Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/tests/test-741-lib.cs

@@ -0,0 +1,22 @@
+// Compiler options: -target:library
+
+public interface IA
+{
+	string Prop { get; }
+}
+
+public interface IAA
+{
+	char NestedProp { set; }
+}
+
+public interface IB : IAA
+{
+	bool Prop { get; }
+	long NestedProp { set; }
+}
+
+public interface IFoo : IA, IB
+{
+	int Prop { get; }
+}