[libcxx] r315994 - [libc++] Fix PR34898 - vector iterator constructors and assign method perform push_back instead of emplace_back.

Bruno Cardoso Lopes via cfe-commits cfe-commits at lists.llvm.org
Tue Oct 17 09:08:25 PDT 2017


Hi Eric,

This is also failing
http://green.lab.llvm.org/green/job/clang-stage1-configure-RA/39697/

Can you take a look?

Thanks,

On Tue, Oct 17, 2017 at 9:07 AM, Eric Fiselier via cfe-commits
<cfe-commits at lists.llvm.org> wrote:
> These shadowing warnings should be fixed now.
>
> /Eric
>
> On Tue, Oct 17, 2017 at 10:03 AM, Maxim Kuvyrkov <maxim.kuvyrkov at linaro.org>
> wrote:
>>
>> Hi Eric,
>>
>> This seems to have broken ARM and AArch64 buildbots:
>>
>>
>> http://lab.llvm.org:8011/builders/libcxx-libcxxabi-libunwind-arm-linux/builds/850
>>
>> http://lab.llvm.org:8011/builders/libcxx-libcxxabi-libunwind-arm-linux-noexceptions/builds/931
>>
>> http://lab.llvm.org:8011/builders/libcxx-libcxxabi-libunwind-aarch64-linux/builds/873
>>
>> http://lab.llvm.org:8011/builders/libcxx-libcxxabi-libunwind-aarch64-linux-noexceptions/builds/826
>>
>> Would you please take a look?
>>
>> --
>> Maxim Kuvyrkov
>> www.linaro.org
>>
>>
>>
>>
>> > On Oct 17, 2017, at 4:03 PM, Eric Fiselier via cfe-commits
>> > <cfe-commits at lists.llvm.org> wrote:
>> >
>> > Author: ericwf
>> > Date: Tue Oct 17 06:03:17 2017
>> > New Revision: 315994
>> >
>> > URL: http://llvm.org/viewvc/llvm-project?rev=315994&view=rev
>> > Log:
>> > [libc++] Fix PR34898 - vector iterator constructors and assign method
>> > perform push_back instead of emplace_back.
>> >
>> > Summary:
>> > The constructors `vector(Iter, Iter, Alloc = Alloc{})` and `assign(Iter,
>> > Iter)` don't correctly perform EmplaceConstruction from the result of
>> > dereferencing the iterator. This results in them performing an additional
>> > and unneeded copy.
>> >
>> > This patch addresses the issue by correctly using `emplace_back` in
>> > C++11 and newer.
>> >
>> > There are also some bugs in our `insert` implementation, but those will
>> > be handled separately.
>> >
>> > @mclow.lists We should probably merge this into 5.1, agreed?
>> >
>> > Reviewers: mclow.lists, dlj, EricWF
>> >
>> > Reviewed By: mclow.lists, EricWF
>> >
>> > Subscribers: cfe-commits, mclow.lists
>> >
>> > Differential Revision: https://reviews.llvm.org/D38757
>> >
>> > Added:
>> >
>> > libcxx/trunk/test/std/containers/sequences/vector/vector.cons/assign_iter_iter.pass.cpp
>> >    libcxx/trunk/test/support/emplace_constructible.h
>> > Modified:
>> >    libcxx/trunk/include/deque
>> >    libcxx/trunk/include/list
>> >    libcxx/trunk/include/vector
>> >
>> > libcxx/trunk/test/std/containers/sequences/deque/deque.cons/assign_iter_iter.pass.cpp
>> >
>> > libcxx/trunk/test/std/containers/sequences/deque/deque.cons/iter_iter.pass.cpp
>> >
>> > libcxx/trunk/test/std/containers/sequences/deque/deque.cons/iter_iter_alloc.pass.cpp
>> >
>> > libcxx/trunk/test/std/containers/sequences/list/list.cons/input_iterator.pass.cpp
>> >
>> > libcxx/trunk/test/std/containers/sequences/vector/vector.cons/construct_iter_iter.pass.cpp
>> >
>> > libcxx/trunk/test/std/containers/sequences/vector/vector.cons/construct_iter_iter_alloc.pass.cpp
>> >    libcxx/trunk/test/support/container_test_types.h
>> >
>> > Modified: libcxx/trunk/include/deque
>> > URL:
>> > http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/deque?rev=315994&r1=315993&r2=315994&view=diff
>> >
>> > ==============================================================================
>> > --- libcxx/trunk/include/deque (original)
>> > +++ libcxx/trunk/include/deque Tue Oct 17 06:03:17 2017
>> > @@ -1356,7 +1356,6 @@ public:
>> >     iterator insert(const_iterator __p, initializer_list<value_type>
>> > __il)
>> >         {return insert(__p, __il.begin(), __il.end());}
>> > #endif  // _LIBCPP_CXX03_LANG
>> > -
>> >     iterator insert(const_iterator __p, const value_type& __v);
>> >     iterator insert(const_iterator __p, size_type __n, const value_type&
>> > __v);
>> >     template <class _InputIter>
>> > @@ -2224,7 +2223,11 @@ deque<_Tp, _Allocator>::__append(_InpIte
>> >
>> > !__is_forward_iterator<_InpIter>::value>::type*)
>> > {
>> >     for (; __f != __l; ++__f)
>> > +#ifdef _LIBCPP_CXX03_LANG
>> >         push_back(*__f);
>> > +#else
>> > +        emplace_back(*__f);
>> > +#endif
>> > }
>> >
>> > template <class _Tp, class _Allocator>
>> >
>> > Modified: libcxx/trunk/include/list
>> > URL:
>> > http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/list?rev=315994&r1=315993&r2=315994&view=diff
