|  | // RUN: %clang_analyze_cc1 %s \ | 
|  | // RUN:   -analyzer-checker=core \ | 
|  | // RUN:   -analyzer-checker=nullability.NullReturnedFromNonnull | 
|  |  | 
|  | // RUN: %clang_analyze_cc1 %s \ | 
|  | // RUN:   -analyzer-checker=osx.cocoa.RetainCount \ | 
|  | // RUN:   -analyzer-list-enabled-checkers \ | 
|  | // RUN:   2>&1 | FileCheck %s -check-prefix=CHECK-IMPLICITLY-ENABLED | 
|  |  | 
|  | // CHECK-IMPLICITLY-ENABLED: osx.cocoa.RetainCountBase | 
|  | // CHECK-IMPLICITLY-ENABLED: osx.cocoa.RetainCount | 
|  |  | 
|  | // RUN: %clang_analyze_cc1 %s \ | 
|  | // RUN:   -analyzer-checker=osx.cocoa.RetainCount \ | 
|  | // RUN:   -analyzer-disable-checker=osx.cocoa.RetainCountBase \ | 
|  | // RUN:   -analyzer-list-enabled-checkers \ | 
|  | // RUN:   2>&1 | FileCheck %s -check-prefix=CHECK-IMPLICITLY-DISABLED | 
|  |  | 
|  | // CHECK-IMPLICITLY-DISABLED-NOT: osx.cocoa.RetainCountBase | 
|  | // CHECK-IMPLICITLY-DISABLED-NOT: osx.cocoa.RetainCount |