http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54870
--- Comment #4 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2012-10-16 22:49:13 UTC --- Author: ebotcazou Date: Tue Oct 16 22:49:07 2012 New Revision: 192517 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=192517 Log: PR rtl-optimization/54870 * tree.h (TREE_ADDRESSABLE): Document special usage on SSA_NAME. * cfgexpand.c (update_alias_info_with_stack_vars ): Set it on the SSA_NAME pointer that points to a partition if there is at least one variable with it set in the partition. * dse.c (local_variable_can_escape): New predicate. (can_escape): Call it. * gimplify.c (mark_addressable): If this is a partitioned decl, also mark the SSA_NAME pointer that points to a partition. Modified: trunk/gcc/cfgexpand.c trunk/gcc/dse.c trunk/gcc/gimplify.c trunk/gcc/tree.h
