ReferenceError: isAntBtn is not defined

[jervainy]

版本：1.5.0-rc.3 、1.5.0-rc.4
场景:

<a-popconfirm>
    <a-button :disabled="true">xxxx</a-button>
</a-popconfirm>

APopconfirm里使用AButton将AButton设置为disabled=“true”就会报错，同时按钮也不会显示

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This issue has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs.