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Re: gcc failure (optimised/non-optimised)

From James Harris <james.harris.1@gmail.com>
Newsgroups comp.lang.c
Subject Re: gcc failure (optimised/non-optimised)
Date 2017-04-24 09:34 +0100
Organization A noiseless patient Spider
Message-ID <odkd4e$bsj$1@dont-email.me> (permalink)
References <odf2pf$dd0$1@dont-email.me> <58fb2265.5246218@news.xs4all.nl> <EEFKA.484957$fL.133530@fx24.am4> <odfbi9$b0c$1@dont-email.me> <odfn3h$ap2$2@news.xmission.com>

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On 22/04/2017 14:50, Kenny McCormack wrote:
> In article <odfbi9$b0c$1@dont-email.me>,
> James Harris  <james.harris.1@gmail.com> wrote:
> ...
>> That's my gripe, too. I accept that C specifies cases of UB, understand
>> why it does so, and welcome the fact that such things are programmer
>> responsibility. What I find surprising, though, is that the compiler
>> generates code which behaves differently _without warning_ by default.
>
> The point here is that it is a "Doctor, it hurts when I do this" sort of
> thing.  By specifying optimization (via -O<anything>), you are telling the
> compiler to assume that your code is all correct and to optimize
> accordingly.  If you didn't want that, you'd not put in -Ox.

I see your point: optimisations often involve assumptions. Optimisation 
can, of course, just make compilation take longer, though.

Perhaps the best option would be a single switch to turn on warnings 
about any assumptions an optimiser was making which were different from 
those the unoptimised code would make, and to be able to turn such 
warnings off individually. Then optimised code could be guaranteed to 
use the same assumptions as unoptimised code unless the programmer got a 
warning about it.

Of course, a simple warning about undefined behaviour could also be 
useful - and might be better!

>
> Now, here's the thing - and I accept that this is controversial and against
> the grain of this newsgroup - but the way it *should* work is that when
> don't specify any optimization (i.e., -O0), the code should be compiled "as
> is" - i.e., what you see is what you get.  Then, if you specify that
> optimization be done, then you have to accept that the compiler may
> "distort" your code - as they say, you asked for it, you got it.
>
> Unfortunately, the C standards (the Bible of this NG) make no such
> guarantees.  The compiler is free to do whatever it likes with your code,
> even when compiled with -O0.  That's the flaw.
>
> P.S.  Again, I'm fully aware that the above is controversial and I fully
> expect a slew of responses telling me I'm wrong.  Unless you really like
> hearing the sound of your own voice, don't bother.




-- 
James Harris

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Thread

gcc failure (optimised/non-optimised) James Harris <james.harris.1@gmail.com> - 2017-04-22 09:06 +0100
  Re: gcc failure (optimised/non-optimised) Andrew Cooper <amc96@cam.ac.uk> - 2017-04-22 09:49 +0100
    Re: gcc failure (optimised/non-optimised) James Harris <james.harris.1@gmail.com> - 2017-04-22 10:52 +0100
      Re: gcc failure (optimised/non-optimised) Gareth Owen <gwowen@gmail.com> - 2017-04-22 11:37 +0100
        Re: gcc failure (optimised/non-optimised) James Harris <james.harris.1@gmail.com> - 2017-04-24 09:07 +0100
          Re: gcc failure (optimised/non-optimised) Keith Thompson <kst-u@mib.org> - 2017-04-24 08:33 -0700
            Re: gcc failure (optimised/non-optimised) James Harris <james.harris.1@gmail.com> - 2017-04-28 22:32 +0100
              Re: gcc failure (optimised/non-optimised) supercat@casperkitty.com - 2017-04-28 14:53 -0700
                Re: gcc failure (optimised/non-optimised) Gareth Owen <gwowen@gmail.com> - 2017-04-29 07:00 +0100
                Re: gcc failure (optimised/non-optimised) Ben Bacarisse <ben.usenet@bsb.me.uk> - 2017-04-29 11:19 +0100
