1 files changed, 37 insertions, 0 deletions
diff --git a/test/SemaObjC/id-isa-ref.m b/test/SemaObjC/id-isa-ref.m
new file mode 100644
index 000000000000..dc42f9a53965
--- /dev/null
+++ b/test/SemaObjC/id-isa-ref.m
@@ -0,0 +1,37 @@
+// RUN: clang-cc -fsyntax-only -verify %s
+
+// Failing currently due to Obj-C type representation changes. 2009-09-17
+// XFAIL
+
+typedef struct objc_object {
+  struct objc_class *isa;
+} *id;
+
+@interface NSObject {
+  struct objc_class *isa;
+}
+@end
+@interface Whatever : NSObject
++self;
+@end
+
+static void func() {
+ 
+  id x;
+
+  [(*x).isa self];
+  [x->isa self];
+  
+  Whatever *y;
+
+  // GCC allows this, with the following warning: 
+  //   instance variable ‘isa’ is @protected; this will be a hard error in the future
+  //
+  // FIXME: see if we can avoid the 2 warnings that follow the error.
+  [(*y).isa self]; // expected-error {{instance variable 'isa' is protected}} \
+                      expected-warning{{receiver type 'struct objc_class *' is not 'id' or interface pointer, consider casting it to 'id'}} \
+                      expected-warning{{method '-self' not found (return type defaults to 'id')}}
+  [y->isa self]; // expected-error {{instance variable 'isa' is protected}} \
+                    expected-warning{{receiver type 'struct objc_class *' is not 'id' or interface pointer, consider casting it to 'id'}} \
+                    expected-warning{{method '-self' not found (return type defaults to 'id')}}
+}