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From: Simon Wright <simon@pushface.org>
Newsgroups: comp.lang.ada
Subject: Re: avr-ada ubuntu cross-compiler build failed
Date: Fri, 11 Feb 2011 18:16:27 +0000
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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...
>
> (search the obvious place for a comp.lang.ada thread called "AVR-Ada
> and GCC4.5.0 revisited" for more details)

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).