* alias.c (init_alias_analysis): When simplifying the reg_base_value

        array, simplify entries for hard registers too.
From jfc.  Fixes c-torture failure on the PA.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@14869 138bc75d-0d04-0410-961f-82ee72b054a4