From: Alba Pompeo <albapompeo@gmail.com>
To: musl@lists.openwall.com
Subject: Re: Re: Julia on musl libc systems
Date: Tue, 12 Jul 2016 19:47:27 -0300 [thread overview]
Message-ID: <CAJDAfTDoKcMO6iFBLN9hyO1gj2NXTotBj8KA-d=B5gz0uq=gOQ@mail.gmail.com> (raw)
In-Reply-To: <alpine.LNX.2.20.1606291956300.31041@monopod.intra.ispras.ru>
Alexander, great work!
Let's hope GCC developers look at it soon.
On Wed, Jun 29, 2016 at 2:03 PM, Alexander Monakov <amonakov@ispras.ru> wrote:
> Hi!
>
> Thanks to the minimized testcase provided by Szabolcs, I've narrowed it down
> to a bad qsort call in gcc: the comparator provided to qsort lacks
> transitivity in some cases. One doesn't see this on a Glibc-hosted toolchain
> because Alpine implicitely enables -fno-strict-overflow, and also
> because with Glibc resulting sort order is different, and happens to avoid the
> gcc_assert that triggers on Alpine with musl.
>
> I've opened a GCC bug: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71702
>
> Alexander
prev parent reply other threads:[~2016-07-12 22:47 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CAJDAfTAwqGWWn3hx8k4jbynAgsy=Q8GHmccOod-xmZ87327z+A@mail.gmail.com>
[not found] ` <20160130130956.GR9621@port70.net>
[not found] ` <CAJDAfTAyYz8Xnwv3Xj_qTxM_AErVjfRUPymffExTZ4KN-_eV5g@mail.gmail.com>
[not found] ` <20160130144011.GS9621@port70.net>
[not found] ` <CAJDAfTAkMDEc4s2tZQJPW0WDhvSCfgNGDEVPAh+Xd+5YB4_K4Q@mail.gmail.com>
[not found] ` <CAJDAfTASp=MXYur_pdA-MWS6LJThEgXa2wtGSDc+kE4kiYHyjA@mail.gmail.com>
[not found] ` <20160131010750.GT9621@port70.net>
[not found] ` <CAJDAfTBZHQ-3pEH4MA0epo_RTTajbV4ohZC06WohaffkLYeW3Q@mail.gmail.com>
2016-01-31 16:49 ` Szabolcs Nagy
2016-01-31 18:00 ` Szabolcs Nagy
2016-01-31 18:45 ` Rich Felker
2016-01-31 20:40 ` Szabolcs Nagy
2016-01-31 20:42 ` Szabolcs Nagy
2016-05-21 13:37 ` Alba Pompeo
2016-06-08 22:00 ` Alba Pompeo
2016-06-29 17:03 ` Alexander Monakov
2016-07-12 22:47 ` Alba Pompeo [this message]
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