// RUN: %clang_cc1 -fsyntax-only -verify -Wno-objc-root-class %s @interface SomeClass @end int fn1(SomeClass *obj) { obj->privateIvar = 1; // expected-error {{'SomeClass' does not have a member named 'privateIvar}} return obj->publicIvar; // expected-error {{'SomeClass' does not have a member named 'publicIvar'}} } @interface SomeClass () { // @private by default int privateIvar; @public int publicIvar; } @end int fn2(SomeClass *obj) { obj->publicIvar = 1; return obj->publicIvar // ok + obj->privateIvar; // expected-error {{instance variable 'privateIvar' is private}} } @implementation SomeClass int fn3(SomeClass *obj) { obj->privateIvar = 2; return obj->publicIvar // ok + obj->privateIvar; // ok } @end @interface SomeClass (Category) { int categoryIvar; // expected-error {{instance variables may not be placed in categories}} } @end @interface SomeClass (Category1) { } @end