1 // RUN: %clang_cc1 -fsyntax-only -verify -Wmissing-prototypes -std=c++11 %s
2 
3 void f() { } // expected-warning {{no previous prototype for function 'f'}}
4 
5 namespace NS {
6   void f() { } // expected-warning {{no previous prototype for function 'f'}}
7 }
8 
9 namespace {
10   // Don't warn about functions in anonymous namespaces.
11   void f() { }
12 }
13 
14 struct A {
15   // Don't warn about member functions.
16   void f() { }
17 };
18 
19 // Don't warn about inline functions.
20 inline void g() { }
21 
22 // Don't warn about function templates.
23 template<typename> void h() { }
24 
25 // Don't warn when instantiating function templates.
26 template void h<int>();
27 
28 // PR9519: don't warn about friend functions.
29 class I {
30   friend void I_friend() {}
31 };
32 
33 // Don't warn on explicitly deleted functions.
34 void j() = delete;
35