[Bug lto/51663] LTO does not reclaim comdat-local statics

[hubicka at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51663

--- Comment #7 from Jan Hubicka <hubicka at gcc dot gnu.org> 2012-03-25 
13:28:36 UTC ---
Author: hubicka
Date: Sun Mar 25 13:28:32 2012
New Revision: 185777

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=185777
Log:
    PR lto/51663
    * varpool.c (varpool_finalize_decl): Handle toplevel_reorder here.
    (decide_is_variable_needed): Do not handle toplevel reorder here.
    * cgraph.h (varpool_can_remove_if_no_refs): Likewise.
    * ipa.c (cgraph_remove_unreachable_nodes): Remove unreachable vars
    even at -O0.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/cgraph.h
    trunk/gcc/ipa.c
    trunk/gcc/varpool.c