Make sure both protocol classes are available before resolving protocols.

Protocol2.m

@@ -4,12 +4,6 @@
 #include <stdio.h>
 #include <string.h>
 
-@implementation Protocol2 
-+ (void)load
-{
-	objc_clear_class_flag(self, objc_class_flag_plane_aware);
-}
-@end
 @implementation Protocol
 + (void)load
 {
@@ -22,6 +16,12 @@
 	return protocol_conformsToProtocol(self, p);
 }
 @end
+@implementation Protocol2 
++ (void)load
+{
+	objc_clear_class_flag(self, objc_class_flag_plane_aware);
+}
+@end
 
 /**
  * This class exists for the sole reason that the legacy GNU ABI did not

protocol.c

@@ -152,7 +152,7 @@ static BOOL init_protocols(struct objc_protocol_list *protocols)
 		protocol_class = objc_getClass("Protocol");
 		protocol_class2 = objc_getClass("Protocol2");
 	}
-	if (nil == protocol_class2)
+	if (nil == protocol_class2 || nil == protocol_class)
 	{
 		return NO;
 	}