1 // RUN: %clang_cc1 -fsyntax-only -triple i686-pc-win32 -verify -std=c++11 %s
2 // PR14993
3 
4 namespace test1 {
5   inline void f();  // expected-warning{{inline function 'test1::f' is not defined}}
test()6   void test() { f(); }  // expected-note{{used here}}
7 }
8 
9 namespace test2 {
10   inline int f();
test()11   void test() { (void)sizeof(f()); }
12 }
13 
14 namespace test3 {
15   void f();  // expected-warning{{inline function 'test3::f' is not defined}}
16   inline void f();
test()17   void test() { f(); }  // expected-note{{used here}}
18 }
19 
20 namespace test4 {
21   inline void error_on_zero(int);    // expected-warning{{inline function 'test4::error_on_zero' is not defined}}
error_on_zero(char *)22   inline void error_on_zero(char*) {}
test()23   void test() { error_on_zero(0); }  // expected-note{{used here}}
24 }
25 
26 namespace test5 {
27   struct X { void f(); };
test(X & x)28   void test(X &x) { x.f(); }
29 }
30 
31 namespace test6 {
32   struct X { inline void f(); };  // expected-warning{{inline function 'test6::X::f' is not defined}}
test(X & x)33   void test(X &x) { x.f(); }  // expected-note{{used here}}
34 }
35 
36 namespace test7 {
37   void f();  // expected-warning{{inline function 'test7::f' is not defined}}
test()38   void test() { f(); } // no used-here note.
39   inline void f();
40 }
41 
42 namespace test8 {
43   inline void foo() __attribute__((gnu_inline)); // expected-warning {{'gnu_inline' attribute without 'extern' in C++ treated as externally available, this changed in Clang 10}}
test()44   void test() { foo(); }
45 }
46 
47 namespace test9 {
48   void foo();
test()49   void test() { foo(); }
50   inline void foo() __attribute__((gnu_inline)); // expected-warning {{'gnu_inline' attribute without 'extern' in C++ treated as externally available, this changed in Clang 10}}
51 }
52 
53 namespace test10 {
54   inline void foo();
test()55   void test() { foo(); }
56   inline void foo() __attribute__((gnu_inline)); // expected-warning {{'gnu_inline' attribute without 'extern' in C++ treated as externally available, this changed in Clang 10}}
57 }
58 
59 namespace test11 {
60   inline void foo() __attribute__((dllexport));
61   inline void bar() __attribute__((dllimport));
test()62   void test() { foo(); bar(); }
63 }
64 
65 namespace test12 {
66   template<typename> constexpr int _S_chk(int *);
67   decltype(_S_chk<int>(nullptr)) n;
68 }
69