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      1 // RUN: %clang_cc1 -fsyntax-only -verify %s
      2 @interface NSObject @end
      3 
      4 @protocol ProtocolA
      5 
      6 + (id)classMethod;
      7 - (id)instanceMethod;
      8 
      9 @end
     10 
     11 @protocol ProtocolB <ProtocolA>
     12 
     13 @end
     14 
     15 @interface Foo : NSObject <ProtocolB>
     16 
     17 @end
     18 
     19 @interface SubFoo : Foo
     20 
     21 @end
     22 
     23 @implementation SubFoo
     24 
     25 + (id)method {
     26   return [super classMethod];
     27 }
     28 
     29 - (id)method {
     30   return [super instanceMethod];
     31 }
     32 
     33 @end
     34