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