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. 6char vfprintf(); // expected-warning {{incompatible redeclaration of library function 'vfprintf'}} expected-note {{'vfprintf' is a builtin}} 7