INSTANCE_TYPEABLEx now missing in GHC

[Donald Bruce Stewart]

vadim:
> Dear all,
> 
> I installed latest GHC version 6.5.20051102, and then, when compiling
> 'hs-plugins', I got an error about  INSTANCE_TYPEABLE.
> 
> Those were previously defined in 'Typeable.h' file, and copying its
> definition from older version makes things work.
> 
> Is that change intentional?

This is unfortunate, since we re-derive Typeable, this breaks hs-plugins.

Probably a better fix would be to solve the problem that caused us to
need to rederive Typeable in the first place -- type keys not matching
between static and dynamic code.

-- Don