1 // RUN: %clang_cc1 -triple x86_64-apple-macosx10.8.0 -fobjc-runtime=macosx-10.8.0 -fsyntax-only -Wunused-function %s > %t.nonarc 2>&1 2 // RUN: %clang_cc1 -triple x86_64-apple-macosx10.8.0 -fobjc-runtime=macosx-10.8.0 -fsyntax-only -Wunused-function -fobjc-arc %s > %t.arc 2>&1 3 // RUN: FileCheck -input-file=%t.nonarc %s 4 // RUN: FileCheck -input-file=%t.arc -check-prefix=ARC %s 5 6 static void bar() {} // Intentionally unused. 7 8 void foo(id self) { 9 __weak id weakSelf = self; 10 } 11 12 // CHECK: 9:13: warning: __weak attribute cannot be specified on an automatic variable when ARC is not enabled 13 // CHECK: 6:13: warning: unused function 'bar' 14 // CHECK: 2 warnings generated 15 // ARC: 6:13: warning: unused function 'bar' 16 // ARC: 1 warning generated 17
