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Date: Wed, 31 May 2000 14:00:58 -0700 (PDT)
From: Earnie Boyd <earnie_boyd AT yahoo DOT com>
Reply-To: earnie_boyd AT yahoo DOT com
Subject: Re: Major bug -- Exception handling broken
To: cygwin AT sourceware DOT cygnus DOT com
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--- Chris Faylor <cgf AT cygnus DOT com> wrote:
> On Wed, May 31, 2000 at 01:03:05PM -0500, Parker, Ron wrote:
> >> Exception handling in g++ is totally broken in the current Cygwin
> >> release. Almost any program that uses exceptions crashes:
> >> 
> >> class Foo {};
> >> int main() {
> >>   try { throw Foo(); }
> >>   catch (const Foo&) { return 0; }
> >> }
> >> 
> >> $ g++ foo.cpp -o foo
> >> $ ./foo
> >> 0 [main] foo 1007 handle_exceptions: Exception: 
> >> STATUS_ACCESS_VIOLATION
> >> 5052 [main] foo 1007 stackdump: Dumping stack trace to 
> >> foo.exe.stackdump
> >
> >I have verified that this is a bug.  Mumit Khan, the cygwin gcc guru, is out
> >of the country and should be back mid-June.  In the mean time I will see
> >what I can find.
> >
> >For the time being you may work around it by replacing g++ in the command
> >line with gcc.  That produces a working executable.  My best guess at this
> >time is that there is a problem with g++ in the specs file.  I will check it
> >next.
> 
> I may be wrong but I believe that Mumit is well-aware that structured
> exception handling is broken on Windows.
> 

Yes and low priority on the TODO list.  If Ron would like to take this on
himself I'm sure that it would be a welcome fix.

Regards,

=====
---
   Earnie Boyd: <mailto:earnie_boyd AT yahoo DOT com>
            __Cygwin: POSIX on Windows__
Cygwin Newbies: <http://www.freeyellow.com/members5/gw32/index.html>
           __Minimalist GNU for Windows__
  Mingw32 List: <http://www.egroups.com/group/mingw32/>
    Mingw Home: <http://www.mingw.org/>

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