Array of a class type does not get completion

[esarver]

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?

Completion

Expected Behaviour

Definition file (In workspace)

---@meta

---@class A
---@field a fun()
---@field b number
local A {
 a = function() end,
 b = 0.0,
}

---@type A[]
x = {}

Implementation file

x[1]. -- Should provide a completion for x.a and x.b

Actual Behaviour

Definition file (In workspace)

---@meta

---@class A
---@field a fun()
---@field b number
local A {
 a = function() end,
 b = 0.0,
}

---@type A[]
x = {}

Implementation file

x[1]. -- I only see fallback text completion here

Reproduction steps

Use the example files above, do a CTRL+SPACE (request completion) on after the ..

Additional Notes

This appears to work in version 3.6.4, but is broken in all versions after that.

Log File

No response