>> >
>> > ==============================================================================
>> > --- libcxx/trunk/include/list (original)
>> > +++ libcxx/trunk/include/list Tue Oct 17 06:03:17 2017
>> > @@ -992,6 +992,15 @@ public:
>> >     void push_front(const value_type& __x);
>> >     void push_back(const value_type& __x);
>> >
>> > +#ifndef _LIBCPP_CXX03_LANG
>> > +    template <class _Arg>
>> > +    _LIBCPP_INLINE_VISIBILITY
>> > +    void __emplace_back(_Arg&& __arg) {
>> > emplace_back(_VSTD::forward<_Arg>(__arg)); }
>> > +#else
>> > +    _LIBCPP_INLINE_VISIBILITY
>> > +    void __emplace_back(value_type const& __arg) { push_back(__arg); }
>> > +#endif
>> > +
>> >     iterator insert(const_iterator __p, const value_type& __x);
>> >     iterator insert(const_iterator __p, size_type __n, const value_type&
>> > __x);
>> >     template <class _InpIter>
>> > @@ -1189,7 +1198,7 @@ list<_Tp, _Alloc>::list(_InpIter __f, _I
>> >     __get_db()->__insert_c(this);
>> > #endif
>> >     for (; __f != __l; ++__f)
>> > -        push_back(*__f);
>> > +        __emplace_back(*__f);
>> > }
>> >
>> > template <class _Tp, class _Alloc>
>> > @@ -1202,7 +1211,7 @@ list<_Tp, _Alloc>::list(_InpIter __f, _I
>> >     __get_db()->__insert_c(this);
>> > #endif
>> >     for (; __f != __l; ++__f)
>> > -        push_back(*__f);
>> > +        __emplace_back(*__f);
>> > }
>> >
>> > template <class _Tp, class _Alloc>
>> >
>> > Modified: libcxx/trunk/include/vector
>> > URL:
>> > http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/vector?rev=315994&r1=315993&r2=315994&view=diff
>> >
>> > ==============================================================================
>> > --- libcxx/trunk/include/vector (original)
>> > +++ libcxx/trunk/include/vector Tue Oct 17 06:03:17 2017
>> > @@ -674,6 +674,17 @@ public:
>> >     const value_type* data() const _NOEXCEPT
>> >         {return _VSTD::__to_raw_pointer(this->__begin_);}
>> >
>> > +#ifdef _LIBCPP_CXX03_LANG
>> > +    _LIBCPP_INLINE_VISIBILITY
>> > +    void __emplace_back(const value_type& __x) { push_back(__x); }
>> > +#else
>> > +    template <class _Arg>
>> > +    _LIBCPP_INLINE_VISIBILITY
>> > +    void __emplace_back(_Arg&& __arg) {
>> > +      emplace_back(_VSTD::forward<_Arg>(__arg));
>> > +    }
>> > +#endif
>> > +
>> >     _LIBCPP_INLINE_VISIBILITY void push_back(const_reference __x);
>> >
>> > #ifndef _LIBCPP_CXX03_LANG
>> > @@ -1128,7 +1139,7 @@ vector<_Tp, _Allocator>::vector(_InputIt
>> >     __get_db()->__insert_c(this);
>> > #endif
>> >     for (; __first != __last; ++__first)
>> > -        push_back(*__first);
>> > +        __emplace_back(*__first);
>> > }
>> >
>> > template <class _Tp, class _Allocator>
>> > @@ -1145,7 +1156,7 @@ vector<_Tp, _Allocator>::vector(_InputIt
>> >     __get_db()->__insert_c(this);
>> > #endif
>> >     for (; __first != __last; ++__first)
>> > -        push_back(*__first);
>> > +        __emplace_back(*__first);
>> > }
>> >
>> > template <class _Tp, class _Allocator>
>> > @@ -1365,7 +1376,7 @@ vector<_Tp, _Allocator>::assign(_InputIt
>> > {
>> >     clear();
>> >     for (; __first != __last; ++__first)
>> > -        push_back(*__first);
>> > +        __emplace_back(*__first);
>> > }
>> >
>> > template <class _Tp, class _Allocator>
>> >
>> > Modified:
>> > libcxx/trunk/test/std/containers/sequences/deque/deque.cons/assign_iter_iter.pass.cpp
>> > URL:
>> > http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/std/containers/sequences/deque/deque.cons/assign_iter_iter.pass.cpp?rev=315994&r1=315993&r2=315994&view=diff
>> >
>> > ==============================================================================
>> > ---
>> > libcxx/trunk/test/std/containers/sequences/deque/deque.cons/assign_iter_iter.pass.cpp
>> > (original)
>> > +++
>> > libcxx/trunk/test/std/containers/sequences/deque/deque.cons/assign_iter_iter.pass.cpp
>> > Tue Oct 17 06:03:17 2017
>> > @@ -19,6 +19,9 @@
>> > #include "test_macros.h"
>> > #include "test_iterators.h"
>> > #include "min_allocator.h"
>> > +#if TEST_STD_VER >= 11
>> > +#include "emplace_constructible.h"
>> > +#endif
>> >
>> > template <class C>
>> > C
>> > @@ -80,7 +83,7 @@ testNI(int start, int N, int M)
>> >     testI(c1, c2);
>> > }
>> >
>> > -int main()
>> > +void basic_test()
>> > {
>> >     {
>> >     int rng[] = {0, 1, 2, 3, 1023, 1024, 1025, 2047, 2048, 2049};
>> > @@ -103,3 +106,51 @@ int main()
>> >     }
>> > #endif
>> > }
>> > +
>> > +void test_emplacable_concept() {
>> > +#if TEST_STD_VER >= 11
