Imported Upstream version 5.10.0.69

Former-commit-id: fc39669a0b707dd3c063977486506b6793da2890

mcs/tests/test-discards-01.cs

@@ -0,0 +1,36 @@
+using System;
+
+class X
+{
+	public static void Main ()
+	{
+		string s = null;
+
+		_ = 1;
+		{
+			char _ = '4';
+		}
+
+		_ = TestValue ();
+
+		_ = _ = s;
+
+		byte k1;
+		var s1 = (k1, _) = (1, s);
+
+		Func<object> l1 = () => _ = (_, _) = (1, s);
+
+		TryGetValue (out _);
+	}
+
+	static bool TryGetValue (out int arg)
+	{
+		arg = 3;
+		return true;
+	}
+
+	static int TestValue ()
+	{
+		return 4;
+	}
+}