| // RUN: %clang_cc1 -fobjc-arc -isystem %S/Inputs %s -verify | |
| #include <arc-system-header.h> | |
| void f(A* a) { | |
| a->data.void_ptr = 0; | |
| a->data.a_b.b = 0; // expected-error{{'a_b' is unavailable: this system field has retaining ownership}} | |
| } | |
| // expected-note@arc-system-header.h:10{{declaration has been explicitly marked unavailable here}} |