r180292 - in /trunk/gcc: ChangeLog cgraph.c cgr...

[hubicka@gcc.gnu.org]

Author: hubicka
Date: Fri Oct 21 11:04:20 2011
New Revision: 180292

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=180292
Log:
	* cgraph.c (dump_cgraph_node): Dump alias flag.
	* cgraphunit.c (handle_alias_pairs): Handle weakrefs with no destination.
	(get_alias_symbol): New function.
	(output_weakrefs): Output also weakrefs with no destinatoin.
	(lto_output_node): Output weakref alias flag when at function boundary.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/cgraph.c
    trunk/gcc/cgraphunit.c
    trunk/gcc/lto-cgraph.c
    trunk/gcc/lto/lto.c