diff options
Diffstat (limited to 'test/SemaObjC/id-isa-ref.m')
-rw-r--r-- | test/SemaObjC/id-isa-ref.m | 37 |
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')}} +} |