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Re: optimization/5040: g++-3.0.2: -O causes variables from different stack frames to overlap
- From: Richard Henderson <rth at redhat dot com>
- To: Jeremy Barnes <jeremy dot barnes at idilia dot com>
- Cc: rth at gcc dot gnu dot org, gcc-bugs at gcc dot gnu dot org, gcc-prs at gcc dot gnu dot org, nobody at gcc dot gnu dot org, gcc-gnats at gcc dot gnu dot org
- Date: Wed, 3 Apr 2002 10:32:19 -0800
- Subject: Re: optimization/5040: g++-3.0.2: -O causes variables from different stack frames to overlap
- References: <20020403094155.15409.qmail@sources.redhat.com> <20020403162239.QKOF17738.tomts7-srv.bellnexxia.net@there>
On Wed, Apr 03, 2002 at 11:22:59AM -0500, Jeremy Barnes wrote:
> I don't have the time currently to bootstrap a CVS version of 3.1. I do have
> some code (the relevent parts of our app distilled into a single source file)
> that still reproduces the problem under 3.0.3. I can send it to an
> individual developer, but would prefer not to send it to a public mailing
> list. Respond if you are interested.
I'd like to look at it.
> My suspicion is that it won't show up in 3.1 using this source file, as the
> example is extremely brittle. If this is the case, then the only way to be
> sure it is fixed and not hiding, would be to diagnose it back on the 3.0.2
> branch, figure out where the problem was, and then look to see if it was
> fixed in 3.1. Sounds arduous...
Hmm, yes...
r~