 06:02 +0000
      Re: attempt to dereference a singular iterator Jivanmukta <jivanmukta@poczta.onet.pl> - 2022-10-05 09:42 +0200
        Re: attempt to dereference a singular iterator Juha Nieminen <nospam@thanks.invalid> - 2022-10-06 06:55 +0000
          Re: attempt to dereference a singular iterator Jivanmukta <jivanmukta@poczta.onet.pl> - 2022-10-07 07:34 +0200
            Re: attempt to dereference a singular iterator Jivanmukta <jivanmukta@poczta.onet.pl> - 2022-10-07 15:20 +0200
              Re: attempt to dereference a singular iterator Juha Nieminen <nospam@thanks.invalid> - 2022-10-10 06:21 +0000
              Re: attempt to dereference a singular iterator Öö Tiib <ootiib@hot.ee> - 2022-10-10 01:03 -0700

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