Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
* Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
* reg-stack.c (stack_regs_mentioned_data): Change the type to
VEC(char,heap) *.
(stack_regs_mentioned): Update the uses of
stack_regs_mentioned_data. Don't access the array beyond its
end.
(reg_to_stack): Update the uses of stack_regs_mentioned_data.
Don't include gt-reg-stack.h.