unexpected failure for PackageTests/ProfShared/setup.test.hs on GHC 9.0.2 #11387
Description
e.g. https://github.com/haskell/cabal/actions/runs/20713911643/job/59460473727?pr=11369
2026-01-05T11:48:28.3498758Z Running: /home/runner/.ghcup/bin/ghc '-package-env=-' --make -fbuilding-cabal-package -O -prof -fprof-auto-exported -osuf p_o -hisuf p_hi -outputdir setup.dist/work/dist/build -odir setup.dist/work/dist/build -hidir setup.dist/work/dist/build -hiedir setup.dist/work/dist/build/extra-compilation-artifacts/hie -stubdir setup.dist/work/dist/build -i -i. -isetup.dist/work/dist/build -isetup.dist/work/dist/build/autogen -isetup.dist/work/dist/build/global-autogen -Isetup.dist/work/dist/build/autogen -Isetup.dist/work/dist/build/global-autogen -Isetup.dist/work/dist/build -optP-include -optPsetup.dist/work/dist/build/autogen/cabal_macros.h -this-unit-id prof-shared-0.1 -hide-all-packages -Wmissing-home-modules -no-user-package-db -package-db setup.dist/work/dist/package.conf.inplace -package-id base-4.15.1.0 -XHaskell98 Lib
2026-01-05T11:48:28.3503607Z [1 of 1] Compiling Lib ( Lib.hs, setup.dist/work/dist/build/Lib.p_o )
2026-01-05T11:48:28.3503998Z
2026-01-05T11:48:28.3504283Z Lib.hs:1:8: error:
2026-01-05T11:48:28.3505920Z ##[error] Could not find module ‘Prelude’
2026-01-05T11:48:28.3507496Z Perhaps you haven't installed the profiling libraries for package ‘base-4.15.1.0’?
2026-01-05T11:48:28.3508201Z Use -v (or `:set -v` in ghci) to see a list of the files searched for.
2026-01-05T11:48:28.3508655Z |
2026-01-05T11:48:28.3508884Z 1 | module Lib where
2026-01-05T11:48:28.3509153Z | ^^^
something have changed about how GHC is supplied (haskell-actions maybe?) and we don't get a profiling base for free now?..