instead use FILE pointer variables std_out_file_p and std_error_file_p,
using freopen caused problems on MacOSX with the named pipes that are
used by batchbuild to communicate with the compiler(s).

constructor argument type or field type

add instance member types in definition modules

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(to have fewer differences with the haskell frontend branch)

(to have fewer differences with the haskell frontend branch),
the conversion table for macros is not used after checking

fix type checking of existential type variables that are used by a dynamic expression,
but do not occur in the type of a dynamic pattern.
TempQDV is used for existential type variables in a dynamic pattern.

use a separate list of function and macro declarations (to have fewer differences with the branches)

but do not occur in the type of a dynamic pattern.
TempQDV is used for existential type variables in a dynamic pattern.

but do not occur in the type of a dynamic pattern.
TempQDV is used for existential type variables in a dynamic pattern.