1 // RUN: %clang_cc1 %s -fsyntax-only -pedantic -verify
2 // RUN: %clang_cc1 %s -fsyntax-only -pedantic -verify -DPREDECLARE
3
4 #ifdef PREDECLARE
5 // PR16344
6 // Clang has defined 'vfprint' in builtin list. If the following line occurs before any other
7 // `vfprintf' in this file, and we getPreviousDecl()->getTypeSourceInfo() on it, then we will
8 // get a null pointer since the one in builtin list doesn't has valid TypeSourceInfo.
vfprintf(void)9 int vfprintf(void) { return 0; } // expected-warning {{requires inclusion of the header <stdio.h>}}
10 #endif
11
12 // PR4290
13 // The following declaration is compatible with vfprintf, so we shouldn't
14 // reject.
15 int vfprintf();
16 #ifndef PREDECLARE
17 // expected-warning@-2 {{requires inclusion of the header <stdio.h>}}
18 #endif
19