1 // RUN: %clang_cc1 -std=c++11 %s -emit-pch -o %t.pch
2 // RUN: %clang_cc1 -fsyntax-only -std=c++11 %s -include-pch %t.pch -verify
3 // expected-no-diagnostics
4
5 // rdar://12631281
6 // This reduced test case exposed a use-after-free memory bug, which was reliable
7 // reproduced only on guarded malloc (and probably valgrind).
8
9 #ifndef HEADER
10 #define HEADER
11
12 template < class _T2> struct is_convertible;
13 template <> struct is_convertible<int> { typedef int type; };
14
15 template <class _T1, class _T2> struct pair {
16 typedef _T1 first_type;
17 typedef _T2 second_type;
18 template <class _U1, class _U2, class = typename is_convertible< first_type>::type>
19 pair(_U1&& , _U2&& ); // expected-note {{candidate}}
20 };
21
22 template <class _ForwardIterator>
__equal_range(_ForwardIterator)23 pair<_ForwardIterator, _ForwardIterator> __equal_range(_ForwardIterator) {
24 return pair<_ForwardIterator, _ForwardIterator>(0, 0); // expected-error {{no matching constructor}}
25 }
26
27 template <class _ForwardIterator>
equal_range(_ForwardIterator a)28 pair<_ForwardIterator, _ForwardIterator> equal_range( _ForwardIterator a) {
29 return __equal_range(a); // expected-note {{instantiation}}
30 }
31
32 class A {
range()33 pair<int, int> range() {
34 return equal_range(0); // expected-note {{instantiation}}
35 }
36 };
37
38 #else
39
40 #endif
41