|  | // If response file does not exist, '@file; directive remains unexpanded in | 
|  | // command line. | 
|  | // | 
|  | // RUN: not %clang @%S/Inputs/inexistent.rsp -### 2>&1 | FileCheck --check-prefix=INEXISTENT %s | 
|  | // INEXISTENT: @{{.*}}Inputs/inexistent.rsp | 
|  |  | 
|  | // As the above case but '@file' is in response file. | 
|  | // | 
|  | // RUN: not %clang @%S/Inputs/inc-inexistent.rsp -### 2>&1 | FileCheck --check-prefix=INEXISTENT2 %s | 
|  | // INEXISTENT2: @{{.*}}inexistent.txt | 
|  |  | 
|  | // If file in `@file` is a directory, it is an error. | 
|  | // | 
|  | // RUN: not %clang @%S/Inputs -### 2>&1 | FileCheck --check-prefix=DIRECTORY %s | 
|  | // DIRECTORY: cannot not open file '{{.*}}Inputs': {{[Ii]}}s a directory |