Mercurial > hg > CbC > CbC_llvm

comparison clang/test/SemaTemplate/inject-templated-friend.cpp @ 150:1d019706d866

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
LLVM10
author anatofuz
date Thu, 13 Feb 2020 15:10:13 +0900
parents
children
comparison
equal deleted inserted replaced
147:c2174574ed3a 150:1d019706d866
1 // RUN: %clang_cc1 %s -emit-llvm -triple %itanium_abi_triple -o - | FileCheck %s
2 // RUN: %clang_cc1 %s -DREDEFINE -verify
3 // PR8007: friend function not instantiated.
4
5 // CHECK: define linkonce_odr{{.*}}_ZlsR11std_ostreamRK8StreamerI3FooE
6
7 struct std_ostream
8 {
9 int dummy;
10 };
11
12 std_ostream cout;
13
14 template <typename STRUCT_TYPE>
15 struct Streamer
16 {
17 friend std_ostream& operator << (std_ostream& o, const Streamer& f) // expected-error{{redefinition of 'operator<<'}}
18 {
19 Streamer s(f);
20 s(o);
21 return o;
22 }
23
24 Streamer(const STRUCT_TYPE& s) : s(s) {}
25
26 const STRUCT_TYPE& s;
27 void operator () (std_ostream&) const;
28 };
29
30 typedef struct Foo {} Foo;
31
32 inline std_ostream& operator << (std_ostream&, const Streamer<Foo>&);
33 #ifdef REDEFINE
34 std_ostream& operator << (std_ostream& o, const Streamer<Foo>&) // expected-note{{is here}}
35 {
36 // Sema should flag this as a redefinition
37 return o;
38 }
39 #endif
40
41 template <>
42 void Streamer<Foo>::operator () (std_ostream& o) const // expected-note{{requested here}}
43 {
44 }
45
46 int main(void)
47 {
48 Foo foo;
49 cout << foo;
50 }