                Re: gcc failure (optimised/non-optimised) Gareth Owen <gwowen@gmail.com> - 2017-04-29 11:30 +0100
      Re: gcc failure (optimised/non-optimised) Noob <root@127.0.0.1> - 2017-04-22 16:12 +0200
        Re: gcc failure (optimised/non-optimised) James Harris <james.harris.1@gmail.com> - 2017-04-24 09:16 +0100
      Re: gcc failure (optimised/non-optimised) Andrew Haley <andrew29@littlepinkcloud.invalid> - 2017-04-23 05:41 -0500
        Re: gcc failure (optimised/non-optimised) supercat@casperkitty.com - 2017-04-23 14:14 -0700
          Re: gcc failure (optimised/non-optimised) Andrew Haley <andrew29@littlepinkcloud.invalid> - 2017-04-24 04:04 -0500
        Re: gcc failure (optimised/non-optimised) James Harris <james.harris.1@gmail.com> - 2017-04-24 09:22 +0100
          Re: gcc failure (optimised/non-optimised) "James R. Kuyper" <jameskuyper@verizon.net> - 2017-04-24 12:05 -0400
            Re: gcc rules OK (optimised/non-optimised) "James R. Kuyper" <jameskuyper@verizon.net> - 2017-04-24 17:06 -0400
              Re: gcc rules OK (optimised/non-optimised) supercat@casperkitty.com - 2017-04-24 15:06 -0700
    Re: gcc failure (optimised/non-optimised) raltbos@xs4all.nl (Richard Bos) - 2017-04-22 21:31 +0000
  Re: gcc failure (optimised/non-optimised) raltbos@xs4all.nl (Richard Bos) - 2017-04-22 09:29 +0000
    Re: gcc failure (optimised/non-optimised) bartc <bc@freeuk.com> - 2017-04-22 10:47 +0100
      Re: gcc failure (optimised/non-optimised) James Harris <james.harris.1@gmail.com> - 2017-04-22 11:36 +0100
        Re: gcc failure (optimised/non-optimised) gazelle@shell.xmission.com (Kenny McCormack) - 2017-04-22 13:50 +0000
          Re: gcc failure (optimised/non-optimised) bartc <bc@freeuk.com> - 2017-04-22 15:35 +0100
            Re: gcc failure (optimised/non-optimised) James Harris <james.harris.1@gmail.com> - 2017-04-24 09:36 +0100
              Re: gcc failure (optimised/non-optimised) Keith Thompson <kst-u@mib.org> - 2017-04-24 08:37 -0700
                Re: gcc failure (optimised/non-optimised) David Brown <david.brown@hesbynett.no> - 2017-04-25 11:07 +0200
                Re: gcc failure (optimised/non-optimised) Keith Thompson <kst-u@mib.org> - 2017-04-25 11:57 -0700
          Re: gcc failure (optimised/non-optimised) James Harris <james.harris.1@gmail.com> - 2017-04-24 09:34 +0100
            Re: gcc failure (optimised/non-optimised) David Brown <david.brown@hesbynett.no> - 2017-04-24 11:25 +0200
          Re: gcc failure (optimised/non-optimised) Tim Rentsch <txr@alumni.caltech.edu> - 2017-04-27 13:57 -0700
        Re: gcc failure (optimised/non-optimised) Tim Rentsch <txr@alumni.caltech.edu> - 2017-04-27 13:38 -0700
          Re: gcc failure (optimised/non-optimised) James Harris <james.harris.1@gmail.com> - 2017-04-28 22:38 +0100
      Re: gcc failure (optimised/non-optimised) Keith Thompson <kst-u@mib.org> - 2017-04-22 08:35 -0700
        Re: gcc failure (optimised/non-optimised) bartc <bc@freeuk.com> - 2017-04-22 17:16 +0100
          Re: gcc failure (optimised/non-optimised) bartc <bc@freeuk.com> - 2017-04-22 18:55 +0100
          Re: gcc failure (optimised/non-optimised) Noob <root@127.0.0.1> - 2017-04-22 21:04 +0200
          Re: gcc failure (optimised/non-optimised) Ben Bacarisse <ben.usenet@bsb.me.uk> - 2017-04-22 21:51 +0100
          Re: gcc failure (optimised/non-optimised) supercat@casperkitty.com - 2017-04-22 14:56 -0700
          Re: gcc failure (optimised/non-optimised) Noob <root@127.0.0.1> - 2017-04-30 16:49 +0200
            Re: gcc failure (optimised/non-optimised) Ben Bacarisse <ben.usenet@bsb.me.uk> - 2017-04-30 16:02 +0100
              Re: gcc failure (optimised/non-optimised) Robert Wessel <robertwessel2@yahoo.com> - 2017-04-30 11:51 -0500
              Re: gcc failure (optimised/non-optimised) Noob <root@127.0.0.1> - 2017-04-30 21:42 +0200
