Method validate

src/module.cpp:824–833

}

instruction_ref module::validate() const
{
    return std::find_if(
        impl->instructions.begin(), impl->instructions.end(), [&](const instruction& i) {
            auto inputs      = i.inputs();
            bool check_order = std::all_of(
                inputs.begin(), inputs.end(), [&](auto in) { return has_instruction(in); });
            return not i.valid(impl->instructions.begin(), check_order);
        });
}

static bool is_borrowed(instruction_ref ins)
{