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      1 // RUN: %clang_cc1  -Woverriding-method-mismatch -fsyntax-only -verify -Wno-objc-root-class %s
      2 // rdar://6191214
      3 
      4 @protocol Xint
      5 -(void) setX: (int) arg0; // expected-note {{previous declaration is here}}
      6 +(int) C; // expected-note {{previous declaration is here}}
      7 @end
      8 
      9 @protocol Xfloat
     10 -(void) setX: (float) arg0; // expected-note 2 {{previous declaration is here}}
     11 +(float) C;		    // expected-note 2 {{previous declaration is here}}
     12 @end
     13 
     14 @interface A <Xint, Xfloat>
     15 @end
     16 
     17 @implementation A
     18 -(void) setX: (int) arg0 { } // expected-warning {{conflicting parameter types in declaration of 'setX:': 'float' vs 'int'}}
     19 +(int) C {return 0; } // expected-warning {{conflicting return type in declaration of 'C': 'float' vs 'int'}}
     20 @end
     21 
     22 @interface B <Xfloat, Xint>
     23 @end
     24 
     25 @implementation B 
     26 -(void) setX: (float) arg0 { } // expected-warning {{conflicting parameter types in declaration of 'setX:': 'int' vs 'float'}}
     27 + (float) C {return 0.0; } // expected-warning {{conflicting return type in declaration of 'C': 'int' vs 'float'}}
     28 @end
     29 
     30 @protocol Xint_float<Xint, Xfloat>
     31 @end
     32 
     33 @interface C<Xint_float>
     34 @end
     35 
     36 @implementation C
     37 -(void) setX: (int) arg0 { } // expected-warning {{conflicting parameter types in declaration of 'setX:': 'float' vs 'int'}}
     38 + (int) C {return 0;} // expected-warning {{conflicting return type in declaration of 'C': 'float' vs 'int'}}
     39 @end
     40