* config/alpha/alpha.c (alpha_free_machine_status): New.
(override_options): Install it.
(alpha_mark_machine_status): Verify machine non-null.
* config/i386/i386.c (ix86_free_machine_status): New.
(override_options): Install it.
(ix86_init_machine_status): Use xcalloc.
(ix86_mark_machine_status): Verify machine non-null.
* config/ia64/ia64.c (ia64_free_machine_status): New.
(ia64_override_options): Install it.
(ia64_mark_machine_status): Verify machine non-null.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@38877
138bc75d-0d04-0410-961f-
82ee72b054a4