>> > +  int arr1[] = {42};
>> > +  int arr2[] = {1, 101, 42};
>> > +  {
>> > +    using T = EmplaceConstructibleMoveableAndAssignable<int>;
>> > +    using It = random_access_iterator<int*>;
>> > +    {
>> > +      std::deque<T> v;
>> > +      v.assign(It(arr1), It(std::end(arr1)));
>> > +      assert(v[0].value == 42);
>> > +    }
>> > +    {
>> > +      std::deque<T> v;
>> > +      v.assign(It(arr2), It(std::end(arr2)));
>> > +      assert(v[0].value == 1);
>> > +      assert(v[1].value == 101);
>> > +      assert(v[2].value == 42);
>> > +    }
>> > +  }
>> > +  {
>> > +    using T = EmplaceConstructibleMoveableAndAssignable<int>;
>> > +    using It = input_iterator<int*>;
>> > +    {
>> > +      std::deque<T> v;
>> > +      v.assign(It(arr1), It(std::end(arr1)));
>> > +      assert(v[0].copied == 0);
>> > +      assert(v[0].value == 42);
>> > +    }
>> > +    {
>> > +      std::deque<T> v;
>> > +      v.assign(It(arr2), It(std::end(arr2)));
>> > +      //assert(v[0].copied == 0);
>> > +      assert(v[0].value == 1);
>> > +      //assert(v[1].copied == 0);
>> > +      assert(v[1].value == 101);
>> > +      assert(v[2].copied == 0);
>> > +      assert(v[2].value == 42);
>> > +    }
>> > +  }
>> > +#endif
>> > +}
>> > +
>> > +int main() {
>> > +  basic_test();
>> > +  test_emplacable_concept();
>> > +}
>> >
>> > Modified:
>> > libcxx/trunk/test/std/containers/sequences/deque/deque.cons/iter_iter.pass.cpp
>> > URL:
>> > http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/std/containers/sequences/deque/deque.cons/iter_iter.pass.cpp?rev=315994&r1=315993&r2=315994&view=diff
>> >
>> > ==============================================================================
>> > ---
>> > libcxx/trunk/test/std/containers/sequences/deque/deque.cons/iter_iter.pass.cpp
>> > (original)
>> > +++
>> > libcxx/trunk/test/std/containers/sequences/deque/deque.cons/iter_iter.pass.cpp
>> > Tue Oct 17 06:03:17 2017
>> > @@ -15,9 +15,13 @@
>> > #include <cassert>
>> > #include <cstddef>
>> >
>> > +#include "test_macros.h"
>> > #include "test_allocator.h"
>> > #include "test_iterators.h"
>> > #include "min_allocator.h"
>> > +#if TEST_STD_VER >= 11
>> > +#include "emplace_constructible.h"
>> > +#endif
>> >
>> > template <class InputIterator>
>> > void
>> > @@ -48,7 +52,7 @@ test(InputIterator f, InputIterator l)
>> >         assert(*i == *f);
>> > }
>> >
>> > -int main()
>> > +void basic_test()
>> > {
>> >     int ab[] = {3, 4, 2, 8, 0, 1, 44, 34, 45, 96, 80, 1, 13, 31, 45};
>> >     int* an = ab + sizeof(ab)/sizeof(ab[0]);
>> > @@ -61,3 +65,48 @@ int main()
>> >     test<min_allocator<int> >(ab, an);
>> > #endif
>> > }
>> > +
>> > +
>> > +void test_emplacable_concept() {
>> > +#if TEST_STD_VER >= 11
>> > +  int arr1[] = {42};
>> > +  int arr2[] = {1, 101, 42};
>> > +  {
>> > +    using T = EmplaceConstructibleAndMoveable<int>;
>> > +    using It = random_access_iterator<int*>;
>> > +    {
>> > +      std::deque<T> v(It(arr1), It(std::end(arr1)));
>> > +      assert(v[0].value == 42);
>> > +    }
>> > +    {
>> > +      std::deque<T> v(It(arr2), It(std::end(arr2)));
>> > +      assert(v[0].value == 1);
>> > +      assert(v[1].value == 101);
>> > +      assert(v[2].value == 42);
>> > +    }
>> > +  }
>> > +  {
>> > +    using T = EmplaceConstructibleAndMoveable<int>;
>> > +    using It = input_iterator<int*>;
>> > +    {
>> > +      std::deque<T> v(It(arr1), It(std::end(arr1)));
>> > +      assert(v[0].copied == 0);
>> > +      assert(v[0].value == 42);
>> > +    }
>> > +    {
>> > +      std::deque<T> v(It(arr2), It(std::end(arr2)));
>> > +      //assert(v[0].copied == 0);
>> > +      assert(v[0].value == 1);
>> > +      //assert(v[1].copied == 0);
>> > +      assert(v[1].value == 101);
>> > +      assert(v[2].copied == 0);
>> > +      assert(v[2].value == 42);
>> > +    }
>> > +  }
>> > +#endif
>> > +}
>> > +
>> > +int main() {
>> > +  basic_test();
>> > +  test_emplacable_concept();
>> > +}
>> >
>> > Modified:
>> > libcxx/trunk/test/std/containers/sequences/deque/deque.cons/iter_iter_alloc.pass.cpp
>> > URL:
>> > http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/std/containers/sequences/deque/deque.cons/iter_iter_alloc.pass.cpp?rev=315994&r1=315993&r2=315994&view=diff
>> >
>> > ==============================================================================
>> > ---
>> > libcxx/trunk/test/std/containers/sequences/deque/deque.cons/iter_iter_alloc.pass.cpp
>> > (original)
>> > +++
>> > libcxx/trunk/test/std/containers/sequences/deque/deque.cons/iter_iter_alloc.pass.cpp
