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Date:      Mon, 30 Apr 2012 12:04:43 -0700
From:      Oleksandr Tymoshenko <gonzo@freebsd.org>
To:        Adrian Chadd <adrian@freebsd.org>
Cc:        Aleksandr Rybalko <ray@dlink.ua>, Jason Evans <jasone@freebsd.org>, current@freebsd.org
Subject:   Re: <jemalloc>: jemalloc_arena.c:182: Failed assertion: "p[i] == 0"
Message-ID:  <4F9EE24B.7050909@freebsd.org>
In-Reply-To: <CAJ-VmonHYUYeF8xbisO8MCkp_Li7=fjQJRDEHFaR1K0yL7%2BK=A@mail.gmail.com>
References:  <20120421185402.GH1743@albert.catwhisker.org> <7AD8956D-AD18-4CAB-9953-06E00185A7DA@freebsd.org> <20120428150941.e0464900.ray@dlink.ua> <C8857CA7-44D5-4EB0-A1E2-DE0E0F6A673E@FreeBSD.org> <20120428231703.374bc042.ray@dlink.ua> <CAJ-VmonU8-UwuZ84feEWdeaA5NjGyzdcY6DGjEbZse4=qWLfJQ@mail.gmail.com> <CAJ-Vmo=X8a-1oTSv9CuxQ9tC0wPVJSBvFgFQaupjGO8bKp%2BWgQ@mail.gmail.com> <CAJ-VmonHYUYeF8xbisO8MCkp_Li7=fjQJRDEHFaR1K0yL7%2BK=A@mail.gmail.com>

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On 29/04/2012 12:04 PM, Adrian Chadd wrote:
> .. and the output from the buildworld:

.. skipped ..

> -DSOFTFLOAT_FOR_GCC -DYP -DNS_CACHING -DSYMBOL_VERSIONING -std=gnu99
> -Wsystem-headers -Werror -Wall -Wno-format-y2k -Wno-uninitialized
> -Wno-pointer-sign -c jemalloc_jemalloc.c -o jemalloc_jemalloc.So
> jemalloc_jemalloc.c: In function 'calloc':
> jemalloc_jemalloc.c:1027: internal compiler error: in
> change_address_1, at emit-rtl.c:1784
> Please submit a full bug report,
> with preprocessed source if appropriate.
> See<URL:http://gcc.gnu.org/bugs.html>;  for instructions.
> *** Error code 1
> 1 error
> *** Error code 2
> 1 error
> *** Error code 2
> 1 error
> *** Error code 2
> 1 error
> *** Error code 2
> 1 error

This ICE was fixed here:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33256
Unfortunately the fix is GPLv3-licensed, so we can't merge it
back as-is.

I tracked down the cause of the issue to
contrib/jemalloc/include/jemalloc/internal/jemalloc_internal.h line 214.
So possible workaround could be replacing this line to
#if defined(JEMALLOC_DEBUG) || defined(__mips__)

Ugly, yes, but good enough as a band-aid until we figure out what to do
with the real issue



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