            Re: gcc failure (optimised/non-optimised) bartc <bc@freeuk.com> - 2017-04-30 17:35 +0100
              Re: gcc failure (optimised/non-optimised) Robert Wessel <robertwessel2@yahoo.com> - 2017-04-30 11:57 -0500
                Re: gcc failure (optimised/non-optimised) bartc <bc@freeuk.com> - 2017-04-30 18:44 +0100
                Re: gcc failure (optimised/non-optimised) David Kleinecke <dkleinecke@gmail.com> - 2017-04-30 11:34 -0700
                Re: gcc failure (optimised/non-optimised) Keith Thompson <kst-u@mib.org> - 2017-04-30 12:03 -0700
                Re: gcc failure (optimised/non-optimised) David Kleinecke <dkleinecke@gmail.com> - 2017-04-30 15:30 -0700
                Re: gcc failure (optimised/non-optimised) David Brown <david.brown@hesbynett.no> - 2017-04-30 21:18 +0200
                Re: gcc failure (optimised/non-optimised) David Kleinecke <dkleinecke@gmail.com> - 2017-04-30 15:33 -0700
                Re: gcc failure (optimised/non-optimised) David Brown <david.brown@hesbynett.no> - 2017-05-01 16:27 +0200
                Re: gcc failure (optimised/non-optimised) David Kleinecke <dkleinecke@gmail.com> - 2017-05-01 10:16 -0700
                Re: gcc failure (optimised/non-optimised) Keith Thompson <kst-u@mib.org> - 2017-05-01 11:34 -0700
                Re: gcc failure (optimised/non-optimised) David Kleinecke <dkleinecke@gmail.com> - 2017-05-03 12:43 -0700
                Re: gcc failure (optimised/non-optimised) Keith Thompson <kst-u@mib.org> - 2017-05-03 12:54 -0700
                Re: gcc failure (optimised/non-optimised) David Kleinecke <dkleinecke@gmail.com> - 2017-05-03 17:49 -0700
                Re: gcc failure (optimised/non-optimised) Keith Thompson <kst-u@mib.org> - 2017-05-03 18:05 -0700
                Re: gcc failure (optimised/non-optimised) David Kleinecke <dkleinecke@gmail.com> - 2017-05-03 20:37 -0700
                Re: gcc failure (optimised/non-optimised) GOTHIER Nathan <nathan.gothier@gmail.com> - 2017-05-04 10:22 +0200
                Re: gcc failure (optimised/non-optimised) bartc <bc@freeuk.com> - 2017-05-04 11:01 +0100
                Re: gcc failure (optimised/non-optimised) GOTHIER Nathan <nathan.gothier@gmail.com> - 2017-05-04 12:18 +0200
                Re: gcc failure (optimised/non-optimised) bartc <bc@freeuk.com> - 2017-05-04 11:55 +0100
                Re: gcc failure (optimised/non-optimised) GOTHIER Nathan <nathan.gothier@gmail.com> - 2017-05-04 15:14 +0200
                Re: gcc failure (optimised/non-optimised) Keith Thompson <kst-u@mib.org> - 2017-05-04 09:34 -0700
                Re: gcc failure (optimised/non-optimised) supercat@casperkitty.com - 2017-05-04 10:09 -0700
                Re: gcc failure (optimised/non-optimised) bartc <bc@freeuk.com> - 2017-05-04 18:25 +0100
                Re: gcc failure (optimised/non-optimised) Keith Thompson <kst-u@mib.org> - 2017-05-04 11:28 -0700
                Re: gcc failure (optimised/non-optimised) supercat@casperkitty.com - 2017-05-04 11:53 -0700
                Re: gcc failure (optimised/non-optimised) David Brown <david.brown@hesbynett.no> - 2017-05-04 13:07 +0200
                Re: gcc failure (optimised/non-optimised) bartc <bc@freeuk.com> - 2017-05-04 14:19 +0100
                Re: gcc failure (optimised/non-optimised) David Brown <david.brown@hesbynett.no> - 2017-05-04 16:44 +0200
                Re: gcc failure (optimised/non-optimised) David Kleinecke <dkleinecke@gmail.com> - 2017-05-04 13:09 -0700
                Re: gcc failure (optimised/non-optimised) Ian Collins <ian-news@hotmail.com> - 2017-05-05 08:17 +1200
                Re: gcc failure (optimised/non-optimised) David Brown <david.brown@hesbynett.no> - 2017-05-04 22:26 +0200
                Re: gcc failure (optimised/non-optimised) David Kleinecke <dkleinecke@gmail.com> - 2017-05-04 13:38 -0700
