`gcinfo` is not defined in standard library

How are you using the lua-language-server?

Visual Studio Code Extension (sumneko.lua)

Which OS are you using?

Windows

What is the issue affecting?

Libraries

Expected Behaviour

gcinfo ought to exist in Lua 5.1 (although it is deprecated).

https://www.lua.org/manual/5.1/manual.html#7.2

Probably somewhere here?

https://github.com/LuaLS/lua-language-server/blob/802e13ccac1153c32b90e6f203fa482fff7a603e/meta/template/basic.lua#L37-L43

Actual Behaviour

Reproduction steps

1. Set "runtime.version": "Lua 5.1"
2. Write gcinfo
3. See that it is not defined

Additional Notes

No response

Log File

No response

meta/template/basic.lua の37-43行あたりから始め、標準ライブラリの定義を、issue でリンクされている Lua 5.1 マニュアルのセクションと比較してください。runtime.version を Lua 5.1 に設定して再現し、その後 gcinfo が認識されることを確認してください。