[Bug lto/68881] [6 Regression] UNRESOLVED/FAIL: gcc.dg/lto/attr-weakref-1 -O2 -flto

[hubicka at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68881

--- Comment #17 from Jan Hubicka <hubicka at gcc dot gnu.org> ---
Author: hubicka
Date: Mon Apr  4 09:26:29 2016
New Revision: 234708

URL: https://gcc.gnu.org/viewcvs?rev=234708&root=gcc&view=rev
Log:

        PR ipa/68881
        * cgraph.h (symtab_node::copy_visibility_from): New function.
        * symtab.c (symtab_node::copy_visibility_from): New function.
        * ipa-visibility.c (optimize_weakref): New function.
        (function_and_variable_visibility): Use it.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/cgraph.h
    trunk/gcc/ipa-visibility.c
    trunk/gcc/symtab.c