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/* { dg-do compile } */

#include "../objc-obj-c++-shared/TestsuiteObject.h"

@protocol Foo

- (id)meth1;

- (id)meth2:(int)arg;

@end

@interface Derived1: TestsuiteObject

@end

@interface Derived2: TestsuiteObject

+ (Derived1 *)new;

@end

id func(void) {

  TestsuiteObject *o = [TestsuiteObject new];

  return o;  /* { dg-warning "class .TestsuiteObject. does not implement the .Foo. protocol" } */

}

@implementation Derived2

+ (Derived1 *)new {

  Derived2 *o = [super new];

  return o;  /* { dg-warning "distinct Objective\\-C type in return" } */

}

@end