>> > Tue Oct 17 06:03:17 2017
>> > @@ -16,9 +16,13 @@
>> > #include <cassert>
>> > #include <cstddef>
>> >
>> > +#include "test_macros.h"
>> > #include "test_iterators.h"
>> > #include "test_allocator.h"
>> > #include "min_allocator.h"
>> > +#if TEST_STD_VER >= 11
>> > +#include "emplace_constructible.h"
>> > +#endif
>> >
>> > template <class InputIterator, class Allocator>
>> > void
>> > @@ -35,7 +39,7 @@ test(InputIterator f, InputIterator l, c
>> >         assert(*i == *f);
>> > }
>> >
>> > -int main()
>> > +void basic_test()
>> > {
>> >     int ab[] = {3, 4, 2, 8, 0, 1, 44, 34, 45, 96, 80, 1, 13, 31, 45};
>> >     int* an = ab + sizeof(ab)/sizeof(ab[0]);
>> > @@ -50,3 +54,50 @@ int main()
>> >     test(random_access_iterator<const int*>(ab),
>> > random_access_iterator<const int*>(an), min_allocator<int>());
>> > #endif
>> > }
>> > +
>> > +
>> > +void test_emplacable_concept() {
>> > +#if TEST_STD_VER >= 11
>> > +  int arr1[] = {42};
>> > +  int arr2[] = {1, 101, 42};
>> > +  {
>> > +    using T = EmplaceConstructibleAndMoveable<int>;
>> > +    using It = random_access_iterator<int*>;
>> > +    std::allocator<T> a;
>> > +    {
>> > +      std::deque<T> v(It(arr1), It(std::end(arr1)), a);
>> > +      assert(v[0].value == 42);
>> > +    }
>> > +    {
>> > +      std::deque<T> v(It(arr2), It(std::end(arr2)), a);
>> > +      assert(v[0].value == 1);
>> > +      assert(v[1].value == 101);
>> > +      assert(v[2].value == 42);
>> > +    }
>> > +  }
>> > +  {
>> > +    using T = EmplaceConstructibleAndMoveable<int>;
>> > +    using It = input_iterator<int*>;
>> > +    std::allocator<T> a;
>> > +    {
>> > +      std::deque<T> v(It(arr1), It(std::end(arr1)), a);
>> > +      assert(v[0].copied == 0);
>> > +      assert(v[0].value == 42);
>> > +    }
>> > +    {
>> > +      std::deque<T> v(It(arr2), It(std::end(arr2)), a);
>> > +      //assert(v[0].copied == 0);
>> > +      assert(v[0].value == 1);
>> > +      //assert(v[1].copied == 0);
>> > +      assert(v[1].value == 101);
>> > +      assert(v[2].copied == 0);
>> > +      assert(v[2].value == 42);
>> > +    }
>> > +  }
>> > +#endif
>> > +}
>> > +
>> > +int main() {
>> > +  basic_test();
>> > +  test_emplacable_concept();
>> > +}
>> >
>> > Modified:
>> > libcxx/trunk/test/std/containers/sequences/list/list.cons/input_iterator.pass.cpp
>> > URL:
>> > http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/std/containers/sequences/list/list.cons/input_iterator.pass.cpp?rev=315994&r1=315993&r2=315994&view=diff
>> >
>> > ==============================================================================
>> > ---
>> > libcxx/trunk/test/std/containers/sequences/list/list.cons/input_iterator.pass.cpp
>> > (original)
>> > +++
>> > libcxx/trunk/test/std/containers/sequences/list/list.cons/input_iterator.pass.cpp
>> > Tue Oct 17 06:03:17 2017
>> > @@ -17,8 +17,12 @@
>> > #include "test_iterators.h"
>> > #include "test_allocator.h"
>> > #include "min_allocator.h"
>> > +#if TEST_STD_VER >= 11
>> > +#include "emplace_constructible.h"
>> > +#include "container_test_types.h"
>> > +#endif
>> >
>> > -int main()
>> > +void basic_test()
>> > {
>> >     {
>> >         int a[] = {0, 1, 2, 3};
>> > @@ -76,3 +80,179 @@ int main()
>> >     }
>> > #endif
>> > }
>> > +
>> > +
>> > +
>> > +void test_emplacable_concept() {
>> > +#if TEST_STD_VER >= 11
>> > +  int arr1[] = {42};
>> > +  int arr2[] = {1, 101, 42};
>> > +  {
>> > +    using T = EmplaceConstructible<int>;
>> > +    using It = random_access_iterator<int*>;
>> > +    {
>> > +      std::list<T> v(It(arr1), It(std::end(arr1)));
>> > +      auto I = v.begin();
>> > +      assert(I->value == 42);
>> > +    }
>> > +    {
>> > +      std::list<T> v(It(arr2), It(std::end(arr2)));
>> > +      auto I = v.begin();
>> > +      assert(I->value == 1);
>> > +      ++I;
>> > +      assert(I->value == 101);
>> > +      ++I;
>> > +      assert(I->value == 42);
>> > +    }
>> > +  }
>> > +  {
>> > +    using T = EmplaceConstructible<int>;
>> > +    using It = input_iterator<int*>;
>> > +    {
>> > +      std::list<T> v(It(arr1), It(std::end(arr1)));
>> > +      auto I = v.begin();
>> > +      assert(I->value == 42);
>> > +    }
>> > +    {
>> > +      std::list<T> v(It(arr2), It(std::end(arr2)));
>> > +      auto I = v.begin();
>> > +      //assert(v[0].copied == 0);
>> > +      assert(I->value == 1);
>> > +      //assert(v[1].copied == 0);
>> > +      ++I;
>> > +      assert(I->value == 101);
>> > +      ++I;
>> > +      assert(I->value == 42);
>> > +    }
>> > +  }
>> > +#endif
>> > +}
