| // RUN: not %clang -fsyntax-only -fno-objc-default-synthesize-properties -fobjc-default-synthesize-properties %s 2>&1 | FileCheck %s | |
| @interface I | |
| @property int P; | |
| @end | |
| @implementation I | |
| @end | |
| // CHECK: error: unknown argument: '-fno-objc-default-synthesize-properties' | |
| // CHECK: error: unknown argument: '-fobjc-default-synthesize-properties' |