                Re: gcc failure (optimised/non-optimised) David Brown <david.brown@hesbynett.no> - 2017-05-04 22:49 +0200
                Re: gcc failure (optimised/non-optimised) David Kleinecke <dkleinecke@gmail.com> - 2017-05-04 19:58 -0700
                Re: gcc failure (optimised/non-optimised) David Brown <david.brown@hesbynett.no> - 2017-05-05 10:32 +0200
                Re: gcc failure (optimised/non-optimised) David Kleinecke <dkleinecke@gmail.com> - 2017-05-05 12:53 -0700
                Re: gcc failure (optimised/non-optimised) supercat@casperkitty.com - 2017-05-04 13:51 -0700
                Re: gcc failure (optimised/non-optimised) Ian Collins <ian-news@hotmail.com> - 2017-05-05 08:58 +1200
                Re: gcc failure (optimised/non-optimised) supercat@casperkitty.com - 2017-05-04 14:45 -0700
                Re: gcc failure (optimised/non-optimised) Gareth Owen <gwowen@gmail.com> - 2017-05-05 06:41 +0100
                Re: gcc failure (optimised/non-optimised) supercat@casperkitty.com - 2017-05-05 10:40 -0700
                Re: gcc failure (optimised/non-optimised) David Brown <david.brown@hesbynett.no> - 2017-05-06 13:21 +0200
                Re: gcc failure (optimised/non-optimised) supercat@casperkitty.com - 2017-05-06 11:26 -0700
                Re: gcc failure (optimised/non-optimised) David Brown <david.brown@hesbynett.no> - 2017-05-06 22:52 +0200
                Re: gcc failure (optimised/non-optimised) supercat@casperkitty.com - 2017-05-07 19:01 -0700
                Re: gcc failure (optimised/non-optimised) David Brown <david.brown@hesbynett.no> - 2017-05-08 11:09 +0200
                Re: gcc failure (optimised/non-optimised) supercat@casperkitty.com - 2017-05-07 19:48 -0700
                Re: gcc failure (optimised/non-optimised) David Brown <david.brown@hesbynett.no> - 2017-05-08 11:17 +0200
                Re: gcc failure (optimised/non-optimised) supercat@casperkitty.com - 2017-05-08 06:36 -0700
                Re: gcc failure (optimised/non-optimised) David Brown <david.brown@hesbynett.no> - 2017-05-08 16:21 +0200
                Re: gcc failure (optimised/non-optimised) supercat@casperkitty.com - 2017-05-08 09:16 -0700
                Re: gcc failure (optimised/non-optimised) David Brown <david.brown@hesbynett.no> - 2017-05-08 21:20 +0200
                Re: gcc failure (optimised/non-optimised) supercat@casperkitty.com - 2017-05-08 13:07 -0700
                Re: gcc failure (optimised/non-optimised) David Brown <david.brown@hesbynett.no> - 2017-05-08 22:46 +0200
                Re: gcc failure (optimised/non-optimised) supercat@casperkitty.com - 2017-05-08 14:38 -0700
                Re: gcc failure (optimised/non-optimised) scott@slp53.sl.home (Scott Lurndal) - 2017-05-08 21:16 +0000
                Re: gcc failure (optimised/non-optimised) supercat@casperkitty.com - 2017-05-08 15:09 -0700
                Re: gcc failure (optimised/non-optimised) "Chris M. Thomasson" <invalid@invalid.invalid> - 2017-05-08 15:14 -0700
                Re: gcc failure (optimised/non-optimised) supercat@casperkitty.com - 2017-05-08 15:43 -0700
                Re: gcc failure (optimised/non-optimised) "Chris M. Thomasson" <invalid@invalid.invalid> - 2017-05-08 16:56 -0700
                Re: gcc failure (optimised/non-optimised) "Chris M. Thomasson" <invalid@invalid.invalid> - 2017-05-08 16:57 -0700
                Re: gcc failure (optimised/non-optimised) supercat@casperkitty.com - 2017-05-08 17:27 -0700
                Re: gcc failure (optimised/non-optimised) "Chris M. Thomasson" <invalid@invalid.invalid> - 2017-05-08 17:41 -0700
                Re: gcc failure (optimised/non-optimised) supercat@casperkitty.com - 2017-05-09 06:16 -0700
                Re: gcc failure (optimised/non-optimised) "Chris M. Thomasson" <invalid@invalid.invalid> - 2017-05-09 12:11 -0700
