1// RUN: rm -rf %t.mcp 2// RUN: %clang_cc1 -fmodules-cache-path=%t.mcp -fmodules -fimplicit-module-maps -F %S/Inputs -fobjc-arc %s -verify 3 4@import Module; 5 6__attribute__((objc_root_class)) 7@interface Test 8// rdar://19904648 9// The diagnostic will try to find a suitable macro name to use (instead of raw __attribute__). 10// While iterating through the macros it would dereference a null pointer if the macro was undefined in the same module as it was originally defined in. 11@property (assign) id newFile; // expected-error {{property follows Cocoa naming convention for returning 'owned' objects}} \ 12 // expected-note {{explicitly declare getter '-newFile' with '__attribute__((objc_method_family(none)))' to return an 'unowned' object}} 13@end 14 15@implementation Test 16@end 17