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diff --git a/gcc/testsuite/obj-c++.dg/property/at-property-13.mm b/gcc/testsuite/obj-c++.dg/property/at-property-13.mm
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+++ b/gcc/testsuite/obj-c++.dg/property/at-property-13.mm
@@ -0,0 +1,72 @@
+/* Contributed by Nicola Pero <nicola.pero@meta-innovation.com>, October 2010.  */
+/* { dg-do run } */
+/* { dg-xfail-run-if "Needs OBJC2 ABI" { *-*-darwin* && { lp64 && { ! objc2 } } } { "-fnext-runtime" } { "" } } */
+
+/* Test retain and copy synthesized methods.  */
+
+#include <stdlib.h>
+#include <objc/objc.h>
+#include <objc/runtime.h>
+
+@interface MyRootClass
+{
+  Class isa;
+  int copy_count;
+  id a;
+  id b;
+}
+@property (copy) id a;
+@property (retain) id b;
++ (id) initialize;
++ (id) alloc;
+- (id) init;
+- (id) copyWithZone: (void *)zone;
+- (int) copyCount;
+- (id) autorelease;
+- (oneway void) release;
+- (id) retain;
+@end
+
+/* This class implements copyWithZone, which doesn't do anything other
+   than increasing a counter of how many copies were made.  */
+@implementation MyRootClass
++ (id) initialize { return self; }
++ (id) alloc { return class_createInstance (self, 0); }
+- (id) init { return self; }
+- (id) copyWithZone: (void *)zone { copy_count++; return self; }
+- (int) copyCount { return copy_count; }
+- (id) autorelease { return self; }
+- (oneway void) release { return; }
+- (id) retain { return self; }
+@synthesize a;
+@synthesize b;
+@end
+
+int main (void)
+{
+  MyRootClass *object = [[MyRootClass alloc] init];
+  MyRootClass *argument = [[MyRootClass alloc] init];
+
+  /* This should copy argument.  */
+  object.a = argument;
+  if (object.a != argument)
+    abort ();
+
+  /* Test that it was copied.  */
+  if ([object.a copyCount] != 1)
+    abort ();
+
+  /* We just test that the retain accessors seem to work and that they
+     don't copy.  We don't test that retain was actually called,
+     because if garbage collection is enabled, it may never be
+     called!  */
+  object.b = argument;
+  if (object.b != argument)
+    abort ();
+
+  /* Test that it was not copied.  */
+  if ([object.b copyCount] != 1)
+    abort ();
+
+  return (0);
+}