>> > +
>> > +
>> > +
>> > +void test_emplacable_concept_with_alloc() {
>> > +#if TEST_STD_VER >= 11
>> > +  int arr1[] = {42};
>> > +  int arr2[] = {1, 101, 42};
>> > +  {
>> > +    using T = EmplaceConstructible<int>;
>> > +    using It = random_access_iterator<int*>;
>> > +    std::allocator<T> a;
>> > +    {
>> > +      std::list<T> v(It(arr1), It(std::end(arr1)), a);
>> > +      auto I = v.begin();
>> > +      assert(I->value == 42);
>> > +    }
>> > +    {
>> > +      std::list<T> v(It(arr2), It(std::end(arr2)), a);
>> > +      auto I = v.begin();
>> > +      assert(I->value == 1);
>> > +      ++I;
>> > +      assert(I->value == 101);
>> > +      ++I;
>> > +      assert(I->value == 42);
>> > +    }
>> > +  }
>> > +  {
>> > +    using T = EmplaceConstructible<int>;
>> > +    using It = input_iterator<int*>;
>> > +    std::allocator<T> a;
>> > +    {
>> > +      std::list<T> v(It(arr1), It(std::end(arr1)), a);
>> > +      auto I = v.begin();
>> > +      assert(I->value == 42);
>> > +    }
>> > +    {
>> > +      std::list<T> v(It(arr2), It(std::end(arr2)), a);
>> > +      auto I = v.begin();
>> > +      //assert(v[0].copied == 0);
>> > +      assert(I->value == 1);
>> > +      //assert(v[1].copied == 0);
>> > +      ++I;
>> > +      assert(I->value == 101);
>> > +      ++I;
>> > +      assert(I->value == 42);
>> > +    }
>> > +  }
>> > +#endif
>> > +}
>> > +
>> > +void test_ctor_under_alloc() {
>> > +#if TEST_STD_VER >= 11
>> > +  int arr1[] = {42};
>> > +  int arr2[] = {1, 101, 42};
>> > +  {
>> > +    using C = TCT::list<>;
>> > +    using T = typename C::value_type;
>> > +    using It = forward_iterator<int*>;
>> > +    {
>> > +      ExpectConstructGuard<int&> G(1);
>> > +      C v(It(arr1), It(std::end(arr1)));
>> > +    }
>> > +    {
>> > +      ExpectConstructGuard<int&> G(3);
>> > +      C v(It(arr2), It(std::end(arr2)));
>> > +    }
>> > +  }
>> > +  {
>> > +    using C = TCT::list<>;
>> > +    using T = typename C::value_type;
>> > +    using It = input_iterator<int*>;
>> > +    {
>> > +      ExpectConstructGuard<int&> G(1);
>> > +      C v(It(arr1), It(std::end(arr1)));
>> > +    }
>> > +    {
>> > +      ExpectConstructGuard<int&> G(3);
>> > +      C v(It(arr2), It(std::end(arr2)));
>> > +    }
>> > +  }
>> > +#endif
>> > +}
>> > +
>> > +void test_ctor_under_alloc_with_alloc() {
>> > +#if TEST_STD_VER >= 11
>> > +  int arr1[] = {42};
>> > +  int arr2[] = {1, 101, 42};
>> > +  {
>> > +    using C = TCT::list<>;
>> > +    using T = typename C::value_type;
>> > +    using It = forward_iterator<int*>;
>> > +    using Alloc = typename C::allocator_type;
>> > +    Alloc a;
>> > +    {
>> > +      ExpectConstructGuard<int&> G(1);
>> > +      C v(It(arr1), It(std::end(arr1)), a);
>> > +    }
>> > +    {
>> > +      ExpectConstructGuard<int&> G(3);
>> > +      C v(It(arr2), It(std::end(arr2)), a);
>> > +    }
>> > +  }
>> > +  {
>> > +    using C = TCT::list<>;
>> > +    using T = typename C::value_type;
>> > +    using It = input_iterator<int*>;
>> > +    using Alloc = typename C::allocator_type;
>> > +    Alloc a;
>> > +    {
>> > +      ExpectConstructGuard<int&> G(1);
>> > +      C v(It(arr1), It(std::end(arr1)), a);
>> > +    }
>> > +    {
>> > +      ExpectConstructGuard<int&> G(3);
>> > +      C v(It(arr2), It(std::end(arr2)), a);
>> > +    }
>> > +  }
>> > +#endif
>> > +}
>> > +
>> > +
>> > +
>> > +int main() {
>> > +  basic_test();
>> > +  test_emplacable_concept();
>> > +  test_emplacable_concept_with_alloc();
>> > +  test_ctor_under_alloc();
>> > +  test_ctor_under_alloc_with_alloc();
>> > +}
>> >
>> > Added:
>> > libcxx/trunk/test/std/containers/sequences/vector/vector.cons/assign_iter_iter.pass.cpp
>> > URL:
>> > http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/std/containers/sequences/vector/vector.cons/assign_iter_iter.pass.cpp?rev=315994&view=auto
>> >
>> > ==============================================================================
>> > ---
>> > libcxx/trunk/test/std/containers/sequences/vector/vector.cons/assign_iter_iter.pass.cpp
>> > (added)
>> > +++
>> > libcxx/trunk/test/std/containers/sequences/vector/vector.cons/assign_iter_iter.pass.cpp
>> > Tue Oct 17 06:03:17 2017
>> > @@ -0,0 +1,76 @@
>> >
>> > +//===----------------------------------------------------------------------===//
>> > +//
>> > +//                     The LLVM Compiler Infrastructure
>> > +//
>> > +// This file is dual licensed under the MIT and the University of
>> > Illinois Open
>> > +// Source Licenses. See LICENSE.TXT for details.
