Imported Upstream version 5.4.0.167

Former-commit-id: 5624ac747d633e885131e8349322922b6a59baaa

mcs/errors/cs8197.cs

@@ -0,0 +1,19 @@
+// CS8197: Cannot infer the type of implicitly-typed out variable `y'
+// Line: 9
+
+public class C
+{
+	public static void Main ()
+	{
+		dynamic target = 3;
+		var x = new Test (target, out var y);
+	}
+}
+
+class Test
+{
+	public Test (int x, out int y)
+	{
+		y = 0;
+	}
+}