UnliftedNewtypesDifficultUnification broken due to simplified subsumption
UnliftedNewtypesDifficultUnification fails due to simplified subsumption patch (!2600 (merged)) in
Compile failed (exit code 1) errors were: ghc-stage2: panic! (the 'impossible' happened) (GHC version 22.214.171.12400603: ASSERT failed! file compiler/GHC/Core/FamInstEnv.hs, line 651 Please report this as a GHC bug: https://www.haskell.org/ghc/reportabug *** unexpected failure for UnliftedNewtypesDifficultUnification(normal)
I have marked this test as broken in the interest of getting !2600 (merged) merged.
As seen in Job #356282.