Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/tests/gtest-lambda-22.cs

@@ -0,0 +1,30 @@
+using System.Linq;
+
+//
+// This is a lambda test for situation when parent is infering return types and child not
+//
+
+public class Product
+{
+	public int CategoryID;
+	public decimal UnitPrice;
+}
+
+class MainClass
+{
+	public static void Main ()
+	{
+		Product[] products = new[] {
+			new Product { CategoryID = 1, UnitPrice = 1m }
+		};
+
+		var categories = from p in products
+						 group p by p.CategoryID into g
+						 select new {
+							 g,
+							 ExpensiveProducts = from p2 in g
+												 where (p2.UnitPrice > g.Average (p3 => p3.UnitPrice))
+												 select p2
+						 };
+	}
+}