cp-tree.h (unification_kind_t): Add DEDUCE_ORDER.

cp-tree.h (unification_kind_t): Add DEDUCE_ORDER.

cp:
	* cp-tree.h (unification_kind_t): Add DEDUCE_ORDER.
	(more_specialized): Add deduction parameter.
	* call.c (joust): Adjust more_specialized call.
	* pt.c (UNIFY_ALLOW_OUTER_MORE_CV_QUAL,
	UNIFY_ALLOW_OUTER_LESS_CV_QUAL): New unify flags.
	(get_bindings_order): Remove.
	(get_bindings_real): Add DEDUCE parameter.
	(maybe_adjust_types_for_deduction): Return extra unify flags. Do
	REFERENCE_TYPE jig for DEDUCE_ORDER.
	(type_unification_real): Deal with DEDUCE_ORDER. Use result of
	maybe_adjust_types_for_deduction.
	(more_specialized): Add DEDUCE parameter. Call get_bindings_real
	directly.
	(try_one_overload): Use result of maybe_adjust_types_for_deduction.
	(check_cv_quals_for_unify): Use new unify qualifier flags.
	(unify): Clear new unify qualifier flags.
	(get_bindings_real): Add DEDUCE parameter.
	(get_bindings): Adjust call to get_bindings_real.
	(get_bindings_overload): Likewise.
	(most_specialized_instantiation): Adjust call to
	more_specialized.
testsuite:
	* g++.old-deja/g++.martin/sts_partial.C: Remove XFAIL.
	* g++.old-deja/g++.pt/spec35.C: New test.
	* g++.old-deja/g++.pt/spec36.C: New test.

From-SVN: r39182