|  | // RUN: %clang_cc1 -fsyntax-only -verify %s | 
|  |  | 
|  | struct s; // expected-note 7 {{forward declaration of 'struct s'}} | 
|  |  | 
|  | // standard string matching | 
|  | struct s s1; // expected-error {{tentative definition has type 'struct s' that is never completed}} | 
|  | struct s s2; // expected-error {{tentative definition has type}} | 
|  |  | 
|  | // regex matching | 
|  | struct s r1; // expected-error    {{tentative definition has type 'struct s' that is never completed}} | 
|  | struct s r2; // expected-error-re {{tentative definition has type '{{.*[[:space:]]*.*}}' that is never completed}} | 
|  | struct s r3; // expected-error-re {{tentative definition has type '{{(.*)[[:space:]]*(.*)}}' that is never completed}} | 
|  | struct s r4; // expected-error-re {{{{^}}tentative}} | 
|  | struct s r5; // expected-error-re {{completed{{$}}}} |