Re: [Mingw-w64-public] Status of gcc-4.4 based snapshots?

[<Stu...@su...>]

With the 20090216 snapshot, I'm observing _Unwind_SjLj_Unregister mangling registers (e.g return value in rax).  I'm assuming that this is the same bug referred to below.  Is it possible this fix is still not in the snapshots?  Is gcc updated from trunk when the buildbot runs (or manually, or from some tag)?  
 
Thanks,
Stuart
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Stuart Downing * Senior Software Engineer * SunGard * Data Management Solutions
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From: Kai Tietz [mailto:kti...@go...]
Sent: Sat 1/31/2009 12:38 PM
To: Wolfgang Glas
Cc: min...@li...
Subject: Re: [Mingw-w64-public] Status of gcc-4.4 based snapshots?



Hello Wolfgang,

2009/1/31 Wolfgang Glas <wol...@ev...>:
> Hi all,
>
>  Many thanks for the terrific work on mingw-w64. It's a great leap forward.
> After years, I recently tried msvc9 and there's merely no progress on C99
> compliance, poor cmdline support, dependency on msvcr9.dll "redistributable" and
> so on :(
>
>  I thought I will have to resign on building x64 binaries, but then I gave
> mingw-w64 a chance. And see: Everything works great ;-)

Many thanks for your kind words.

>  So far I'm compiling C programs but in the future I will try to build C++
> programs. However I recognized, that recent mingw-w64 snapshots (20090110 in my
> case) are based on gcc-4.4 pre-releases. It seems, that this compiler still has
> some time to go for the C++ part, see e.g.
>
>  http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38952
>
> This is specific bug break sjlj Exception handling and might be the cause of the
> problems of a previous poster when compiling Qt-4.5.0-beta.
>
>  Could therefore somebody clarify the following two questions:
>
> 1) When will the fix for bug 38952 be available in the mingw-w64 snapshots.

Soon, it is the last P1 bug before gcc 4.4 release. I am already on it
and had run a regression test for w64 on it. It solves most EH issues
we have at the moment.

> 2) Is the are "stable" snapshot, which is based on gcc-4.3

Hmm, well. I am not sure if we have that old snapshot still available
(Our automatic buildbot starts work while 4.4 was already running). On
the other hand, I would recommend to use 4.4.

>  TIA and keep on hacking,
>
>    Wolfgang

Cheers,
Kai

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