Merge branch 'cherry-pick-e172a6d1' of gitlab.haskell.org:ghc/ghc into wip/ghc…

Authored by bgamari on Tue, Jun 4, 5:04 PM.

Description

Merge branch 'cherry-pick-e172a6d1' of gitlab.haskell.org:ghc/ghc into wip/ghc-8.8-merges

Merged Changes

CommitAuthorDetailsCommitted
07131494e77falpmestan/ghc-builders
Enable external interpreter when TH is requested but no internal interpreter is… 
Jun 3