formatter.h (_Debug_msg_id::__msg_irreflexive_ordering): New enum entry.
authorFrançois Dumont <fdumont@gcc.gnu.org>
Mon, 24 Aug 2015 20:21:57 +0000 (20:21 +0000)
committerFrançois Dumont <fdumont@gcc.gnu.org>
Mon, 24 Aug 2015 20:21:57 +0000 (20:21 +0000)
2015-08-24  François Dumont  <fdumont@gcc.gnu.org>

* include/debug/formatter.h (_Debug_msg_id::__msg_irreflexive_ordering):
New enum entry.
* include/debug/functions.h (_Irreflexive_checker): New.
(__is_irreflexive, __is_irreflexive_pred): New.
* include/debug/macros.h
(__glibcxx_check_irreflexive, __glibcxx_check_irreflexive_pred): New
macros.
(__glibcxx_check_irreflexive2, __glibcxx_check_irreflexive_pred2): New
macros limited to post-C++11 mode.
* include/debug/debug.h
(__glibcxx_requires_irreflexive, __glibcxx_requires_irreflexive_pred):
New macros, use latter.
(__glibcxx_requires_irreflexive2, __glibcxx_requires_irreflexive_pred2):
Likewise.
* include/bits/stl_algo.h
(partial_sort_copy): Add irreflexive debug check.
(partial_sort_copy): Likewise.
(lower_bound): Likewise.
(upper_bound): Likewise.
(equal_range): Likewise.
(binary_search): Likewise.
(inplace_merge): Likewise.
(includes): Likewise.
(next_permutation): Likewise.
(prev_permutation): Likewise.
(is_sorted_until): Likewise.
(minmax_element): Likewise.
(partial_sort): Likewise.
(nth_element): Likewise.
(sort): Likewise.
(merge): Likewise.
(stable_sort): Likewise.
(set_union): Likewise.
(set_intersection): Likewise.
(set_difference): Likewise.
(set_symmetric_difference): Likewise.
(min_element): Likewise.
(max_element): Likewise.
* include/bits/stl_algobase.h
(lower_bound): Likewise.
(lexicographical_compare): Likewise.
* include/bits/stl_heap.h
(push_heap): Likewise.
(pop_heap): Likewise.
(make_heap): Likewise.
(sort_heap): Likewise.
(is_heap_until): Likewise.
* testsuite/25_algorithms/lexicographical_compare/debug/
irreflexive_neg.cc: New.
* testsuite/25_algorithms/lower_bound/debug/irreflexive.cc: New.
* testsuite/25_algorithms/partial_sort_copy/debug/irreflexive_neg.cc:
New.

From-SVN: r227147

12 files changed:
libstdc++-v3/ChangeLog
libstdc++-v3/include/bits/stl_algo.h
libstdc++-v3/include/bits/stl_algobase.h
libstdc++-v3/include/bits/stl_heap.h
libstdc++-v3/include/debug/debug.h
libstdc++-v3/include/debug/formatter.h
libstdc++-v3/include/debug/functions.h
libstdc++-v3/include/debug/macros.h
libstdc++-v3/src/c++11/debug.cc
libstdc++-v3/testsuite/25_algorithms/lexicographical_compare/debug/irreflexive_neg.cc [new file with mode: 0644]
libstdc++-v3/testsuite/25_algorithms/lower_bound/debug/irreflexive.cc [new file with mode: 0644]
libstdc++-v3/testsuite/25_algorithms/partial_sort_copy/debug/irreflexive_neg.cc [new file with mode: 0644]

index f6f68a813016260f16edb3bc3eec1f38eb8f758b..11f510228b4b3ba791400f760f3834e6723e6f63 100644 (file)
@@ -1,3 +1,58 @@
+2015-08-24  François Dumont  <fdumont@gcc.gnu.org>
+
+       * include/debug/formatter.h (_Debug_msg_id::__msg_irreflexive_ordering):
+       New enum entry.
+       * include/debug/functions.h (_Irreflexive_checker): New.
+       (__is_irreflexive, __is_irreflexive_pred): New.
+       * include/debug/macros.h
+       (__glibcxx_check_irreflexive, __glibcxx_check_irreflexive_pred): New
+       macros.
+       (__glibcxx_check_irreflexive2, __glibcxx_check_irreflexive_pred2): New
+       macros limited to post-C++11 mode.
+       * include/debug/debug.h
+       (__glibcxx_requires_irreflexive, __glibcxx_requires_irreflexive_pred):
+       New macros, use latter.
+       (__glibcxx_requires_irreflexive2, __glibcxx_requires_irreflexive_pred2):
+       Likewise.
+       * include/bits/stl_algo.h
+       (partial_sort_copy): Add irreflexive debug check.
+       (partial_sort_copy): Likewise.
+       (lower_bound): Likewise.
+       (upper_bound): Likewise.
+       (equal_range): Likewise.
+       (binary_search): Likewise.
+       (inplace_merge): Likewise.
+       (includes): Likewise.
+       (next_permutation): Likewise.
+       (prev_permutation): Likewise.
+       (is_sorted_until): Likewise.
+       (minmax_element): Likewise.
+       (partial_sort): Likewise.
+       (nth_element): Likewise.
+       (sort): Likewise.
+       (merge): Likewise.
+       (stable_sort): Likewise.
+       (set_union): Likewise.
+       (set_intersection): Likewise.
+       (set_difference): Likewise.
+       (set_symmetric_difference): Likewise.
+       (min_element): Likewise.
+       (max_element): Likewise.
+       * include/bits/stl_algobase.h
+       (lower_bound): Likewise.
+       (lexicographical_compare): Likewise.
+       * include/bits/stl_heap.h
+       (push_heap): Likewise.
+       (pop_heap): Likewise.
+       (make_heap): Likewise.
+       (sort_heap): Likewise.
+       (is_heap_until): Likewise.
+       * testsuite/25_algorithms/lexicographical_compare/debug/
+       irreflexive_neg.cc: New.
+       * testsuite/25_algorithms/lower_bound/debug/irreflexive.cc: New.
+       * testsuite/25_algorithms/partial_sort_copy/debug/irreflexive_neg.cc:
+       New.
+
 2015-08-24  Jonathan Wakely  <jwakely@redhat.com>
 
