Skip site navigation (1)Skip section navigation (2)
Date:      Sat, 5 Jan 2013 17:40:39 +0100
From:      Stefan Farfeleder <stefanf@FreeBSD.org>
To:        Konstantin Belousov <kostikbel@gmail.com>
Cc:        freebsd-current@freebsd.org, Dimitry Andric <dim@freebsd.org>, Nathan Whitehorn <nwhitehorn@freebsd.org>
Subject:   Re: clang 3.2 RC2 miscompiles libgcc?
Message-ID:  <20130105164034.GA1436@mole.fafoe.narf.at>
In-Reply-To: <20130104202334.GN82219@kib.kiev.ua>
References:  <20121227150724.GA1431@mole.fafoe.narf.at> <50DC65F5.6060004@freebsd.org> <50E0BD66.4070609@FreeBSD.org> <20130102135950.GA1464@mole.fafoe.narf.at> <20130104154940.GD1430@mole.fafoe.narf.at> <20130104181438.GL82219@kib.kiev.ua> <20130104190602.GE1430@mole.fafoe.narf.at> <20130104202334.GN82219@kib.kiev.ua>

next in thread | previous in thread | raw e-mail | index | archive | help
On Fri, Jan 04, 2013 at 10:23:34PM +0200, Konstantin Belousov wrote:
> 
> Thank you for digging more.
> 
> In fact, it is more likely that there is some bug or incompatibility in
> c++ unwinder than in the libgcc itself, but as you noted, a compiler bug
> is also possible.
> 
> Anyway, I was mostly looking could the backtrace starts in rtld. Rtld bug
> also cannot be excluded at this stage, but it not much likely.

FWIW, the diff between working and non-working assembler can be found at
http://people.freebsd.org/~stefanf/tmp/libgcc_s.s.diff .
Not that I expect much from that.

Stefan



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20130105164034.GA1436>