2005-04-06 Marek Safar <marek.safar@seznam.cz>

2005-04-06  Marek Safar  <marek.safar@seznam.cz>

	* class.cs (VerifyMembers): Doesn't need EmitContext argument.
	Warning CS0169 is back at level 3.
	(IMethodData.SetMemberIsUsed): New method.

	* decl.cs (IsUsed): New value; moved from FieldBase.Status
	(SetMemberIsUsed, IsUsed): New methods, encapsulate IsUsed.

	* delegate.cs (ResolveMethodGroupExpr): Call SetMemberIsUsed.

	* ecore.cs (FieldExpr.ResolveMemberAccess): Call SetMemberIsUsed for
	contants.
	(PropertyExpr.ResolveAccessors): Call SetMemberIsUsed when delegate
	is used.

	* expression.cs (OverloadResolve): Call SetMemberIsUsed. when method
	is used.

	* rootcontext.cs (RootContext.EmitCode): Call VerifyMembers in extra run
	to avoid the problems with nested types.

svn path=/trunk/mcs/; revision=42594