builderror xorg-server-1.11.4 with gcc-4.7.0

[Eirik Byrkjeflot Anonsen]

Sérgio Basto <sergio at serjux.com> writes:

> On Fri, 2012-03-30 at 02:53 +0200, Stephan Raue wrote: 
>> its similiar to https://bugs.gentoo.org/show_bug.cgi?id=402285 :
>> 
>> using -O2 instead -O3 solves the build problem.
>
> Changing optimization shouldn't change compile behavior (though), 

Higher optimization levels can lead to the compiler doing deeper
analysis of the code.  Which in turn can enable it to detect more
potential problems.

eirik