2013-09-26 Richard Biener <rguenther@suse.de>
* alias.h (component_uses_parent_alias_set): Rename to ...
(component_uses_parent_alias_set_from): ... this.
* alias.c (component_uses_parent_alias_set): Rename to ...
(component_uses_parent_alias_set_from): ... this and return
the desired parent.
(reference_alias_ptr_type_1): Use the result from
component_uses_parent_alias_set_from instead of stripping
components one at a time.
* emit-rtl.c (set_mem_attributes_minus_bitpos): Adjust.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@202948 138bc75d-0d04-0410-961f-82ee72b054a4