|  | // RUN: %clang_cc1 %s -fsyntax-only -verify -fms-extensions | 
|  |  | 
|  | // rdar://6495941 | 
|  |  | 
|  | #define FOO 1 | 
|  | #define BAR "2" | 
|  |  | 
|  | #pragma comment(linker,"foo=" FOO) // expected-error {{pragma comment requires parenthesized identifier and optional string}} | 
|  | #pragma comment(linker," bar=" BAR) | 
|  |  | 
|  | #pragma comment( user, "Compiled on " __DATE__ " at " __TIME__ ) | 
|  |  | 
|  | #pragma comment(foo)    // expected-error {{unknown kind of pragma comment}} | 
|  | #pragma comment(compiler,)     // expected-error {{pragma comment requires}} | 
|  | #define foo compiler | 
|  | #pragma comment(foo)   // macro expand kind. | 
|  | #pragma comment(foo) x // expected-error {{pragma comment requires}} | 
|  |  | 
|  | #pragma comment(user, "foo\abar\nbaz\tsome	thing") | 
|  |  |