| // RUN: %clang_cc1 %s -fsyntax-only -verify -Wno-strict-prototypes | 
 | int f(int a) { return 0; } // expected-note {{previous definition is here}} | 
 | int f(int); | 
 | int f(int a) { return 0; } // expected-error {{redefinition of 'f'}} | 
 |  | 
 | int foo(x) { // expected-error {{parameter 'x' was not declared, defaults to 'int'; ISO C99 and later do not support implicit int}} | 
 |   return 0; | 
 | } | 
 | int x = 1; | 
 |  | 
 | extern inline int g(void) { return 0; } // expected-note{{previous definition}} | 
 | int g(void) { return 0; } // expected-error{{redefinition of a 'extern inline' function 'g' is not supported in C99 mode}} |