[Bug lto/61886] [4.8/4.9/5 Regression] LTO breaks fread with _FORTIFY_SOURCE=2

[rguenther at suse dot de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61886

--- Comment #10 from rguenther at suse dot de <rguenther at suse dot de> ---
On Mon, 8 Sep 2014, hubicka at ucw dot cz wrote:

> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61886
> 
> --- Comment #9 from Jan Hubicka <hubicka at ucw dot cz> ---
> > The issue is that we resolve aliases in a bogus way, not warning/error
> > stuff.
> 
> Those are not aliases, but duplicated declarations that are supposed to not
> exist since one declaration rule was introduced in early 4.x series.
> It is bug that frotnend allowed creating them and made it part of the fortify
> interface. I still think it is better to resolve those early and start
> rejecting
> any other uses than the fortify case...

Well - whatever makes the fortify case work as expected works for me.
Note that it would be nice to fix this on the 4.9 branch as well.