1f4a2713aSLionel Sambuc// RUN: %clang_cc1 -fobjc-arc -isystem %S/Inputs %s -verify 2f4a2713aSLionel Sambuc 3f4a2713aSLionel Sambuc#include <arc-system-header.h> 4f4a2713aSLionel Sambuc 5f4a2713aSLionel Sambucvoid f(A* a) { 6f4a2713aSLionel Sambuc a->data.void_ptr = 0; 7f4a2713aSLionel Sambuc a->data.a_b.b = 0; // expected-error{{'a_b' is unavailable: this system field has retaining ownership}} 8f4a2713aSLionel Sambuc} 9*0a6a1f1dSLionel Sambuc// expected-note@arc-system-header.h:10{{'a_b' has been explicitly marked unavailable here}} 10