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

[hubicka at ucw dot cz]

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

--- Comment #31 from Jan Hubicka <hubicka at ucw dot cz> ---
> So, do we really want to go without this fixed again, for GCC 5?  Honza?  After
> all this is an underlying wrong-code issue!  (wrong function is picked as
> prevailing)

Well, I have only two hands and do not see reasonably simple solution. Will
look into it
again.  How this cause wrong code?

Honza