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Date: Fri, 05 Aug 2011 09:25:25 -0400
From: Ryan Johnson <ryan DOT johnson AT cs DOT utoronto DOT ca>
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Subject: Re: GCC version 4.3 on Cygwin ?
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On 01/08/2011 10:31 PM, Jan Chludzinski wrote:
>> Because our gcc maintainer went missing.  We hope Dave is ok, as we have
>> had no word from him.  However, in the meantime, we've had another
>> person (Yaakov) volunteer to pick up the slack; the recent release of an
>> updated GMP package were requested by the new volunteer to facilitate
>> the upcoming release of gcc-$newer.
>>
>> Be patient.
> I'm thankful that Cygwin exists and is the great product it is!
>
> BUT, I just have an issue with GCC 4.3.  I compiled some terse
> numerical (~1500 lines worth) and got one set of answers (using g++)
> and I got another set of answers using MinGW with 4.5. The MinGW
> results were what I expect - the same as I got using SuSE 11.4 with
> g++ 4.6.  Also, the values I get using VC++ 2010.
>
> Haven't had time to wade through the ~1500 lines of Runge-Kutta code
> to find the needle-in-the-haystack.
FYI, I also encountered a gcc-4.3 miscompilation yesterday (an assertion 
not firing even though gdb's view of the world said it should have both 
before and after the fact). Fortunately, the "experimental" 4.5 gcc 
package seems to fix it.

Ryan


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