Imported Upstream version 5.10.0.47

Former-commit-id: d0813289fa2d35e1f8ed77530acb4fb1df441bc0

mcs/errors/cs8152.cs

@@ -0,0 +1,14 @@
+// CS8152: `C' does not implement interface member `IA.Foo()' and the best implementing candidate `C.Foo()' return type `void' does not return by reference
+// Line: 11
+
+interface IA
+{
+	ref char Foo ();
+}
+
+public class C : IA
+{
+	public void Foo ()
+	{
+	}
+}