From owner-freebsd-hackers  Wed Mar 13 22:54:51 2002
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Date: Wed, 13 Mar 2002 22:53:48 -0800
From: Terry Lambert <tlambert2@mindspring.com>
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To: "M. Warner Losh" <imp@village.org>
Cc: edhall@weirdnoise.com, mb@imp.ch, kris@obsecurity.org,
	jstocker@tzi.de, current@FreeBSD.ORG, hackers@FreeBSD.ORG,
	obrien@FreeBSD.ORG, edhall@screech.weirdnoise.com
Subject: Re: gcc -O broken in CURRENT
References: <mb@imp.ch>
		<200203132015.g2DKFYv17886@screech.weirdnoise.com> <20020313.234345.88856963.imp@village.org>
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"M. Warner Losh" wrote:
> In message: <200203132015.g2DKFYv17886@screech.weirdnoise.com>
>             Ed Hall <edhall@weirdnoise.com> writes:
> : Exception-handling is broken with -O in -stable, and has been for years.
> : FreeBSD is one of the few systems that use setjmp/longjmp stack unwinds
> : to implement exceptions, so when the GCC folks broke that path, it was
> : never fixed.  There are supposedly patches floating around that fix the
> : problem, but they either didn't work as advertised or the ball got dropped.
> 
> Hmmmm, C++ exceptions work in -stable with -O and have for at least a
> year.  At least they are working for us in our environment.  What's
> busted?

Per thread exception stacks?  THat's where I'd look...

-- Terry

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