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> 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> 28 pair<_ForwardIterator, _ForwardIterator> equal_range( _ForwardIterator a) { 29 return __equal_range(a); // expected-note {{instantiation}} 30 } 31 32 class A { 33 pair<int, int> range() { 34 return equal_range(0); // expected-note {{instantiation}} 35 } 36 }; 37 38 #else 39 40 #endif 41