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RE: Libtool stresstest.at segfault on Cygwin/MinGW (was: stresstest.atex
From: |
Peter Ekberg |
Subject: |
RE: Libtool stresstest.at segfault on Cygwin/MinGW (was: stresstest.atexport of w8$ symbol) |
Date: |
Thu, 15 Sep 2005 15:15:17 +0200 |
* Peter Ekberg wrote on Tuesday, September 13, 2005 10:55 CEST:
That's me...
> * Ralf Wildenhues wrote on Tuesday, September 13, 2005 08:25 CEST:
> > Hi Peter,
> >
> > Peter Ekberg writes:
> > > make check TESTS="" TESTSUITE_FLAGS='-v -d 22'.
> > >
> > > As you can see, it goes on for quite a while before it segfaults,
> > > and no sign of the errors you see. I had a breif look at this
> > > new bug and it looks as if there's a problem when accessing v7
> > > or v8 (first line in main in main.c, line 90 in stresstest.at)
> > >
> > > Perhaps something along the lines of:
> > >
> > > http://cygwin.com/ml/cygwin/2004-09/msg01101.html
> > >
> > > I think this bug is present for all of MSVC, MinGW and Cygwin,
> > > so it smells like some generic windows problem...
> >
> > Let's see about this later.
>
> I now think this is more likely this problem instead:
>
> http://sources.redhat.com/ml/binutils/2004-02/msg00003.html
>
> The bug is present using at least Cygwin/gcc 3.3.3 and
> MinGW/gcc 3.2.3.
>
> It was a bitch to check if MSVC is affected. The test bugged out
> earlier and was terminated before the interesting part.
>
> I really think stresstest.at should be broken up in more tests. As
> is, it is PITA to debug problems found by it. Appart from the
> difficulty in seeing exactly what went wrong, it is also not
> possible (?) to skip ahead to the test you're interested in which
> is a big waste of time. It would be valuable to run all tests (or
> at least more tests) even if some of them fails.
>
> Anyway, after rearranging the loops so that '-export-symbols asyms'
> is first in the l2 loop and '-rpath /nonexistent' is first in the
> l3 loop, I see that this bug is not present with MSVC.
>
> I should upgrade to gcc 3.4 or 4 and see if the problem goes away...
It didn't go away with gcc 3.4.4 so it looks like something
different. I posted this bugreport on the cygwin list:
http://sourceware.org/ml/cygwin/2005-09/msg00471.html
Cheers,
Peter
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- RE: Libtool stresstest.at segfault on Cygwin/MinGW (was: stresstest.atexport of w8$ symbol),
Peter Ekberg <=