        PR libstdc++/65049
index 93e834abeb7889cbc3aa2b6255bacead6c24bfcc..f7f3e84dc821bfb13a54a666573ada884bd4ea60 100644 (file)
@@ -1750,6 +1750,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
                                                     _OutputValueType>)
       __glibcxx_function_requires(_LessThanComparableConcept<_OutputValueType>)
       __glibcxx_requires_valid_range(__first, __last);
+      __glibcxx_requires_irreflexive(__first, __last);
       __glibcxx_requires_valid_range(__result_first, __result_last);
 
       return std::__partial_sort_copy(__first, __last,
@@ -1803,6 +1804,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
       __glibcxx_function_requires(_BinaryPredicateConcept<_Compare,
                                  _OutputValueType, _OutputValueType>)
       __glibcxx_requires_valid_range(__first, __last);
+      __glibcxx_requires_irreflexive_pred(__first, __last, __comp);
       __glibcxx_requires_valid_range(__result_first, __result_last);
 
       return std::__partial_sort_copy(__first, __last,
@@ -2027,6 +2029,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
                                  _ValueType, _Tp>)
       __glibcxx_requires_partitioned_lower_pred(__first, __last,
                                                __val, __comp);
+      __glibcxx_requires_irreflexive_pred2(__first, __last, __comp);
 
       return std::__lower_bound(__first, __last, __val,
                                __gnu_cxx::__ops::__iter_comp_val(__comp));
@@ -2082,6 +2085,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
       __glibcxx_function_requires(_ForwardIteratorConcept<_ForwardIterator>)
       __glibcxx_function_requires(_LessThanOpConcept<_Tp, _ValueType>)
       __glibcxx_requires_partitioned_upper(__first, __last, __val);
+      __glibcxx_requires_irreflexive2(__first, __last);
 
       return std::__upper_bound(__first, __last, __val,
                                __gnu_cxx::__ops::__val_less_iter());
@@ -2116,6 +2120,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
                                  _Tp, _ValueType>)
       __glibcxx_requires_partitioned_upper_pred(__first, __last,
                                                __val, __comp);
+      __glibcxx_requires_irreflexive_pred2(__first, __last, __comp);
 
       return std::__upper_bound(__first, __last, __val,
                                __gnu_cxx::__ops::__val_comp_iter(__comp));
@@ -2189,7 +2194,8 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
       __glibcxx_function_requires(_LessThanOpConcept<_ValueType, _Tp>)
       __glibcxx_function_requires(_LessThanOpConcept<_Tp, _ValueType>)
       __glibcxx_requires_partitioned_lower(__first, __last, __val);
-      __glibcxx_requires_partitioned_upper(__first, __last, __val);      
+      __glibcxx_requires_partitioned_upper(__first, __last, __val);
+      __glibcxx_requires_irreflexive2(__first, __last);
 
       return std::__equal_range(__first, __last, __val,
                                __gnu_cxx::__ops::__iter_less_val(),
@@ -2231,6 +2237,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
                                                __val, __comp);
       __glibcxx_requires_partitioned_upper_pred(__first, __last,
                                                __val, __comp);
+      __glibcxx_requires_irreflexive_pred2(__first, __last, __comp);
 
       return std::__equal_range(__first, __last, __val,
                                __gnu_cxx::__ops::__iter_comp_val(__comp),
@@ -2262,6 +2269,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
       __glibcxx_function_requires(_LessThanOpConcept<_Tp, _ValueType>)
       __glibcxx_requires_partitioned_lower(__first, __last, __val);
       __glibcxx_requires_partitioned_upper(__first, __last, __val);
+      __glibcxx_requires_irreflexive2(__first, __last);
 
       _ForwardIterator __i
        = std::__lower_bound(__first, __last, __val,
@@ -2300,6 +2308,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
                                                __val, __comp);
       __glibcxx_requires_partitioned_upper_pred(__first, __last,
                                                __val, __comp);
+      __glibcxx_requires_irreflexive_pred2(__first, __last, __comp);
 
       _ForwardIterator __i
        = std::__lower_bound(__first, __last, __val,
@@ -2594,6 +2603,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
            typename iterator_traits<_BidirectionalIterator>::value_type>)
       __glibcxx_requires_sorted(__first, __middle);
       __glibcxx_requires_sorted(__middle, __last);
+      __glibcxx_requires_irreflexive(__first, __last);
 
       std::__inplace_merge(__first, __middle, __last,
                           __gnu_cxx::__ops::__iter_less_iter());
@@ -2636,6 +2646,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
            typename iterator_traits<_BidirectionalIterator>::value_type>)
       __glibcxx_requires_sorted_pred(__first, __middle, __comp);
       __glibcxx_requires_sorted_pred(__middle, __last, __comp);
+      __glibcxx_requires_irreflexive_pred(__first, __last, __comp);
 
       std::__inplace_merge(__first, __middle, __last,
                           __gnu_cxx::__ops::__iter_comp_iter(__comp));
@@ -2847,6 +2858,8 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
            typename iterator_traits<_InputIterator1>::value_type>)
       __glibcxx_requires_sorted_set(__first1, __last1, __first2);
       __glibcxx_requires_sorted_set(__first2, __last2, __first1);
+      __glibcxx_requires_irreflexive2(__first1, __last1);
+      __glibcxx_requires_irreflexive2(__first2, __last2);
 
       return std::__includes(__first1, __last1, __first2, __last2,
                             __gnu_cxx::__ops::__iter_less_iter());
@@ -2891,6 +2904,8 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
            typename iterator_traits<_InputIterator1>::value_type>)
       __glibcxx_requires_sorted_set_pred(__first1, __last1, __first2, __comp);
       __glibcxx_requires_sorted_set_pred(__first2, __last2, __first1, __comp);
+      __glibcxx_requires_irreflexive_pred2(__first1, __last1, __comp);
+      __glibcxx_requires_irreflexive_pred2(__first2, __last2, __comp);
 
