--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/clang/test/SemaObjC/qualified-protocol-method-conflicts.m	Thu Feb 13 15:10:13 2020 +0900
@@ -0,0 +1,39 @@
+// RUN: %clang_cc1  -Woverriding-method-mismatch -fsyntax-only -verify -Wno-objc-root-class %s
+// rdar://6191214
+
+@protocol Xint
+-(void) setX: (int) arg0; // expected-note {{previous declaration is here}}
++(int) C; // expected-note {{previous declaration is here}}
+@end
+
+@protocol Xfloat
+-(void) setX: (float) arg0; // expected-note 2 {{previous declaration is here}}
++(float) C;		    // expected-note 2 {{previous declaration is here}}
+@end
+
+@interface A <Xint, Xfloat>
+@end
+
+@implementation A
+-(void) setX: (int) arg0 { } // expected-warning {{conflicting parameter types in declaration of 'setX:': 'float' vs 'int'}}
++(int) C {return 0; } // expected-warning {{conflicting return type in declaration of 'C': 'float' vs 'int'}}
+@end
+
+@interface B <Xfloat, Xint>
+@end
+
+@implementation B 
+-(void) setX: (float) arg0 { } // expected-warning {{conflicting parameter types in declaration of 'setX:': 'int' vs 'float'}}
++ (float) C {return 0.0; } // expected-warning {{conflicting return type in declaration of 'C': 'int' vs 'float'}}
+@end
+
+@protocol Xint_float<Xint, Xfloat>
+@end
+
+@interface C<Xint_float>
+@end
+
+@implementation C
+-(void) setX: (int) arg0 { } // expected-warning {{conflicting parameter types in declaration of 'setX:': 'float' vs 'int'}}
++ (int) C {return 0;} // expected-warning {{conflicting return type in declaration of 'C': 'float' vs 'int'}}
+@end