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From: Simon Wright <simon@pushface.org>
Newsgroups: comp.lang.ada
Subject: Re: avr-ada ubuntu cross-compiler build failed
Date: Sat, 12 Feb 2011 13:27:37 +0000
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Date: 2011-02-12T13:27:37+00:00
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Brian Drummond <brian_drummond@btconnect.com> writes:

> On Fri, 11 Feb 2011 18:16:27 +0000, Simon Wright <simon@pushface.org> wrote:
>
>>Brian Drummond <brian_drummond@btconnect.com> writes:
>>
>>> My dreams of success were short-lived, though, when someone pointed
>>> out a catastrophic bug in GCC4.5.0 targeting the AVR...
>
>>Actually, this bug is also present in gcc version 4.6.0 20110203
>>(experimental) [trunk revision 157963] for x86_64-apple-darwin10.
>>
>>I've updated bugzilla
>>(http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46192).
>>
>>The problem is there at -O2, goes away at -O1 (and -O0).
>
> Do you happen to know if this applies ("goes away at -O1") in GCC4.5 too, or
> just 4.6?
>
> (If so, I may stick with 4.5.0 and -O1 for the time being, until I run out of
> space)

Yes, it does. (on x86_64-apple-darwin10).

Are you sure this is really a problem for you? It's that pragma Volatile
isn't retained *through a renaming*. Do you have to rename?