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Re: Major bug -- Exception handling broken
- To: cygwin at sourceware dot cygnus dot com
- Subject: Re: Major bug -- Exception handling broken
- From: Earnie Boyd <earnie_boyd at yahoo dot com>
- Date: Wed, 31 May 2000 14:00:58 -0700 (PDT)
- Reply-To: earnie_boyd at yahoo dot com
--- Chris Faylor <cgf@cygnus.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@yahoo.com>
__Cygwin: POSIX on Windows__
Cygwin Newbies: <http://www.freeyellow.com/members5/gw32/index.html>
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