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compiler/polymorphism.m:
Abort if there is a polymorphic unification that is in
a partially instantiated mode. This error should be
caught earlier (probably during mode analysis), but it's
best to abort rather than just go ahead and generate
bad code.
tests/invalid/polymorphic_unification.m:
tests/invalid/polymorphic_unification.err_exp:
A test case for the above change.
tests/invalid/Mmakefile:
Turn this test case on.
21 lines
244 B
Mathematica
21 lines
244 B
Mathematica
:- module polymorphic_unification.
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:- interface.
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:- import_module io.
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:- pred main(io__state::di, io__state::uo) is det.
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:- implementation.
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main -->
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[].
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:- import_module list.
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:- pred p(T, T).
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:- mode p(in, list_skel->dead).
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p(X, X).
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