--- 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)