                Re: gcc failure (optimised/non-optimised) raltbos@xs4all.nl (Richard Bos) - 2017-05-10 09:58 +0000
                Re: gcc failure (optimised/non-optimised) supercat@casperkitty.com - 2017-05-10 09:40 -0700
                Re: gcc failure (optimised/non-optimised) "Chris M. Thomasson" <invalid@invalid.invalid> - 2017-05-10 12:05 -0700
                Re: gcc failure (optimised/non-optimised) scott@slp53.sl.home (Scott Lurndal) - 2017-05-09 13:55 +0000
                Re: gcc failure (optimised/non-optimised) supercat@casperkitty.com - 2017-05-09 09:26 -0700
                Re: gcc failure (optimised/non-optimised) Robert Wessel <robertwessel2@yahoo.com> - 2017-05-09 13:56 -0500
                Re: gcc failure (optimised/non-optimised) supercat@casperkitty.com - 2017-05-09 14:19 -0700
                Re: gcc failure (optimised/non-optimised) David Brown <david.brown@hesbynett.no> - 2017-05-10 14:22 +0200
                Re: gcc failure (optimised/non-optimised) supercat@casperkitty.com - 2017-05-10 09:26 -0700
                Re: gcc failure (optimised/non-optimised) Robert Wessel <robertwessel2@yahoo.com> - 2017-05-10 17:36 -0500
                Re: gcc failure (optimised/non-optimised) David Brown <david.brown@hesbynett.no> - 2017-05-11 01:12 +0200
                Re: gcc failure (optimised/non-optimised) supercat@casperkitty.com - 2017-05-10 21:15 -0700
                Re: gcc failure (optimised/non-optimised) David Brown <david.brown@hesbynett.no> - 2017-05-11 10:41 +0200
                Re: gcc failure (optimised/non-optimised) supercat@casperkitty.com - 2017-05-11 15:32 -0700
                Re: gcc failure (optimised/non-optimised) Robert Wessel <robertwessel2@yahoo.com> - 2017-05-12 01:54 -0500
                Re: gcc failure (optimised/non-optimised) supercat@casperkitty.com - 2017-05-12 07:45 -0700
                Re: gcc failure (optimised/non-optimised) Robert Wessel <robertwessel2@yahoo.com> - 2017-05-12 23:52 -0500
                Re: gcc failure (optimised/non-optimised) Tim Rentsch <txr@alumni.caltech.edu> - 2017-05-14 12:57 -0700
                Re: gcc failure (optimised/non-optimised) "Chris M. Thomasson" <invalid@invalid.invalid> - 2017-05-10 21:56 -0700
                Re: gcc failure (optimised/non-optimised) David Brown <david.brown@hesbynett.no> - 2017-05-11 10:45 +0200
                Re: gcc failure (optimised/non-optimised) "Chris M. Thomasson" <invalid@invalid.invalid> - 2017-05-11 14:43 -0700
                Re: gcc failure (optimised/non-optimised) David Brown <david.brown@hesbynett.no> - 2017-05-12 10:55 +0200
                Re: gcc failure (optimised/non-optimised) joel.rees@gmail.com - 2017-05-12 07:30 -0700
                Re: gcc failure (optimised/non-optimised) supercat@casperkitty.com - 2017-05-12 09:02 -0700
                Re: gcc failure (optimised/non-optimised) "Chris M. Thomasson" <invalid@invalid.invalid> - 2017-05-14 13:14 -0700
                Re: gcc failure (optimised/non-optimised) Robert Wessel <robertwessel2@yahoo.com> - 2017-05-14 16:04 -0500
                Re: gcc failure (optimised/non-optimised) Robert Wessel <robertwessel2@yahoo.com> - 2017-05-10 17:33 -0500
                Re: gcc failure (optimised/non-optimised) scott@slp53.sl.home (Scott Lurndal) - 2017-05-09 13:51 +0000
                Re: gcc failure (optimised/non-optimised) supercat@casperkitty.com - 2017-05-09 09:14 -0700
                Re: gcc failure (optimised/non-optimised) scott@slp53.sl.home (Scott Lurndal) - 2017-05-08 21:07 +0000
                Re: gcc failure (optimised/non-optimised) Gareth Owen <gwowen@gmail.com> - 2017-05-09 18:30 +0100
                Re: gcc failure (optimised/non-optimised) David Brown <david.brown@hesbynett.no> - 2017-05-05 10:44 +0200
                Re: gcc failure (optimised/non-optimised) David Brown <david.brown@hesbynett.no> - 2017-05-05 10:42 +0200