       return std::__includes(__first1, __last1, __first2, __last2,
                             __gnu_cxx::__ops::__iter_comp_iter(__comp));
@@ -2966,6 +2981,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
       __glibcxx_function_requires(_LessThanComparableConcept<
            typename iterator_traits<_BidirectionalIterator>::value_type>)
       __glibcxx_requires_valid_range(__first, __last);
+      __glibcxx_requires_irreflexive(__first, __last);
 
       return std::__next_permutation
        (__first, __last, __gnu_cxx::__ops::__iter_less_iter());
@@ -2998,6 +3014,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
            typename iterator_traits<_BidirectionalIterator>::value_type,
            typename iterator_traits<_BidirectionalIterator>::value_type>)
       __glibcxx_requires_valid_range(__first, __last);
+      __glibcxx_requires_irreflexive_pred(__first, __last, __comp);
 
       return std::__next_permutation
        (__first, __last, __gnu_cxx::__ops::__iter_comp_iter(__comp));
@@ -3064,6 +3081,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
       __glibcxx_function_requires(_LessThanComparableConcept<
            typename iterator_traits<_BidirectionalIterator>::value_type>)
       __glibcxx_requires_valid_range(__first, __last);
+      __glibcxx_requires_irreflexive(__first, __last);
 
       return std::__prev_permutation(__first, __last,
                                     __gnu_cxx::__ops::__iter_less_iter());
@@ -3096,6 +3114,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
            typename iterator_traits<_BidirectionalIterator>::value_type,
            typename iterator_traits<_BidirectionalIterator>::value_type>)
       __glibcxx_requires_valid_range(__first, __last);
+      __glibcxx_requires_irreflexive_pred(__first, __last, __comp);
 
       return std::__prev_permutation(__first, __last,
                                __gnu_cxx::__ops::__iter_comp_iter(__comp));
@@ -3258,6 +3277,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
       __glibcxx_function_requires(_LessThanComparableConcept<
            typename iterator_traits<_ForwardIterator>::value_type>)
       __glibcxx_requires_valid_range(__first, __last);
+      __glibcxx_requires_irreflexive(__first, __last);
 
       return std::__is_sorted_until(__first, __last,
                                    __gnu_cxx::__ops::__iter_less_iter());
@@ -3283,6 +3303,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
            typename iterator_traits<_ForwardIterator>::value_type,
            typename iterator_traits<_ForwardIterator>::value_type>)
       __glibcxx_requires_valid_range(__first, __last);
+      __glibcxx_requires_irreflexive_pred(__first, __last, __comp);
 
       return std::__is_sorted_until(__first, __last,
                                    __gnu_cxx::__ops::__iter_comp_iter(__comp));
@@ -3407,6 +3428,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
       __glibcxx_function_requires(_LessThanComparableConcept<
            typename iterator_traits<_ForwardIterator>::value_type>)
       __glibcxx_requires_valid_range(__first, __last);
+      __glibcxx_requires_irreflexive(__first, __last);
 
       return std::__minmax_element(__first, __last,
                                   __gnu_cxx::__ops::__iter_less_iter());
@@ -3436,6 +3458,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
            typename iterator_traits<_ForwardIterator>::value_type,
            typename iterator_traits<_ForwardIterator>::value_type>)
       __glibcxx_requires_valid_range(__first, __last);
+      __glibcxx_requires_irreflexive_pred(__first, __last, __comp);
 
       return std::__minmax_element(__first, __last,
                                   __gnu_cxx::__ops::__iter_comp_iter(__comp));
@@ -4556,6 +4579,7 @@ _GLIBCXX_BEGIN_NAMESPACE_ALGO
            typename iterator_traits<_RandomAccessIterator>::value_type>)
       __glibcxx_requires_valid_range(__first, __middle);
       __glibcxx_requires_valid_range(__middle, __last);
+      __glibcxx_requires_irreflexive(__first, __last);
 
       std::__partial_sort(__first, __middle, __last,
                          __gnu_cxx::__ops::__iter_less_iter());
@@ -4595,6 +4619,7 @@ _GLIBCXX_BEGIN_NAMESPACE_ALGO
            typename iterator_traits<_RandomAccessIterator>::value_type>)
       __glibcxx_requires_valid_range(__first, __middle);
       __glibcxx_requires_valid_range(__middle, __last);
+      __glibcxx_requires_irreflexive_pred(__first, __last, __comp);
 
       std::__partial_sort(__first, __middle, __last,
                          __gnu_cxx::__ops::__iter_comp_iter(__comp));
@@ -4627,6 +4652,7 @@ _GLIBCXX_BEGIN_NAMESPACE_ALGO
            typename iterator_traits<_RandomAccessIterator>::value_type>)
       __glibcxx_requires_valid_range(__first, __nth);
       __glibcxx_requires_valid_range(__nth, __last);
+      __glibcxx_requires_irreflexive(__first, __last);
 
       if (__first == __last || __nth == __last)
        return;
@@ -4666,6 +4692,7 @@ _GLIBCXX_BEGIN_NAMESPACE_ALGO
            typename iterator_traits<_RandomAccessIterator>::value_type>)
       __glibcxx_requires_valid_range(__first, __nth);
       __glibcxx_requires_valid_range(__nth, __last);
+      __glibcxx_requires_irreflexive_pred(__first, __last, __comp);
 
       if (__first == __last || __nth == __last)
        return;
@@ -4699,6 +4726,7 @@ _GLIBCXX_BEGIN_NAMESPACE_ALGO
       __glibcxx_function_requires(_LessThanComparableConcept<
            typename iterator_traits<_RandomAccessIterator>::value_type>)
       __glibcxx_requires_valid_range(__first, __last);
+      __glibcxx_requires_irreflexive(__first, __last);
 
       std::__sort(__first, __last, __gnu_cxx::__ops::__iter_less_iter());
     }
@@ -4730,6 +4758,7 @@ _GLIBCXX_BEGIN_NAMESPACE_ALGO
            typename iterator_traits<_RandomAccessIterator>::value_type,
            typename iterator_traits<_RandomAccessIterator>::value_type>)
       __glibcxx_requires_valid_range(__first, __last);
+      __glibcxx_requires_irreflexive_pred(__first, __last, __comp);
 
