Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/errors/cs1750-4.cs

@@ -0,0 +1,23 @@
+// CS1750: Optional parameter expression of type `null' cannot be converted to parameter type `A'
+// Line: 8
+
+using System;
+
+class GenericClass<T>
+{
+	public GenericClass (GenericClass<T> g = null, A a = null)
+	{
+	}
+}
+
+class DerivedClass<T> : GenericClass<T>
+{
+	public DerivedClass (GenericClass<T> g) : base(g)
+	{
+	}
+}
+
+public struct A
+{
+	public int Field;
+}