r168666 - in /trunk/gcc: ChangeLog lto-streamer...

[hubicka@gcc.gnu.org]

Author: hubicka
Date: Tue Jan 11 17:29:52 2011
New Revision: 168666

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=168666
Log:

	PR lto/45721
	PR lto/45375
	* tree.h (symbol_alias_set_t): Move typedef here from varasm.c
	(symbol_alias_set_destroy, symbol_alias_set_contains,
	propagate_aliases_backward): Declare.
	* lto-streamer-out.c (struct sets): New sturcture.
	(trivally_defined_alias): New function.
	(output_alias_pair_p): Rewrite.
	(output_unreferenced_globals): Fix output of alias pairs.
	(produce_symtab): Likewise.
	* ipa.c (function_and_variable_visibility): Set weak alias destination
	as needed in lto.
	* varasm.c (symbol_alias_set_t): Remove.
	(symbol_alias_set_destroy): Export.
	(propagate_aliases_forward, propagate_aliases_backward): New functions
	based on ...
	(compute_visible_aliases): ... this one; remove.
	(trivially_visible_alias): New
	(trivially_defined_alias): New.
	(remove_unreachable_alias_pairs): Rewrite.
	(finish_aliases_1): Reorganize code checking if alias is defined.
	* passes.c (rest_of_decl_compilation): Do not call assemble_alias when
	in LTO mode.

	* lto.c (partition_cgraph_node_p, partition_varpool_node_p): Weakrefs are
	not partitioned.

	* testsuite/gcc.dg/lto/pr45721_1.c: New file.
	* testsuite/gcc.dg/lto/pr45721_0.c: New file.

Added:
    trunk/gcc/testsuite/gcc.dg/lto/pr45721_0.c
    trunk/gcc/testsuite/gcc.dg/lto/pr45721_1.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/lto-streamer-out.c
    trunk/gcc/lto/ChangeLog
    trunk/gcc/lto/lto.c
    trunk/gcc/passes.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree.h
    trunk/gcc/varasm.c