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 12template < class _T2> struct is_convertible; 13template <> struct is_convertible<int> { typedef int type; }; 14 15template <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 22template <class _ForwardIterator> 23pair<_ForwardIterator, _ForwardIterator> __equal_range(_ForwardIterator) { 24 return pair<_ForwardIterator, _ForwardIterator>(0, 0); // expected-error {{no matching constructor}} 25} 26 27template <class _ForwardIterator> 28pair<_ForwardIterator, _ForwardIterator> equal_range( _ForwardIterator a) { 29 return __equal_range(a); // expected-note {{instantiation}} 30} 31 32class A { 33 pair<int, int> range() { 34 return equal_range(0); // expected-note {{instantiation}} 35 } 36}; 37 38#else 39 40#endif 41