slow validate failure: rule1 refineFromInScope panic

Reproduce with

hadrian/build test --freeze1  --docs=none --flavour=slow-validate --test-speed=slow --only="rule1

Compile failed (exit code 1) errors were:
ghc: panic! (the 'impossible' happened)
  GHC version 9.5.20220805:
	refineFromInScope
  InScope {wild_00 f h $trModule}
  x_avd
  Call stack:
      CallStack (from HasCallStack):
        callStackDoc, called at compiler/GHC/Utils/Panic.hs:188:37 in ghc:GHC.Utils.Panic
        pprPanic, called at compiler/GHC/Core/Opt/Simplify/Env.hs:932:30 in ghc:GHC.Core.Opt.Simplify.Env

Please report this as a GHC bug:  https://www.haskell.org/ghc/reportabug