                Re: gcc failure (optimised/non-optimised) scott@slp53.sl.home (Scott Lurndal) - 2017-05-05 14:10 +0000
                Re: gcc failure (optimised/non-optimised) David Brown <david.brown@hesbynett.no> - 2017-05-05 17:12 +0200
                Re: gcc failure (optimised/non-optimised) scott@slp53.sl.home (Scott Lurndal) - 2017-05-04 15:08 +0000
                Re: gcc failure (optimised/non-optimised) Robert Wessel <robertwessel2@yahoo.com> - 2017-05-04 12:24 -0500
                Re: gcc failure (optimised/non-optimised) bartc <bc@freeuk.com> - 2017-05-04 18:29 +0100
                Re: gcc failure (optimised/non-optimised) scott@slp53.sl.home (Scott Lurndal) - 2017-05-04 18:07 +0000
                Re: gcc failure (optimised/non-optimised) GOTHIER Nathan <nathan.gothier@gmail.com> - 2017-05-04 20:15 +0200
                Re: gcc failure (optimised/non-optimised) joel.rees@gmail.com - 2017-05-04 15:47 -0700
                Re: gcc failure (optimised/non-optimised) GOTHIER Nathan <nathan.gothier@gmail.com> - 2017-05-05 01:22 +0200
                Re: gcc failure (optimised/non-optimised) joel.rees@gmail.com - 2017-05-04 18:57 -0700
                Re: gcc failure (optimised/non-optimised) GOTHIER Nathan <nathan.gothier@gmail.com> - 2017-05-05 09:30 +0200
                Re: gcc failure (optimised/non-optimised) Tim Rentsch <txr@alumni.caltech.edu> - 2017-05-05 01:25 -0700
                Re: gcc failure (optimised/non-optimised) GOTHIER Nathan <nathan.gothier@gmail.com> - 2017-05-05 10:33 +0200
                Re: gcc failure (optimised/non-optimised) Tim Rentsch <txr@alumni.caltech.edu> - 2017-05-05 10:10 -0700
                Re: gcc failure (optimised/non-optimised) David Brown <david.brown@hesbynett.no> - 2017-05-05 12:49 +0200
                Re: gcc failure (optimised/non-optimised) joel.rees@gmail.com - 2017-05-05 18:31 -0700
                Re: gcc failure (optimised/non-optimised) Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2017-05-05 22:18 -0600
                Re: gcc failure (optimised/non-optimised) Tim Rentsch <txr@alumni.caltech.edu> - 2017-05-07 23:58 -0700
                Re: gcc failure (optimised/non-optimised) supercat@casperkitty.com - 2017-05-08 07:33 -0700
                Re: gcc failure (optimised/non-optimised) Tim Rentsch <txr@alumni.caltech.edu> - 2017-05-14 13:04 -0700
                Re: gcc failure (optimised/non-optimised) supercat@casperkitty.com - 2017-05-08 07:51 -0700
                Re: gcc failure (optimised/non-optimised) joel.rees@gmail.com - 2017-05-08 19:01 -0700
                Re: gcc failure (optimised/non-optimised) supercat@casperkitty.com - 2017-05-09 06:39 -0700
                Re: gcc failure (optimised/non-optimised) Tim Rentsch <txr@alumni.caltech.edu> - 2017-05-10 06:42 -0700
                Re: gcc failure (optimised/non-optimised) David Brown <david.brown@hesbynett.no> - 2017-05-05 10:53 +0200
                Re: gcc failure (optimised/non-optimised) bartc <bc@freeuk.com> - 2017-05-05 00:33 +0100
                Re: gcc failure (optimised/non-optimised) David Brown <david.brown@hesbynett.no> - 2017-05-05 10:54 +0200
                Re: gcc failure (optimised/non-optimised) David Kleinecke <dkleinecke@gmail.com> - 2017-05-04 13:31 -0700
                Re: gcc failure (optimised/non-optimised) Robert Wessel <robertwessel2@yahoo.com> - 2017-05-04 12:27 -0500
                Re: gcc failure (optimised/non-optimised) Tim Rentsch <txr@alumni.caltech.edu> - 2017-05-05 02:10 -0700
                Re: gcc failure (optimised/non-optimised) Robert Wessel <robertwessel2@yahoo.com> - 2017-05-07 22:56 -0500
                Re: gcc failure (optimised/non-optimised) David Kleinecke <dkleinecke@gmail.com> - 2017-05-04 13:00 -0700
                Re: gcc failure (optimised/non-optimised) Robert Wessel <robertwessel2@yahoo.com> - 2017-05-04 15:15 -0500
