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/* Contributed by Nicola Pero <nicola.pero@meta-innovation.com>, November 2010.  */

/* { dg-do compile } */

/* Test that each @synthesize is using a different instance variable,

   and that it must belong to the class (not to a superclass).  */

#include <objc/objc.h>

@interface Test

{

  int v;

  int w;

}

@property int v1;

@property int v2;

@end

@implementation Test

@synthesize v1 = v;  /* { dg-message "originally specified here" } */

@synthesize v2 = v;  /* { dg-error "property .v2. is using the same instance variable as property .v1." } */

@end

@interface Test2 : Test

@property int w1;

@end

@implementation Test2

@synthesize w1;      /* { dg-error "ivar .w1. used by .@synthesize. declaration must be an existing ivar" } */

@end

/* { dg-warning "incomplete implementation" "" { target *-*-* } 29 } */

/* { dg-warning "method definition for .-setW1:. not found" "" { target *-*-* } 29 } */

/* { dg-warning "method definition for .-w1. not found" "" { target *-*-* } 29 } */