GHC 9.3 API panics with "No home unit"; need advice on what next

[Norman Ramsey]

Followup: I managed to get things configured to work with `cabal v2-build`,
and with this build, the app dumps STG code as expected.  I am
unblocked!


Norman


 >   nr at homedog ~/a/sandbox> cabal v1-build
 >   Resolving dependencies...
 >   Configuring sandbox-0.1.0.0...
 >   Preprocessing executable 'sandbox' for sandbox-0.1.0.0..
 >   Building executable 'sandbox' for sandbox-0.1.0.0..
 >   [1 of 1] Compiling Main             ( app/Main.hs,
 >   dist/build/sandbox/sandbox-tmp/Main.o ) [Source file changed]
 >   Linking dist/build/sandbox/sandbox ...
 >   nr at homedog ~/a/sandbox> ./dist/build/sandbox/sandbox programs/Church.hs
 >   libdir == /home/nr/asterius/ghc/_build/stage1/lib
 >   ModSummary {
 >      ms_hs_hash = 8ed607a72dd3968f1e65123b865b8572
 >      ms_mod = Church,
 >      ms_textual_imps = [(Nothing, Prelude)]
 >      ms_srcimps = []
 >   }
 >   ..............
 >   sandbox: panic! (the 'impossible' happened)
 >     GHC version 9.3.20210918:
 >           unsafeGetHomeUnit: No home unit
 > 
 >   Please report this as a GHC bug:  https://www.haskell.org/ghc/reportabug