>> > +//
>> >
>> > +//===----------------------------------------------------------------------===//
>> > +
>> > +// <vector>
>> > +
>> > +// void assign(size_type n, const_reference v);
>> > +
>> > +#include <vector>
>> > +#include <algorithm>
>> > +#include <cassert>
>> > +#include <iostream>
>> > +#include "test_macros.h"
>> > +#include "min_allocator.h"
>> > +#include "asan_testing.h"
>> > +#include "test_iterators.h"
>> > +#if TEST_STD_VER >= 11
>> > +#include "emplace_constructible.h"
>> > +#include "container_test_types.h"
>> > +#endif
>> > +
>> > +
>> > +void test_emplaceable_concept() {
>> > +#if TEST_STD_VER >= 11
>> > +  int arr1[] = {42};
>> > +  int arr2[] = {1, 101, 42};
>> > +  {
>> > +    using T = EmplaceConstructibleMoveableAndAssignable<int>;
>> > +    using It = forward_iterator<int*>;
>> > +    {
>> > +      std::vector<T> v;
>> > +      v.assign(It(arr1), It(std::end(arr1)));
>> > +      assert(v[0].value == 42);
>> > +    }
>> > +    {
>> > +      std::vector<T> v;
>> > +      v.assign(It(arr2), It(std::end(arr2)));
>> > +      assert(v[0].value == 1);
>> > +      assert(v[1].value == 101);
>> > +      assert(v[2].value == 42);
>> > +    }
>> > +  }
>> > +  {
>> > +    using T = EmplaceConstructibleMoveableAndAssignable<int>;
>> > +    using It = input_iterator<int*>;
>> > +    {
>> > +      std::vector<T> v;
>> > +      v.assign(It(arr1), It(std::end(arr1)));
>> > +      assert(v[0].copied == 0);
>> > +      assert(v[0].value == 42);
>> > +    }
>> > +    {
>> > +      std::vector<T> v;
>> > +      v.assign(It(arr2), It(std::end(arr2)));
>> > +      //assert(v[0].copied == 0);
>> > +      assert(v[0].value == 1);
>> > +      //assert(v[1].copied == 0);
>> > +      assert(v[1].value == 101);
>> > +      assert(v[2].copied == 0);
>> > +      assert(v[2].value == 42);
>> > +    }
>> > +  }
>> > +#endif
>> > +}
>> > +
>> > +
>> > +
>> > +int main()
>> > +{
>> > +    test_emplaceable_concept();
>> > +}
>> >
>> > Modified:
>> > libcxx/trunk/test/std/containers/sequences/vector/vector.cons/construct_iter_iter.pass.cpp
>> > URL:
>> > http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/std/containers/sequences/vector/vector.cons/construct_iter_iter.pass.cpp?rev=315994&r1=315993&r2=315994&view=diff
>> >
>> > ==============================================================================
>> > ---
>> > libcxx/trunk/test/std/containers/sequences/vector/vector.cons/construct_iter_iter.pass.cpp
>> > (original)
>> > +++
>> > libcxx/trunk/test/std/containers/sequences/vector/vector.cons/construct_iter_iter.pass.cpp
>> > Tue Oct 17 06:03:17 2017
>> > @@ -20,40 +20,137 @@
>> > #include "test_allocator.h"
>> > #include "min_allocator.h"
>> > #include "asan_testing.h"
>> > +#if TEST_STD_VER >= 11
>> > +#include "emplace_constructible.h"
>> > +#include "container_test_types.h"
>> > +#endif
>> >
>> > template <class C, class Iterator>
>> > -void
>> > -test(Iterator first, Iterator last)
>> > -{
>> > -    C c(first, last);
>> > -    LIBCPP_ASSERT(c.__invariants());
>> > -    assert(c.size() == static_cast<std::size_t>(std::distance(first,
>> > last)));
>> > -    LIBCPP_ASSERT(is_contiguous_container_asan_correct(c));
>> > -    for (typename C::const_iterator i = c.cbegin(), e = c.cend(); i !=
>> > e; ++i, ++first)
>> > -        assert(*i == *first);
>> > +void test(Iterator first, Iterator last) {
>> > +  C c(first, last);
>> > +  LIBCPP_ASSERT(c.__invariants());
>> > +  assert(c.size() == static_cast<std::size_t>(std::distance(first,
>> > last)));
>> > +  LIBCPP_ASSERT(is_contiguous_container_asan_correct(c));
>> > +  for (typename C::const_iterator i = c.cbegin(), e = c.cend(); i != e;
>> > +       ++i, ++first)
>> > +    assert(*i == *first);
>> > +}
>> > +
>> > +static void basic_test_cases() {
>> > +  int a[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 8, 7, 6, 5, 4, 3, 1, 0};
>> > +  int* an = a + sizeof(a) / sizeof(a[0]);
>> > +  test<std::vector<int> >(input_iterator<const int*>(a),
>> > +                          input_iterator<const int*>(an));
>> > +  test<std::vector<int> >(forward_iterator<const int*>(a),
>> > +                          forward_iterator<const int*>(an));
>> > +  test<std::vector<int> >(bidirectional_iterator<const int*>(a),
>> > +                          bidirectional_iterator<const int*>(an));
>> > +  test<std::vector<int> >(random_access_iterator<const int*>(a),
>> > +                          random_access_iterator<const int*>(an));
>> > +  test<std::vector<int> >(a, an);
>> > +
>> > +  test<std::vector<int, limited_allocator<int, 63> > >(
>> > +      input_iterator<const int*>(a), input_iterator<const int*>(an));
>> > +  // Add 1 for implementations that dynamically allocate a container
>> > proxy.