       std::__sort(__first, __last, __gnu_cxx::__ops::__iter_comp_iter(__comp));
     }
@@ -4797,6 +4826,8 @@ _GLIBCXX_BEGIN_NAMESPACE_ALGO
            typename iterator_traits<_InputIterator1>::value_type>)     
       __glibcxx_requires_sorted_set(__first1, __last1, __first2);
       __glibcxx_requires_sorted_set(__first2, __last2, __first1);
+      __glibcxx_requires_irreflexive2(__first1, __last1);
+      __glibcxx_requires_irreflexive2(__first2, __last2);
 
       return _GLIBCXX_STD_A::__merge(__first1, __last1,
                                     __first2, __last2, __result,
@@ -4845,6 +4876,8 @@ _GLIBCXX_BEGIN_NAMESPACE_ALGO
            typename iterator_traits<_InputIterator1>::value_type>)
       __glibcxx_requires_sorted_set_pred(__first1, __last1, __first2, __comp);
       __glibcxx_requires_sorted_set_pred(__first2, __last2, __first1, __comp);
+      __glibcxx_requires_irreflexive_pred2(__first1, __last1, __comp);
+      __glibcxx_requires_irreflexive_pred2(__first2, __last2, __comp);
 
       return _GLIBCXX_STD_A::__merge(__first1, __last1,
                                __first2, __last2, __result,
@@ -4898,6 +4931,7 @@ _GLIBCXX_BEGIN_NAMESPACE_ALGO
       __glibcxx_function_requires(_LessThanComparableConcept<
            typename iterator_traits<_RandomAccessIterator>::value_type>)
       __glibcxx_requires_valid_range(__first, __last);
+      __glibcxx_requires_irreflexive(__first, __last);
 
       _GLIBCXX_STD_A::__stable_sort(__first, __last,
                                    __gnu_cxx::__ops::__iter_less_iter());
@@ -4933,6 +4967,7 @@ _GLIBCXX_BEGIN_NAMESPACE_ALGO
            typename iterator_traits<_RandomAccessIterator>::value_type,
            typename iterator_traits<_RandomAccessIterator>::value_type>)
       __glibcxx_requires_valid_range(__first, __last);
+      __glibcxx_requires_irreflexive_pred(__first, __last, __comp);
 
       _GLIBCXX_STD_A::__stable_sort(__first, __last,
                                    __gnu_cxx::__ops::__iter_comp_iter(__comp));
@@ -5010,6 +5045,8 @@ _GLIBCXX_BEGIN_NAMESPACE_ALGO
            typename iterator_traits<_InputIterator1>::value_type>)
       __glibcxx_requires_sorted_set(__first1, __last1, __first2);
       __glibcxx_requires_sorted_set(__first2, __last2, __first1);
+      __glibcxx_requires_irreflexive2(__first1, __last1);
+      __glibcxx_requires_irreflexive2(__first2, __last2);
 
       return _GLIBCXX_STD_A::__set_union(__first1, __last1,
                                __first2, __last2, __result,
@@ -5057,6 +5094,8 @@ _GLIBCXX_BEGIN_NAMESPACE_ALGO
            typename iterator_traits<_InputIterator1>::value_type>)
       __glibcxx_requires_sorted_set_pred(__first1, __last1, __first2, __comp);
       __glibcxx_requires_sorted_set_pred(__first2, __last2, __first1, __comp);
+      __glibcxx_requires_irreflexive_pred2(__first1, __last1, __comp);
+      __glibcxx_requires_irreflexive_pred2(__first2, __last2, __comp);
 
       return _GLIBCXX_STD_A::__set_union(__first1, __last1,
                                __first2, __last2, __result,
@@ -5123,6 +5162,8 @@ _GLIBCXX_BEGIN_NAMESPACE_ALGO
            typename iterator_traits<_InputIterator1>::value_type>)
       __glibcxx_requires_sorted_set(__first1, __last1, __first2);
       __glibcxx_requires_sorted_set(__first2, __last2, __first1);
+      __glibcxx_requires_irreflexive2(__first1, __last1);
+      __glibcxx_requires_irreflexive2(__first2, __last2);
 
       return _GLIBCXX_STD_A::__set_intersection(__first1, __last1,
                                     __first2, __last2, __result,
@@ -5169,6 +5210,8 @@ _GLIBCXX_BEGIN_NAMESPACE_ALGO
            typename iterator_traits<_InputIterator1>::value_type>)
       __glibcxx_requires_sorted_set_pred(__first1, __last1, __first2, __comp);
       __glibcxx_requires_sorted_set_pred(__first2, __last2, __first1, __comp);
+      __glibcxx_requires_irreflexive_pred2(__first1, __last1, __comp);
+      __glibcxx_requires_irreflexive_pred2(__first2, __last2, __comp);
 
       return _GLIBCXX_STD_A::__set_intersection(__first1, __last1,
                                __first2, __last2, __result,
@@ -5239,6 +5282,8 @@ _GLIBCXX_BEGIN_NAMESPACE_ALGO
            typename iterator_traits<_InputIterator1>::value_type>)     
       __glibcxx_requires_sorted_set(__first1, __last1, __first2);
       __glibcxx_requires_sorted_set(__first2, __last2, __first1);
+      __glibcxx_requires_irreflexive2(__first1, __last1);
+      __glibcxx_requires_irreflexive2(__first2, __last2);
 
       return _GLIBCXX_STD_A::__set_difference(__first1, __last1,
                                   __first2, __last2, __result,
@@ -5287,6 +5332,8 @@ _GLIBCXX_BEGIN_NAMESPACE_ALGO
            typename iterator_traits<_InputIterator1>::value_type>)
       __glibcxx_requires_sorted_set_pred(__first1, __last1, __first2, __comp);
       __glibcxx_requires_sorted_set_pred(__first2, __last2, __first1, __comp);
+      __glibcxx_requires_irreflexive_pred2(__first1, __last1, __comp);
+      __glibcxx_requires_irreflexive_pred2(__first2, __last2, __comp);
 
