[Bug lto/61886] [4.9/5/6 Regression] LTO breaks fread with _FORTIFY_SOURCE=2

[hubicka at gcc dot gnu.org]

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

--- Comment #42 from Jan Hubicka <hubicka at gcc dot gnu.org> ---
Author: hubicka
Date: Tue Dec  8 22:01:41 2015
New Revision: 231428

URL: https://gcc.gnu.org/viewcvs?rev=231428&root=gcc&view=rev
Log:

        PR ipa/61886
        * ipa-visibility.c (can_replace_by_local_alias): Look through
transparent
        aliaes; refuse weakrefs.
        (update_visibility_by_resolution_info): Skip transparent aliases in the
        analysis part

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/ipa-visibility.c