Fix #72678.

* mcs/expression.cs (Argument.Resolve): Handle a case of CS0120 here.
* errors/cs0120-5.cs: New test from #72678.

svn path=/trunk/mcs/; revision=40860

1 files changed, 33 insertions, 0 deletions

diff --git a/mcs/errors/cs0120-5.cs b/mcs/errors/cs0120-5.cs
new file mode 100644
index 00000000000..17f49b9f39b
--- /dev/null
+++ b/mcs/errors/cs0120-5.cs
@@ -0,0 +1,33 @@
+// cs0120.cs: error CS0120: An object reference is required for the non-static field `Account'
+// Line: 28
+
+using System;
+
+namespace Babble.Protocol
+{
+	public class Query
+	{
+		public Query(Account a)
+		{
+		}
+	}
+
+	public class Account
+	{
+	}
+	
+	public class Auth
+	{
+		public Account Account
+		{
+			get { return null; }
+		}
+		
+		private class AuthQuery : Query
+		{
+			public AuthQuery() : base(Account)
+			{
+			}
+		}
+	}
+}