Added.

From-SVN: r39459

gcc/testsuite/objc/execute/bycopy-1.m

+/*
+ * Contributed by Nicola Pero <nicola@brainstorm.co.uk>
+ * Fri Feb  2 11:48:01 GMT 2001
+ */
+
+#include <objc/objc.h>
+#include <objc/Protocol.h>
+
+@protocol MyProtocol
+- (bycopy id) bycopyMethod;
+@end
+
+int main (void)
+{
+  [nil bycopyMethod];
+
+   exit (0);
+}
+
+

gcc/testsuite/objc/execute/bycopy-2.m

+/*
+ * Contributed by Nicola Pero <nicola@brainstorm.co.uk>
+ * Fri Feb  2 11:48:01 GMT 2001
+ */
+
+#include <objc/objc.h>
+#include <objc/Object.h>
+#include <objc/Protocol.h>
+
+@protocol MyProtocol
++ (bycopy id<MyProtocol>) bycopyMethod;
+@end
+
+@interface MyObject : Object <MyProtocol> 
+@end
+
+@implementation MyObject
++ (bycopy id<MyProtocol>) bycopyMethod
+{
+  return [MyObject alloc];
+}
+@end
+
+int main (void)
+{
+  MyObject *object;
+
+  object = [MyObject bycopyMethod];
+
+   exit (0);
+}
+
+