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-rw-r--r--hadrian/src/Settings/Builders/RunTest.hs2
1 files changed, 1 insertions, 1 deletions
diff --git a/hadrian/src/Settings/Builders/RunTest.hs b/hadrian/src/Settings/Builders/RunTest.hs
index 611cf54c6a..76dc04133a 100644
--- a/hadrian/src/Settings/Builders/RunTest.hs
+++ b/hadrian/src/Settings/Builders/RunTest.hs
@@ -43,7 +43,7 @@ runTestGhcFlags = do
-- Take flags to send to the Haskell compiler from test.mk.
-- See: https://github.com/ghc/ghc/blob/master/testsuite/mk/test.mk#L37
unwords <$> sequence
- [ pure " -dcore-lint -dstg-lint -dcmm-lint -no-user-package-db -rtsopts"
+ [ pure " -dcore-lint -dstg-lint -dcmm-lint -no-user-package-db -fno-dump-with-ways -rtsopts"
, pure ghcOpts
, pure ghcExtraFlags
, ifMinGhcVer "711" "-fno-warn-missed-specialisations"