Method is_live

Tools/cases_generator/stack.py:459–466

(var: Local)

    @staticmethod
    def is_live(var: Local) -> bool:
        return (
            var.name != "unused" and
            (
                var.in_local or
                var.memory_offset is not None
            )
        )

    def clear_inputs(self, reason:str) -> None:
        while len(self.inputs) > self.peeks: