HLS does not update variables when working on multiple files

[Karthik-Dulam]

Your environment

stack new bug --resolver nightly-2022-11-12
This is a ghc-9.4.2 snapshot.

Which OS do you use?
ArchLinux

Which version of GHC do you use and how did you install it?
GHC 9.2.4 from Stack

How is your project built (alternative: link to the project)?
Stack build

Which LSP client (editor/plugin) do you use?
Neovim+LanguageClient-neovim and HLS-tools.
I was able to reproduce this issue on VS Code too.

Which version of HLS do you use and how did you install it?
1.8.0 from GHCup

Have you configured HLS in any way (especially: a hie.yaml file)?
No.

Steps to reproduce

Prepare a new project using stack new.
stack new bug --resolver nightly-2022-11-12
nvim app/Main.hs src/Lib.hs -p
Edit Lib.hs
data Foo = Spam | Eggs
Edit Main.hs
bug = Eggs

Expected behaviour

No error from HLS.
No error while compiling using GHC.

Actual behaviour

Data Constructor not in scope: Eggs
No error while compiling using GHC.

Debug information

[fendor]

Hi, thank you for bug report!

It sounds like a duplicate of #1822

[Karthik-Dulam]

Thank you, generating a hie.yaml using gen-hie fixed the problem.