--- ghc-9.4.1/hadrian/hadrian.cabal~ 2022-08-07 12:00:38.000000000 +0800 +++ ghc-9.4.1/hadrian/hadrian.cabal 2022-08-10 19:54:33.335164261 +0800 @@ -173,7 +173,7 @@ -- waiting for external processes -- * -qg: Don't use parallel GC as the synchronization -- time tends to eat any benefit. - "-with-rtsopts=-I0 -qg" + "-with-rtsopts=-I0" -threaded if flag(selftest)