关于完全泛型共享
https://www.mono-project.com/docs/advanced/runtime/docs/gsharedvt/
https://blog.unity.com/engine-platform/il2cpp-full-generic-sharing-in-unity-2022-1-beta
https://hybridclr.doc.code-philosophy.com/docs/business/fullgenericsharing
不知道.net的有没有实现
Instead, we allocate a stack area for them at runtime using localloc, and dynamically compute their address when needed.