[PATCH] Fixes for a small number of compiler warnings

[Alan Modra]

On Tue, Mar 31, 2015 at 08:57:19PM -0700, H.J. Lu wrote:
> How about something like
> 
> struct bfd_link_hash_entry
>   SILENCE_UNINIT_WARNING_WITH_SELF_ASSIGN (ehdr_start_save);
> 
> We define it to self-assign only for those affect GCCs.

Heh, hide it away so it doesn't offend my sense of style?  :)
Well, maybe, but it doesn't seem worth cluttering up the source.
Nowadays -Werror is turned off by default for releases.  Perhaps we
should turn off -Werror for development if an older gcc is detected?

-- 
Alan Modra
Australia Development Lab, IBM