Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/build/common/basic-profile-check.cs

@@ -0,0 +1,25 @@
+class X {
+	// Check installed compiler
+	static void Generic<T> ()
+	{
+		// we use 'var' all around in the compiler sources
+		var x = new X ();
+	}
+	
+	void DefaultParametersAvailable (int i = 3)
+	{
+	}
+
+	static int Main ()
+	{
+		// Check installed mscorlib
+		// Type is included in Mono 2.4+, and .NET 3.5 SP1
+		object o = typeof (System.Runtime.InteropServices.AllowReversePInvokeCallsAttribute);
+		
+		// It should crash but double check it in case of very old old runtime
+		if (o == null)
+			return 1;
+
+		return 0;
+	}
+}