Compatibility patch for Rocq PR #22272#864
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With folded global fixpoints, independently elaborated copies of the
same dependent-type-functor type no longer agree syntactically:
- In canon.v's {LOCALx,PROPx_args,PROPx}_super_non_expansive, the
Forall hypothesis carries binder types like
[_functor (dependent_type_functor_rec ts (ConstType environ)) mpred]
in folded (reducible) form, so auto's [simple apply H0] can no
longer match the goal; strengthen [f_equal; auto] with an explicit
[apply H0] (a no-op wherever auto already closes everything).
- start_function1's [simpl rmaps.dependent_type_functor_rec] cannot
reach the folded occurrences inside the convoy-pattern match return
annotations of ND funspecs, so the dependent-types argument stays
mentioned in the goal; make [clear DependedTypeList] optional.
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Compatibility patch for the proposed Rocq change: rocq-prover/rocq#22272