1 files changed, 19 insertions, 0 deletions
diff --git a/gcc/testsuite/obj-c++.dg/class-extension-4.mm b/gcc/testsuite/obj-c++.dg/class-extension-4.mm
new file mode 100644
index 000000000..9e19aa70d
--- /dev/null
+++ b/gcc/testsuite/obj-c++.dg/class-extension-4.mm
@@ -0,0 +1,19 @@
+/* Contributed by Nicola Pero <nicola.pero@meta-innovation.com>, December 2010.  */
+/* { dg-do compile } */
+
+/* This test tests you can not declare a class extension after the class @implementation.  */
+
+#include <objc/objc.h>
+
+@interface MyObject
+{
+  Class isa;
+}
+@end
+
+@implementation MyObject
+@end
+
+@interface MyObject () /* { dg-error "class extension for class .MyObject. declared after its ..implementation." } */
+- (void) test;
+@end