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Re: [Bug-gsl] about gsl_complex_poly_complex_eval

From: Lasse Kliemann
Subject: Re: [Bug-gsl] about gsl_complex_poly_complex_eval
Date: Mon, 22 Sep 2008 10:33:08 +0200

* Message by -Liam Healy- from Sun 2008-09-21:
> A good data point; I had a colleague try this test on a Mac with gcc
> 4.0.x, and there was no problem getting through the tests.  So it's
> clear the problem was introduced after gcc 4.1.
> Meanwhile, I have tried recompiling on the same computer that
> originally gave me the problem with version
> gcc (Debian 4.3.1-9) 4.3.1
> but this time with -O0:
> make clean
> configure CFLAGS=-O0
> make
> make check
> and I get through all the tests with no problems.  So it looks like
> there's a problem with the optimizer in gcc 4.3.

I tested with 4.3.1 today, _with_ optimizer, and the test suite 
passed. To me it looks like the problem was introduced between 
4.3.1 and 4.3.2. I have to admit that this gcc 4.3.1 was itself 
compiled with a little patch applied to fix some compilation 
problems with glibc, so it's not a vanilla gcc. I can provide 
details on this if required.

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