[PATCH] fix #19444 - build failures with -O1 due to -Wmaybe-uninitialized

[Joseph Myers]

On Wed, 13 Jan 2016, H.J. Lu wrote:

> On Wed, Jan 13, 2016 at 9:46 AM, Joseph Myers
> > (I agree that -O1 and -Os builds ought to work without any extra build or
> > test failures, and preferably -O0 should work except for the specific
> > files requiring optimization.)
> 
> I opened an -Os bug:
> 
> https://sourceware.org/bugzilla/show_bug.cgi?id=15105

It would be good to have an updated list of issues seen.  I'd expect most 
such issues to be easy to fix (adding missing *_hidden_* for functions 
where PLT avoidance currently relies on inlining, for example).

-- 
Joseph S. Myers
joseph@codesourcery.com