Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/tests/dtest-030.cs

@@ -0,0 +1,40 @@
+using System;
+
+class A<T>
+{
+}
+
+class B
+{
+	static void M1<T> (T t) where T : struct
+	{
+	}
+	
+	static void M2<T, U> (T t, U u) where U : IEquatable<T>
+	{
+	}
+	
+	static void M3<T, U> (T t, A<U> u) where U : IEquatable<T>
+	{
+	}
+
+	static void M4<T, U> (T t, IEquatable<U> u) where T : IEquatable<U>
+	{
+	}
+
+	public static void Main ()
+	{
+		dynamic d = 2;
+		M1 (d);
+		
+		M2 (d, 6);
+		M2 (4, d);
+		
+		M3 (d, new A<int> ());
+		
+		M4 (d, 6);
+		// TODO: type inference
+		//M4 (4, d);
+	}
+}
+