* local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
	(update_equiv_regs): Likewise.
	(block_alloc): Likewise.
	* reg-stack.c (reg_to_stack): Likewise.
	(convert_regs_2): Likewise.
	* reload1.c (reload_as_needed): Likewise.

From-SVN: r30434