                Re: gcc failure (optimised/non-optimised) supercat@casperkitty.com - 2017-05-04 14:06 -0700
                Re: gcc failure (optimised/non-optimised) Robert Wessel <robertwessel2@yahoo.com> - 2017-05-05 00:43 -0500
                Re: gcc failure (optimised/non-optimised) supercat@casperkitty.com - 2017-05-04 13:31 -0700
                Re: gcc failure (optimised/non-optimised) David Brown <david.brown@hesbynett.no> - 2017-05-01 21:52 +0200
                Re: gcc failure (optimised/non-optimised) GOTHIER Nathan <nathan.gothier@gmail.com> - 2017-05-01 23:16 +0200
                Re: gcc failure (optimised/non-optimised) David Brown <david.brown@hesbynett.no> - 2017-05-02 09:19 +0200
                Re: gcc failure (optimised/non-optimised) supercat@casperkitty.com - 2017-04-30 17:28 -0700
                Re: gcc failure (optimised/non-optimised) scott@slp53.sl.home (Scott Lurndal) - 2017-05-01 13:12 +0000
              Re: gcc failure (optimised/non-optimised) Noob <root@127.0.0.1> - 2017-04-30 22:23 +0200
            Re: gcc failure (optimised/non-optimised) supercat@casperkitty.com - 2017-04-30 10:08 -0700
              Re: gcc failure (optimised/non-optimised) Noob <root@127.0.0.1> - 2017-04-30 22:32 +0200
                Re: gcc failure (optimised/non-optimised) Keith Thompson <kst-u@mib.org> - 2017-04-30 13:59 -0700
                Re: gcc failure (optimised/non-optimised) supercat@casperkitty.com - 2017-04-30 17:47 -0700
                Re: gcc failure (optimised/non-optimised) joel.rees@gmail.com - 2017-04-30 21:49 -0700
            Re: gcc failure (optimised/non-optimised) Keith Thompson <kst-u@mib.org> - 2017-04-30 11:24 -0700
            Re: gcc failure (optimised/non-optimised) Tim Rentsch <txr@alumni.caltech.edu> - 2017-04-30 12:45 -0700
      Re: gcc failure (optimised/non-optimised) Andrey Tarasevich <andreytarasevich@hotmail.com> - 2017-04-23 23:11 -0700
        Re: gcc failure (optimised/non-optimised) bartc <bc@freeuk.com> - 2017-04-24 10:46 +0100
          Re: gcc failure (optimised/non-optimised) David Brown <david.brown@hesbynett.no> - 2017-04-24 13:23 +0200
            Re: gcc failure (optimised/non-optimised) bartc <bc@freeuk.com> - 2017-04-24 15:38 +0100
              Re: gcc failure (optimised/non-optimised) David Brown <david.brown@hesbynett.no> - 2017-04-24 17:31 +0200
                Re: gcc failure (optimised/non-optimised) Ben Bacarisse <ben.usenet@bsb.me.uk> - 2017-04-24 17:15 +0100
                Re: gcc failure (optimised/non-optimised) supercat@casperkitty.com - 2017-04-24 10:36 -0700
                Re: gcc failure (optimised/non-optimised) Keith Thompson <kst-u@mib.org> - 2017-04-24 12:06 -0700
                Re: gcc failure (optimised/non-optimised) supercat@casperkitty.com - 2017-04-24 14:03 -0700
                Re: gcc failure (optimised/non-optimised) David Brown <david.brown@hesbynett.no> - 2017-04-25 11:09 +0200
                Re: gcc failure (optimised/non-optimised) supercat@casperkitty.com - 2017-04-24 10:25 -0700
              Re: gcc failure (optimised/non-optimised) Jorgen Grahn <grahn+nntp@snipabacken.se> - 2017-04-27 05:51 +0000
                Re: gcc failure (optimised/non-optimised) raltbos@xs4all.nl (Richard Bos) - 2017-05-01 09:08 +0000
                Re: gcc failure (optimised/non-optimised) bartc <bc@freeuk.com> - 2017-05-01 10:48 +0100
                Re: gcc failure (optimised/non-optimised) Ben Bacarisse <ben.usenet@bsb.me.uk> - 2017-05-01 11:39 +0100
                Re: gcc failure (optimised/non-optimised) Noob <root@127.0.0.1> - 2017-05-01 13:54 +0200
                Re: gcc failure (optimised/non-optimised) supercat@casperkitty.com - 2017-05-01 08:55 -0700
                Re: gcc failure (optimised/non-optimised) Robert Wessel <robertwessel2@yahoo.com> - 2017-05-01 12:18 -0500
