1 // RUN: %clang_cc1 %s -fsyntax-only -verify 2 // PR4290 3 4 // The following declaration is not compatible with vfprintf(), but make 5 // sure this isn't an error: autoconf expects this to build. 6 char vfprintf(); // expected-warning {{incompatible redeclaration of library function 'vfprintf'}} expected-note {{'vfprintf' is a builtin}} 7