`-ddump-ds-preopt` does nothing in GHCi.
Funnily enough -ddump-ds
does work in GHCi.
I assume the core goes through a different code path for desugaring for GHCi resulting in the check for -ddump-ds-preopt
being skipped.
Funnily enough -ddump-ds
does work in GHCi.
I assume the core goes through a different code path for desugaring for GHCi resulting in the check for -ddump-ds-preopt
being skipped.