>> > +  test<std::vector<int, limited_allocator<int, 18 + 1> > >(
>> > +      forward_iterator<const int*>(a), forward_iterator<const
>> > int*>(an));
>> > +  test<std::vector<int, limited_allocator<int, 18 + 1> > >(
>> > +      bidirectional_iterator<const int*>(a),
>> > +      bidirectional_iterator<const int*>(an));
>> > +  test<std::vector<int, limited_allocator<int, 18 + 1> > >(
>> > +      random_access_iterator<const int*>(a),
>> > +      random_access_iterator<const int*>(an));
>> > +  test<std::vector<int, limited_allocator<int, 18 + 1> > >(a, an);
>> > +#if TEST_STD_VER >= 11
>> > +  test<std::vector<int, min_allocator<int> > >(input_iterator<const
>> > int*>(a),
>> > +                                               input_iterator<const
>> > int*>(an));
>> > +  test<std::vector<int, min_allocator<int> > >(
>> > +      forward_iterator<const int*>(a), forward_iterator<const
>> > int*>(an));
>> > +  test<std::vector<int, min_allocator<int> > >(
>> > +      bidirectional_iterator<const int*>(a),
>> > +      bidirectional_iterator<const int*>(an));
>> > +  test<std::vector<int, min_allocator<int> > >(
>> > +      random_access_iterator<const int*>(a),
>> > +      random_access_iterator<const int*>(an));
>> > +  test<std::vector<int> >(a, an);
>> > +#endif
>> > }
>> >
>> > -int main()
>> > -{
>> > -    int a[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 8, 7, 6, 5, 4, 3, 1, 0};
>> > -    int* an = a + sizeof(a)/sizeof(a[0]);
>> > -    test<std::vector<int> >(input_iterator<const int*>(a),
>> > input_iterator<const int*>(an));
>> > -    test<std::vector<int> >(forward_iterator<const int*>(a),
>> > forward_iterator<const int*>(an));
>> > -    test<std::vector<int> >(bidirectional_iterator<const int*>(a),
>> > bidirectional_iterator<const int*>(an));
>> > -    test<std::vector<int> >(random_access_iterator<const int*>(a),
>> > random_access_iterator<const int*>(an));
>> > -    test<std::vector<int> >(a, an);
>> > -
>> > -    test<std::vector<int, limited_allocator<int, 63> >
>> > >(input_iterator<const int*>(a), input_iterator<const int*>(an));
>> > -    // Add 1 for implementations that dynamically allocate a container
>> > proxy.