       return _GLIBCXX_STD_A::__set_difference(__first1, __last1,
                                   __first2, __last2, __result,
@@ -5365,6 +5412,8 @@ _GLIBCXX_BEGIN_NAMESPACE_ALGO
            typename iterator_traits<_InputIterator1>::value_type>)     
       __glibcxx_requires_sorted_set(__first1, __last1, __first2);
       __glibcxx_requires_sorted_set(__first2, __last2, __first1);
+      __glibcxx_requires_irreflexive2(__first1, __last1);
+      __glibcxx_requires_irreflexive2(__first2, __last2);
 
       return _GLIBCXX_STD_A::__set_symmetric_difference(__first1, __last1,
                                        __first2, __last2, __result,
@@ -5414,6 +5463,8 @@ _GLIBCXX_BEGIN_NAMESPACE_ALGO
            typename iterator_traits<_InputIterator1>::value_type>)
       __glibcxx_requires_sorted_set_pred(__first1, __last1, __first2, __comp);
       __glibcxx_requires_sorted_set_pred(__first2, __last2, __first1, __comp);
+      __glibcxx_requires_irreflexive_pred2(__first1, __last1, __comp);
+      __glibcxx_requires_irreflexive_pred2(__first2, __last2, __comp);
 
       return _GLIBCXX_STD_A::__set_symmetric_difference(__first1, __last1,
                                __first2, __last2, __result,
@@ -5452,6 +5503,7 @@ _GLIBCXX_BEGIN_NAMESPACE_ALGO
       __glibcxx_function_requires(_LessThanComparableConcept<
            typename iterator_traits<_ForwardIterator>::value_type>)
       __glibcxx_requires_valid_range(__first, __last);
+      __glibcxx_requires_irreflexive(__first, __last);
 
       return _GLIBCXX_STD_A::__min_element(__first, __last,
                                __gnu_cxx::__ops::__iter_less_iter());
@@ -5478,6 +5530,7 @@ _GLIBCXX_BEGIN_NAMESPACE_ALGO
            typename iterator_traits<_ForwardIterator>::value_type,
            typename iterator_traits<_ForwardIterator>::value_type>)
       __glibcxx_requires_valid_range(__first, __last);
+      __glibcxx_requires_irreflexive_pred(__first, __last, __comp);
 
       return _GLIBCXX_STD_A::__min_element(__first, __last,
                                __gnu_cxx::__ops::__iter_comp_iter(__comp));
@@ -5514,6 +5567,7 @@ _GLIBCXX_BEGIN_NAMESPACE_ALGO
       __glibcxx_function_requires(_LessThanComparableConcept<
            typename iterator_traits<_ForwardIterator>::value_type>)
       __glibcxx_requires_valid_range(__first, __last);
+      __glibcxx_requires_irreflexive(__first, __last);
 
       return _GLIBCXX_STD_A::__max_element(__first, __last,
                                __gnu_cxx::__ops::__iter_less_iter());
@@ -5540,6 +5594,7 @@ _GLIBCXX_BEGIN_NAMESPACE_ALGO
            typename iterator_traits<_ForwardIterator>::value_type,
            typename iterator_traits<_ForwardIterator>::value_type>)
       __glibcxx_requires_valid_range(__first, __last);
+      __glibcxx_requires_irreflexive_pred(__first, __last, __comp);
 
       return _GLIBCXX_STD_A::__max_element(__first, __last,
                                __gnu_cxx::__ops::__iter_comp_iter(__comp));
index 75a15167e937fb25cc234b6c60bd43365992e7cd..99f3cc4cfe93fd517278e91fde6b82b290d0cb64 100644 (file)
@@ -985,6 +985,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
       __glibcxx_function_requires(_LessThanOpConcept<
            typename iterator_traits<_ForwardIterator>::value_type, _Tp>)
       __glibcxx_requires_partitioned_lower(__first, __last, __val);
+      __glibcxx_requires_irreflexive2(__first, __last);
 
       return std::__lower_bound(__first, __last, __val,
                                __gnu_cxx::__ops::__iter_less_val());
@@ -1209,7 +1210,9 @@ _GLIBCXX_BEGIN_NAMESPACE_ALGO
       __glibcxx_function_requires(_LessThanOpConcept<_ValueType1, _ValueType2>)
       __glibcxx_function_requires(_LessThanOpConcept<_ValueType2, _ValueType1>)
       __glibcxx_requires_valid_range(__first1, __last1);
+      __glibcxx_requires_irreflexive2(__first1, __last1);
       __glibcxx_requires_valid_range(__first2, __last2);
+      __glibcxx_requires_irreflexive2(__first2, __last2);
 
       return std::__lexicographical_compare_aux(std::__niter_base(__first1),
                                                std::__niter_base(__last1),
@@ -1239,7 +1242,9 @@ _GLIBCXX_BEGIN_NAMESPACE_ALGO
       __glibcxx_function_requires(_InputIteratorConcept<_II1>)
       __glibcxx_function_requires(_InputIteratorConcept<_II2>)
       __glibcxx_requires_valid_range(__first1, __last1);
+      __glibcxx_requires_irreflexive_pred2(__first1, __last1, __comp);
       __glibcxx_requires_valid_range(__first2, __last2);
+      __glibcxx_requires_irreflexive_pred2(__first2, __last2, __comp);
 
       return std::__lexicographical_compare_impl
        (__first1, __last1, __first2, __last2,
index 3ab37c757538ba2808125bd8967c77240e7febb5..e13b6bed9aea32a3abba7291bc3af3c6665e8e64 100644 (file)
@@ -159,6 +159,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
            _RandomAccessIterator>)
       __glibcxx_function_requires(_LessThanComparableConcept<_ValueType>)
       __glibcxx_requires_valid_range(__first, __last);
+      __glibcxx_requires_irreflexive(__first, __last);
       __glibcxx_requires_heap(__first, __last - 1);
 
       _ValueType __value = _GLIBCXX_MOVE(*(__last - 1));
@@ -193,6 +194,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
       __glibcxx_function_requires(_Mutable_RandomAccessIteratorConcept<
            _RandomAccessIterator>)
       __glibcxx_requires_valid_range(__first, __last);
+      __glibcxx_requires_irreflexive_pred(__first, __last, __comp);
       __glibcxx_requires_heap_pred(__first, __last - 1, __comp);
 
