--- ghc-9.2.1/hadrian/hadrian.cabal~ 2021-10-29 04:41:34.000000000 +0800
+++ ghc-9.2.1/hadrian/hadrian.cabal 2021-11-01 15:02:49.625656704 +0800
@@ -162,5 +162,5 @@
-- 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