2004-09-28 Martin Baulig <martin@ximian.com>

2004-09-28  Martin Baulig  <martin@ximian.com>

	* generic.cs
	(GenericConstraints.EffectiveBaseClass): New public property.
	(TypeParameter.GenericConstraints): New public property.
	(ConstructedType.CheckConstraints): Improved.

	* convert.cs (Convert.TypeParam_EffectiveBaseType): New private method.
	(Convert.TypeParameterConversion): New private method; use this in
	ImplicitReferenceConversion() and ImplicitReferenceConversionExists()
	for all conversions related to type parameters.

svn path=/trunk/mcs/; revision=34463