       _ValueType __value = _GLIBCXX_MOVE(*(__last - 1));
@@ -271,6 +273,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
       __glibcxx_function_requires(_LessThanComparableConcept<_ValueType>)
       __glibcxx_requires_non_empty_range(__first, __last);
       __glibcxx_requires_valid_range(__first, __last);
+      __glibcxx_requires_irreflexive(__first, __last);
       __glibcxx_requires_heap(__first, __last);
 
       if (__last - __first > 1)
@@ -301,6 +304,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
       __glibcxx_function_requires(_Mutable_RandomAccessIteratorConcept<
            _RandomAccessIterator>)
       __glibcxx_requires_valid_range(__first, __last);
+      __glibcxx_requires_irreflexive_pred(__first, __last, __comp);
       __glibcxx_requires_non_empty_range(__first, __last);
       __glibcxx_requires_heap_pred(__first, __last, __comp);
 
@@ -356,6 +360,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
       __glibcxx_function_requires(_LessThanComparableConcept<
            typename iterator_traits<_RandomAccessIterator>::value_type>)
       __glibcxx_requires_valid_range(__first, __last);
+      __glibcxx_requires_irreflexive(__first, __last);
 
       std::__make_heap(__first, __last,
                       __gnu_cxx::__ops::__iter_less_iter());
@@ -380,6 +385,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
       __glibcxx_function_requires(_Mutable_RandomAccessIteratorConcept<
            _RandomAccessIterator>)
       __glibcxx_requires_valid_range(__first, __last);
+      __glibcxx_requires_irreflexive_pred(__first, __last, __comp);
 
       std::__make_heap(__first, __last,
                       __gnu_cxx::__ops::__iter_comp_iter(__comp));
@@ -415,6 +421,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
       __glibcxx_function_requires(_LessThanComparableConcept<
            typename iterator_traits<_RandomAccessIterator>::value_type>)
       __glibcxx_requires_valid_range(__first, __last);
+      __glibcxx_requires_irreflexive(__first, __last);
       __glibcxx_requires_heap(__first, __last);
 
       std::__sort_heap(__first, __last,
@@ -440,6 +447,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
       __glibcxx_function_requires(_Mutable_RandomAccessIteratorConcept<
            _RandomAccessIterator>)
       __glibcxx_requires_valid_range(__first, __last);
+      __glibcxx_requires_irreflexive_pred(__first, __last, __comp);
       __glibcxx_requires_heap_pred(__first, __last, __comp);
 
       std::__sort_heap(__first, __last,
@@ -467,6 +475,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
       __glibcxx_function_requires(_LessThanComparableConcept<
            typename iterator_traits<_RandomAccessIterator>::value_type>)
       __glibcxx_requires_valid_range(__first, __last);
+      __glibcxx_requires_irreflexive(__first, __last);
 
       return __first + 
        std::__is_heap_until(__first, std::distance(__first, __last),
@@ -493,6 +502,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
       __glibcxx_function_requires(_RandomAccessIteratorConcept<
            _RandomAccessIterator>)
       __glibcxx_requires_valid_range(__first, __last);
+      __glibcxx_requires_irreflexive_pred(__first, __last, __comp);
 
       return __first
        + std::__is_heap_until(__first, std::distance(__first, __last),
index b6623e62eccf89ee50d3b272857e759a235f048d..6b52b0ab3128b82a0e0302f9f4d50b3043a3f948 100644 (file)
@@ -77,41 +77,53 @@ namespace __gnu_debug
 # define __glibcxx_requires_string(_String)
 # define __glibcxx_requires_string_len(_String,_Len)
 # define __glibcxx_requires_subscript(_N)
+# define __glibcxx_requires_irreflexive(_First,_Last)
+# define __glibcxx_requires_irreflexive2(_First,_Last)
+# define __glibcxx_requires_irreflexive_pred(_First,_Last,_Pred)
+# define __glibcxx_requires_irreflexive_pred2(_First,_Last,_Pred)
 
