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They are no longer right, as we have Haskell' generating new Haskell
standards.

I ran across this bug and took the time to fix it, closing
a long time due TODO in InteractiveEval.hs

Instead of looking around to find the enclosing declaration
of a tick, this patch makes use of the information already collected during the
coverage desugaring phase

rather then the bootstrapping compiler. This fixes problems where the
bootstrapping compiler dynamically links against libraries not on the
target machine.

Still TODO: Add the other relaxation (#1060) and update the alternative
layout rule to use the extension.

The location isn't baked into the bindist, as it may differ from
machine to machine.

Doing superclass generation in the canonicaliser (rather than
TcInteract) uses less code, and is generally more efficient.

See Note [Adding superclasses] in TcCanonical.

Fixes Trac #4497.

It was duplicated in the case of 'deriving( Functor )'
and wrong for 'deriving( Foldable )'

See Trac #4499