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Re: [3.3] Followup to C++ forced unwinding
- From: Ulrich Drepper <drepper at redhat dot com>
- To: Richard Henderson <rth at redhat dot com>
- Cc: Jason Merrill <jason at redhat dot com>, Mark Mitchell <mark at codesourcery dot com>, gcc-patches at gcc dot gnu dot org, ncm at cantrip dot org
- Date: Wed, 30 Apr 2003 19:50:39 -0700
- Subject: Re: [3.3] Followup to C++ forced unwinding
- Organization: Red Hat, Inc.
- References: <20030430175335.GA18958@twiddle.net> <email@example.com> <20030430210342.GB697@redhat.com> <firstname.lastname@example.org> <email@example.com> <firstname.lastname@example.org> <email@example.com> <20030501024059.GA697@redhat.com>
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Richard Henderson wrote:
> On Wed, Apr 30, 2003 at 10:24:24PM -0400, Jason Merrill wrote:
>>Actually, I have an idea for how to DTRT here: give terminate() as the
>>destructor for the exception object in the forced unwind case. So if the
>>catch(...) block rethrows, all is good, but if we exit the catch block some
>>other way, we try to clean up the exception, which calls terminate.
> Oh, cool. This is a *much* nicer idea than I was contemplating.
> Yes, I can agree to this. Uli, does this satisfy?
This means the object which is passed to the catch() code has a
destructor which is if necessary executed and can be prevented to be
called by explicitly rethrowing? This sounds excellent.
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