 #else
 
 # include <debug/macros.h>
 
 # define __glibcxx_requires_cond(_Cond,_Msg) _GLIBCXX_DEBUG_VERIFY(_Cond,_Msg)
-# define __glibcxx_requires_valid_range(_First,_Last) \
-     __glibcxx_check_valid_range(_First,_Last)
-# define __glibcxx_requires_non_empty_range(_First,_Last) \
-     __glibcxx_check_non_empty_range(_First,_Last)
-# define __glibcxx_requires_sorted(_First,_Last) \
-     __glibcxx_check_sorted(_First,_Last)
-# define __glibcxx_requires_sorted_pred(_First,_Last,_Pred) \
-     __glibcxx_check_sorted_pred(_First,_Last,_Pred)
-# define __glibcxx_requires_sorted_set(_First1,_Last1,_First2) \
-     __glibcxx_check_sorted_set(_First1,_Last1,_First2)
+# define __glibcxx_requires_valid_range(_First,_Last)  \
+  __glibcxx_check_valid_range(_First,_Last)
+# define __glibcxx_requires_non_empty_range(_First,_Last)      \
+  __glibcxx_check_non_empty_range(_First,_Last)
+# define __glibcxx_requires_sorted(_First,_Last)       \
+  __glibcxx_check_sorted(_First,_Last)
+# define __glibcxx_requires_sorted_pred(_First,_Last,_Pred)    \
+  __glibcxx_check_sorted_pred(_First,_Last,_Pred)
+# define __glibcxx_requires_sorted_set(_First1,_Last1,_First2) \
+  __glibcxx_check_sorted_set(_First1,_Last1,_First2)
 # define __glibcxx_requires_sorted_set_pred(_First1,_Last1,_First2,_Pred) \
-     __glibcxx_check_sorted_set_pred(_First1,_Last1,_First2,_Pred)
+  __glibcxx_check_sorted_set_pred(_First1,_Last1,_First2,_Pred)
 # define __glibcxx_requires_partitioned_lower(_First,_Last,_Value)     \
-     __glibcxx_check_partitioned_lower(_First,_Last,_Value)
+  __glibcxx_check_partitioned_lower(_First,_Last,_Value)
 # define __glibcxx_requires_partitioned_upper(_First,_Last,_Value)     \
-     __glibcxx_check_partitioned_upper(_First,_Last,_Value)
+  __glibcxx_check_partitioned_upper(_First,_Last,_Value)
 # define __glibcxx_requires_partitioned_lower_pred(_First,_Last,_Value,_Pred) \
-     __glibcxx_check_partitioned_lower_pred(_First,_Last,_Value,_Pred)
+  __glibcxx_check_partitioned_lower_pred(_First,_Last,_Value,_Pred)
 # define __glibcxx_requires_partitioned_upper_pred(_First,_Last,_Value,_Pred) \
-     __glibcxx_check_partitioned_upper_pred(_First,_Last,_Value,_Pred)
-# define __glibcxx_requires_heap(_First,_Last) \
-     __glibcxx_check_heap(_First,_Last)
-# define __glibcxx_requires_heap_pred(_First,_Last,_Pred) \
-     __glibcxx_check_heap_pred(_First,_Last,_Pred)
+  __glibcxx_check_partitioned_upper_pred(_First,_Last,_Value,_Pred)
+# define __glibcxx_requires_heap(_First,_Last) \
+  __glibcxx_check_heap(_First,_Last)
+# define __glibcxx_requires_heap_pred(_First,_Last,_Pred)      \
+  __glibcxx_check_heap_pred(_First,_Last,_Pred)
 # define __glibcxx_requires_nonempty() __glibcxx_check_nonempty()
 # define __glibcxx_requires_string(_String) __glibcxx_check_string(_String)
 # define __glibcxx_requires_string_len(_String,_Len)   \
-     __glibcxx_check_string_len(_String,_Len)
+  __glibcxx_check_string_len(_String,_Len)
 # define __glibcxx_requires_subscript(_N) __glibcxx_check_subscript(_N)
+# define __glibcxx_requires_irreflexive(_First,_Last)  \
+  __glibcxx_check_irreflexive(_First,_Last)
+# define __glibcxx_requires_irreflexive2(_First,_Last) \
+  __glibcxx_check_irreflexive2(_First,_Last)
+# define __glibcxx_requires_irreflexive_pred(_First,_Last,_Pred)       \
+  __glibcxx_check_irreflexive_pred(_First,_Last,_Pred)
+# define __glibcxx_requires_irreflexive_pred2(_First,_Last,_Pred)      \
+  __glibcxx_check_irreflexive_pred2(_First,_Last,_Pred)
 
 # include <debug/functions.h>
 
index 56ee8078681f6d8b72be9056f444a01be0213c4a..9fc23c828fc17ad6c143040721c7449ce225ab88 100644 (file)
@@ -126,7 +126,8 @@ namespace __gnu_debug
     __msg_valid_load_factor,
     // others
     __msg_equal_allocs,
-    __msg_insert_range_from_self
+    __msg_insert_range_from_self,
+    __msg_irreflexive_ordering
   };
 
   class _Error_formatter
index a9f234b0723513e801d1eb58c3feeed92492acb7..218092af86a2a8cffdcb0f1b044ebad7d2f2ddb8 100644 (file)
@@ -445,6 +445,49 @@ namespace __gnu_debug
       return __first == __last;
     }
 
+#if __cplusplus >= 201103L
+  struct _Irreflexive_checker
+  {
+    template<typename _It>
+      static typename std::iterator_traits<_It>::reference
+      __deref();
+
+    template<typename _It,
+            typename = decltype(__deref<_It>() < __deref<_It>())>
+      static bool
+      _S_is_valid(_It __it)
+      { return !(*__it < *__it); }
+
+    // Fallback method if operator doesn't exist.
+    template<typename... _Args>
+      static bool
+      _S_is_valid(_Args...)
+      { return true; }
+
+    template<typename _It, typename _Pred, typename
+       = decltype(std::declval<_Pred>()(__deref<_It>(), __deref<_It>()))>
+      static bool
+      _S_is_valid_pred(_It __it, _Pred __pred)
+      { return !__pred(*__it, *__it); }
+
+    // Fallback method if predicate can't be invoked.
+    template<typename... _Args>
+      static bool
+      _S_is_valid_pred(_Args...)
+      { return true; }
+  };
+
+  template<typename _Iterator>
+    inline bool
+    __is_irreflexive(_Iterator __it)
+    { return _Irreflexive_checker::_S_is_valid(__it); }
+
+  template<typename _Iterator, typename _Pred>
+    inline bool
+    __is_irreflexive_pred(_Iterator __it, _Pred __pred)
+    { return _Irreflexive_checker::_S_is_valid_pred(__it, __pred); }
+#endif
+
 } // namespace __gnu_debug
 
 #endif
index a4c2649c843f95b00695ea79e6e897871ef6a88e..c6366636ce378f520704fff1bcd5d2ba17e06887 100644 (file)
@@ -362,4 +362,37 @@ _GLIBCXX_DEBUG_VERIFY(_This.get_allocator() == _Other.get_allocator(),     \
 #define __glibcxx_check_string_len(_String,_Len) \
   _GLIBCXX_DEBUG_PEDASSERT(_String != 0 || _Len == 0)
 
