gh72_errors.m:043: Error: the C code for `test_export_1'/3 cannot be exported
gh72_errors.m:043:   to C as `exported_test_export_1', because
gh72_errors.m:043:   `test_export_1'/3 has a nonstandard and undocumented
gh72_errors.m:043:   calling convention due to interactions between its use of
gh72_errors.m:043:   partially instantiated data structures and the
gh72_errors.m:043:   `direct_arg' data representation optimization.
gh72_errors.m:055: Error: the C code for `test_export_2'/5 cannot be exported
gh72_errors.m:055:   to C as `exported_test_export_2', because
gh72_errors.m:055:   `test_export_2'/5 has a nonstandard and undocumented
gh72_errors.m:055:   calling convention due to interactions between its use of
gh72_errors.m:055:   partially instantiated data structures and the
gh72_errors.m:055:   `direct_arg' data representation optimization.
gh72_errors.m:082: Error: a procedure implemented using a
gh72_errors.m:082:   `:- pragma foreign_proc' declaration may not have any
gh72_errors.m:082:   arguments whose types use the `direct_arg' data
gh72_errors.m:082:   representations optimization, and whose modes indicate
gh72_errors.m:082:   that they fill in partially instantiated terms. Argument 1
gh72_errors.m:082:   of predicate `direct_arg_in_out_0_test_fproc_1'/3 mode 0
gh72_errors.m:082:   violates this prohibition.
gh72_errors.m:093: Error: a procedure implemented using a
gh72_errors.m:093:   `:- pragma foreign_proc' declaration may not have any
gh72_errors.m:093:   arguments whose types use the `direct_arg' data
gh72_errors.m:093:   representations optimization, and whose modes indicate
gh72_errors.m:093:   that they fill in partially instantiated terms. Arguments
gh72_errors.m:093:   2 and 3 of predicate `direct_arg_in_out_0_test_fproc_2'/5
gh72_errors.m:093:   mode 0 violate this prohibition.