Fixes for type dependencies and tests for type deletion bug

IDE/Tests/BugW004/src/Program.bf

@@ -0,0 +1,49 @@
+#pragma warning disable 168
+
+using System;
+using System.Collections;
+
+namespace Bug
+{
+	class Program
+	{
+		class Dicto : Dictionary<int, float>
+		{
+		   
+		}
+
+		public static bool Method1<T>(IEnumerator<T> param1)
+		{
+		    return true;
+		}
+
+		public static bool Method2<TEnumerator, TElement>(TEnumerator param1) where TEnumerator : IEnumerator<TElement>
+		{
+		    for (let val in param1)
+			{
+				
+			}
+
+			return true;
+		}
+
+		public static bool Method3<K, V>(Dictionary<K, V> param1) where K : IHashable
+		{
+			Method1(param1.GetEnumerator());
+			Method1((IEnumerator<(K key, V value)>)param1.GetEnumerator());
+			//*Method3_BadCall
+		    return Method3<Dictionary<K, V>.Enumerator, (K key, V value)>(param1.GetEnumerator());
+			/*@*/
+
+			/*Method3_GoodCall
+			return Method2<Dictionary<K, V>.Enumerator, (K key, V value)>(param1.GetEnumerator());
+			*/
+		}
+
+		static void Main()
+		{
+			Dicto dicto = scope .();
+			Method3(dicto);
+		}
+	}
+}