+// Verify that a predicate is irreflexive
+#define __glibcxx_check_irreflexive(_First,_Last)                      \
+  _GLIBCXX_DEBUG_VERIFY(_First == _Last || !(*_First < *_First),       \
+                       _M_message(__gnu_debug::__msg_irreflexive_ordering) \
+                       ._M_iterator_value_type(_First, "< operator type"))
+
+#if __cplusplus >= 201103L
+# define __glibcxx_check_irreflexive2(_First,_Last)                    \
+  _GLIBCXX_DEBUG_VERIFY(_First == _Last                                        \
+                       || __gnu_debug::__is_irreflexive(_First),       \
+                       _M_message(__gnu_debug::__msg_irreflexive_ordering) \
+                       ._M_iterator_value_type(_First, "< operator type"))
+#else
+# define __glibcxx_check_irreflexive2(_First,_Last)
+#endif
+
+#define __glibcxx_check_irreflexive_pred(_First,_Last,_Pred)           \
+  _GLIBCXX_DEBUG_VERIFY(_First == _Last        || !_Pred(*_First, *_First),            \
+                       _M_message(__gnu_debug::__msg_irreflexive_ordering) \
+                       ._M_instance(_Pred, "functor")                  \
+                       ._M_iterator_value_type(_First, "ordered type"))
+
+#if __cplusplus >= 201103L
+# define __glibcxx_check_irreflexive_pred2(_First,_Last,_Pred)         \
+  _GLIBCXX_DEBUG_VERIFY(_First == _Last                                        \
+                       ||__gnu_debug::__is_irreflexive_pred(_First, _Pred), \
+                       _M_message(__gnu_debug::__msg_irreflexive_ordering) \
+                       ._M_instance(_Pred, "functor")                  \
+                       ._M_iterator_value_type(_First, "ordered type"))
+#else
+# define __glibcxx_check_irreflexive_pred2(_First,_Last,_Pred)
+#endif
+
 #endif
index f60e31f845b1d6e72533ca2e46ecb67b12250a80..997c0f33de06ef8a3080124f2d263c84542610c2 100644 (file)
@@ -185,7 +185,8 @@ namespace __gnu_debug
     "load factor shall be positive",
     "allocators must be equal",
     "attempt to insert with an iterator range [%1.name;, %2.name;) from this"
-    " container"
+    " container",
+    "comparison doesn't meet irreflexive requirements, assert(!(a < a))"
   };
 
   void
@@ -592,11 +593,13 @@ namespace
       {
        const int __bufsize = 64;
        char __buf[__bufsize];
-       __formatter->_M_format_word(__buf, __bufsize, "\"%s\" ",
+       __formatter->_M_format_word(__buf, __bufsize, "\"%s\"",
                                    __variant._M_name);
        __formatter->_M_print_word(__buf);
       }
 
+    __formatter->_M_print_word(" {\n");
+
     if (__variant._M_type)
       {
        __formatter->_M_print_word("  type = ");
@@ -768,6 +771,7 @@ namespace __gnu_debug
                                        _M_variant._M_iterator._M_sequence);
            __formatter->_M_print_word(__buf);
          }
+
        __formatter->_M_print_word("}\n");
        break;
       case __sequence:
@@ -786,10 +790,12 @@ namespace __gnu_debug
        if (_M_variant._M_instance._M_type)
          __formatter->_M_print_word(";\n");
 
+       __formatter->_M_print_word("}\n");
        break;
       case __iterator_value_type:
        __formatter->_M_print_word("iterator::value_type ");
        print_description(__formatter, _M_variant._M_iterator_value_type);
+       __formatter->_M_print_word("}\n");
        break;
       default:
        break;
diff --git a/libstdc++-v3/testsuite/25_algorithms/lexicographical_compare/debug/irreflexive_neg.cc b/libstdc++-v3/testsuite/25_algorithms/lexicographical_compare/debug/irreflexive_neg.cc
new file mode 100644 (file)
index 0000000..07ee8be
--- /dev/null
@@ -0,0 +1,70 @@
+// Copyright (C) 2015 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+//
+// { dg-options "-std=gnu++11" }
+// { dg-require-debug-mode "" }
+// { dg-do run { xfail *-*-* } }
+
+#include <algorithm>
+#include <testsuite_hooks.h>
+
+struct A
+{
+  A(int i) : _i(i)
+  { }
+
+  int _i;
+};
+
+bool
+operator<(A a, int i)
+{ return a._i < i; }
+
+bool
+operator<(int i, A a)
+{ return i < a._i; }
+
+void test01()
+{
+  bool test __attribute__((unused)) = true;
+
+  A as[] { 0, 1, 2, 3 };
+  int is[] { 0, 1, 2, 3 };
+  VERIFY( !std::lexicographical_compare(as, as + 4, is, is + 4) );
+}
+
+bool
+bad_lower(int lhs, int rhs)
+{
+  if (lhs == 0)
+    return true;
+
+  return lhs < rhs;
+}
+
+void test02()
+{
+  int is[] { 0, 1, 2, 3 };
+  std::lexicographical_compare(is, is + 4, is, is + 4, bad_lower);
+}
+
+int main()
+{
+  test01();
+  test02();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/25_algorithms/lower_bound/debug/irreflexive.cc b/libstdc++-v3/testsuite/25_algorithms/lower_bound/debug/irreflexive.cc
new file mode 100644 (file)
index 0000000..c87b3e1
--- /dev/null
@@ -0,0 +1,47 @@
+// Copyright (C) 2015 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+//
+// { dg-require-debug-mode "" }
+// { dg-do compile }
+
+#include <algorithm>
+
+struct A
+{
+  A(int i) : _i(i)
+  { }
+
+  int _i;
+};
+
+// Only knowns how to compare an A with an int.
+struct A_int_comparer
+{
+  bool
+  operator()(A a, int i) const
+  { return a._i < i; }
+
+  bool
+  operator()(int i, A a) const
+  { return i < a._i; }
+};
+
+void test01()
+{
+  A as[] { 0, 1, 2, 3 };
+  std::lower_bound(as, as + 4, 1, A_int_comparer());
+}
diff --git a/libstdc++-v3/testsuite/25_algorithms/partial_sort_copy/debug/irreflexive_neg.cc b/libstdc++-v3/testsuite/25_algorithms/partial_sort_copy/debug/irreflexive_neg.cc
new file mode 100644 (file)
index 0000000..0218a26
--- /dev/null
@@ -0,0 +1,43 @@
+// Copyright (C) 2015 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+//
+// { dg-require-debug-mode "" }
+// { dg-do run { xfail *-*-* } }
+
+#include <algorithm>
+
+bool
+bad_lower(int lhs, int rhs)
+{
+  if (lhs == 0)
+    return true;
+
+  return lhs < rhs;
+}
+
+void test01()
+{
+  int ins[] { 0, 1, 2, 3 };
+  int outs[] { 9, 9 };
+  std::partial_sort_copy(ins, ins + 4, outs, outs + 2, bad_lower);
+}
+
+int main()
+{
+  test01();
+  return 0;
+}