r234708 - in /trunk/gcc: ChangeLog cgraph.h ipa...

Mon Apr 4 09:26:00 GMT 2016

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