                Re: gcc failure (optimised/non-optimised) supercat@casperkitty.com - 2017-05-01 11:03 -0700
                Re: gcc failure (optimised/non-optimised) Robert Wessel <robertwessel2@yahoo.com> - 2017-05-01 13:13 -0500
                Re: gcc failure (optimised/non-optimised) Ben Bacarisse <ben.usenet@bsb.me.uk> - 2017-05-01 19:47 +0100
                Re: gcc failure (optimised/non-optimised) scott@slp53.sl.home (Scott Lurndal) - 2017-05-01 18:51 +0000
                Re: gcc failure (optimised/non-optimised) Robert Wessel <robertwessel2@yahoo.com> - 2017-05-01 14:06 -0500
                Re: gcc failure (optimised/non-optimised) Ben Bacarisse <ben.usenet@bsb.me.uk> - 2017-05-01 21:05 +0100
                Re: gcc failure (optimised/non-optimised) Robert Wessel <robertwessel2@yahoo.com> - 2017-05-01 16:06 -0500
                Re: gcc failure (optimised/non-optimised) supercat@casperkitty.com - 2017-05-01 14:19 -0700
                Re: gcc failure (optimised/non-optimised) Keith Thompson <kst-u@mib.org> - 2017-05-01 08:41 -0700
                Re: gcc failure (optimised/non-optimised) raltbos@xs4all.nl (Richard Bos) - 2017-05-10 10:07 +0000
                Re: gcc failure (optimised/non-optimised) supercat@casperkitty.com - 2017-05-01 08:44 -0700
                Re: gcc failure (optimised/non-optimised) Keith Thompson <kst-u@mib.org> - 2017-05-01 09:03 -0700
                Re: gcc failure (optimised/non-optimised) supercat@casperkitty.com - 2017-05-01 09:51 -0700
                Re: gcc failure (optimised/non-optimised) Keith Thompson <kst-u@mib.org> - 2017-05-01 11:30 -0700
                Re: gcc failure (optimised/non-optimised) supercat@casperkitty.com - 2017-05-01 11:41 -0700
                Re: gcc failure (optimised/non-optimised) Keith Thompson <kst-u@mib.org> - 2017-05-01 11:51 -0700
            Re: gcc failure (optimised/non-optimised) supercat@casperkitty.com - 2017-04-24 08:51 -0700
              Re: gcc failure (optimised/non-optimised) Keith Thompson <kst-u@mib.org> - 2017-04-24 12:13 -0700
              Re: gcc failure (optimised/non-optimised) raltbos@xs4all.nl (Richard Bos) - 2017-05-01 09:11 +0000
        Re: gcc failure (optimised/non-optimised) Tim Rentsch <txr@alumni.caltech.edu> - 2017-04-27 14:04 -0700
    Re: gcc failure (optimised/non-optimised) James Harris <james.harris.1@gmail.com> - 2017-04-22 10:57 +0100
      Re: gcc failure (optimised/non-optimised) Gareth Owen <gwowen@gmail.com> - 2017-04-22 11:38 +0100
        Re: gcc failure (optimised/non-optimised) gazelle@shell.xmission.com (Kenny McCormack) - 2017-04-22 13:43 +0000
          Re: gcc failure (optimised/non-optimised) Gareth Owen <gwowen@gmail.com> - 2017-04-22 18:22 +0100
            Re: gcc failure (optimised/non-optimised) gazelle@shell.xmission.com (Kenny McCormack) - 2017-04-22 17:48 +0000
        Re: gcc failure (optimised/non-optimised) supercat@casperkitty.com - 2017-04-22 14:24 -0700
        Re: gcc failure (optimised/non-optimised) joel.rees@gmail.com - 2017-04-27 03:03 -0700
          Re: gcc failure (optimised/non-optimised) James Kuyper <jameskuyper@verizon.net> - 2017-04-27 10:12 -0400
      Re: gcc failure (optimised/non-optimised) raltbos@xs4all.nl (Richard Bos) - 2017-04-22 21:48 +0000
        Re: gcc failure (optimised/non-optimised) James Harris <james.harris.1@gmail.com> - 2017-04-24 10:14 +0100
          Re: gcc failure (optimised/non-optimised) bartc <bc@freeuk.com> - 2017-04-24 10:33 +0100
          Re: gcc failure (optimised/non-optimised) David Brown <david.brown@hesbynett.no> - 2017-04-24 13:32 +0200
  Re: gcc failure (optimised/non-optimised) scott@slp53.sl.home (Scott Lurndal) - 2017-04-24 13:47 +0000
  Re: gcc failure (optimised/non-optimised) Noob <root@127.0.0.1> - 2017-04-26 08:53 +0200

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