[Bug] :class="false" causes class being rendered

[wenfangdu]

Version

2.6.11

Steps to reproduce

<template>
  <div :style="false" :class="false" :foo="false">
    Lorem ipsum dolor sit amet, consectetur adipisicing elit. Laudantium modi
    repudiandae, illum sequi nemo est deleniti optio distinctio quaerat quasi
    dolores vitae aspernatur quisquam, voluptatibus quibusdam ullam, ipsum aut
    amet?
  </div>
</template>

What is expected?

Per

... If isButtonDisabled has the value of null, undefined, or false, the disabled attribute will not even be included in the rendered element..

None of foo, class, style should be rendered.

What is actually happening?

class is rendered.

[posva]

This is intended. Please search existing issues