>> > -    test<std::vector<int, limited_allocator<int, 18 + 1> >
>> > >(forward_iterator<const int*>(a), forward_iterator<const int*>(an));
>> > -    test<std::vector<int, limited_allocator<int, 18 + 1> >
>> > >(bidirectional_iterator<const int*>(a), bidirectional_iterator<const
>> > int*>(an));
>> > -    test<std::vector<int, limited_allocator<int, 18 + 1> >
>> > >(random_access_iterator<const int*>(a), random_access_iterator<const
>> > int*>(an));
>> > -    test<std::vector<int, limited_allocator<int, 18 + 1> > >(a, an);
>> > +void emplaceable_concept_tests() {
>> > #if TEST_STD_VER >= 11
>> > -    test<std::vector<int, min_allocator<int>> >(input_iterator<const
>> > int*>(a), input_iterator<const int*>(an));
>> > -    test<std::vector<int, min_allocator<int>> >(forward_iterator<const
>> > int*>(a), forward_iterator<const int*>(an));
>> > -    test<std::vector<int, min_allocator<int>>
>> > >(bidirectional_iterator<const int*>(a), bidirectional_iterator<const
>> > int*>(an));
>> > -    test<std::vector<int, min_allocator<int>>
>> > >(random_access_iterator<const int*>(a), random_access_iterator<const
>> > int*>(an));
>> > -    test<std::vector<int> >(a, an);
>> > +  int arr1[] = {42};
>> > +  int arr2[] = {1, 101, 42};
>> > +  {
>> > +    using T = EmplaceConstructible<int>;
>> > +    using It = forward_iterator<int*>;
>> > +    {
>> > +      std::vector<T> v(It(arr1), It(std::end(arr1)));
>> > +      assert(v[0].value == 42);
>> > +    }
>> > +    {
>> > +      std::vector<T> v(It(arr2), It(std::end(arr2)));
>> > +      assert(v[0].value == 1);
>> > +      assert(v[1].value == 101);
>> > +      assert(v[2].value == 42);
>> > +    }
>> > +  }
>> > +  {
>> > +    using T = EmplaceConstructibleAndMoveInsertable<int>;
>> > +    using It = input_iterator<int*>;
>> > +    {
>> > +      std::vector<T> v(It(arr1), It(std::end(arr1)));
>> > +      assert(v[0].copied == 0);
>> > +      assert(v[0].value == 42);
>> > +    }
>> > +    {
>> > +      std::vector<T> v(It(arr2), It(std::end(arr2)));
>> > +      //assert(v[0].copied == 0);
>> > +      assert(v[0].value == 1);
>> > +      //assert(v[1].copied == 0);
>> > +      assert(v[1].value == 101);
>> > +      assert(v[2].copied == 0);
>> > +      assert(v[2].value == 42);
>> > +    }
>> > +  }
>> > #endif
>> > }
>> > +
>> > +void test_ctor_under_alloc() {
>> > +#if TEST_STD_VER >= 11
>> > +  int arr1[] = {42};
>> > +  int arr2[] = {1, 101, 42};
>> > +  {
>> > +    using C = TCT::vector<>;
>> > +    using T = typename C::value_type;
>> > +    using It = forward_iterator<int*>;
>> > +    {
>> > +      ExpectConstructGuard<int&> G(1);
>> > +      C v(It(arr1), It(std::end(arr1)));
>> > +    }
>> > +    {
>> > +      ExpectConstructGuard<int&> G(3);
>> > +      C v(It(arr2), It(std::end(arr2)));
>> > +    }
>> > +  }
>> > +  {
>> > +    using C = TCT::vector<>;
>> > +    using T = typename C::value_type;
>> > +    using It = input_iterator<int*>;
>> > +    {
>> > +      ExpectConstructGuard<int&> G(1);
>> > +      C v(It(arr1), It(std::end(arr1)));
>> > +    }
>> > +    {
>> > +      //ExpectConstructGuard<int&> G(3);
>> > +      //C v(It(arr2), It(std::end(arr2)), a);
>> > +    }
>> > +  }
>> > +#endif
>> > +}
>> > +
>> > +
>> > +int main() {
>> > +  basic_test_cases();
>> > +  emplaceable_concept_tests(); // See PR34898
>> > +  test_ctor_under_alloc();
>> > +}
>> >
>> > Modified:
>> > libcxx/trunk/test/std/containers/sequences/vector/vector.cons/construct_iter_iter_alloc.pass.cpp
>> > URL:
>> > http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/std/containers/sequences/vector/vector.cons/construct_iter_iter_alloc.pass.cpp?rev=315994&r1=315993&r2=315994&view=diff
>> >
>> > ==============================================================================
>> > ---
>> > libcxx/trunk/test/std/containers/sequences/vector/vector.cons/construct_iter_iter_alloc.pass.cpp
>> > (original)
>> > +++
>> > libcxx/trunk/test/std/containers/sequences/vector/vector.cons/construct_iter_iter_alloc.pass.cpp
>> > Tue Oct 17 06:03:17 2017
>> > @@ -21,56 +21,152 @@
>> > #include "test_allocator.h"
>> > #include "min_allocator.h"
>> > #include "asan_testing.h"
>> > +#if TEST_STD_VER >= 11
>> > +#include "emplace_constructible.h"
>> > +#include "container_test_types.h"
>> > +#endif
>> >
>> > template <class C, class Iterator, class A>
>> > -void
>> > -test(Iterator first, Iterator last, const A& a)
>> > -{
>> > -    C c(first, last, a);
>> > -    LIBCPP_ASSERT(c.__invariants());
>> > -    assert(c.size() == static_cast<std::size_t>(std::distance(first,
>> > last)));
>> > -    LIBCPP_ASSERT(is_contiguous_container_asan_correct(c));
>> > -    for (typename C::const_iterator i = c.cbegin(), e = c.cend(); i !=
>> > e; ++i, ++first)
>> > -        assert(*i == *first);
>> > +void test(Iterator first, Iterator last, const A& a) {
>> > +  C c(first, last, a);
>> > +  LIBCPP_ASSERT(c.__invariants());
>> > +  assert(c.size() == static_cast<std::size_t>(std::distance(first,
>> > last)));
>> > +  LIBCPP_ASSERT(is_contiguous_container_asan_correct(c));
>> > +  for (typename C::const_iterator i = c.cbegin(), e = c.cend(); i != e;
>> > +       ++i, ++first)
>> > +    assert(*i == *first);
>> > }
>> >
>> > #if TEST_STD_VER >= 11
>> >
>> > template <class T>
>> > -struct implicit_conv_allocator : min_allocator<T>
>> > -{
>> > -    implicit_conv_allocator(void*) {}
>> > -    implicit_conv_allocator(const implicit_conv_allocator&) = default;
>> > +struct implicit_conv_allocator : min_allocator<T> {
>> > +  implicit_conv_allocator(void*) {}
>> > +  implicit_conv_allocator(const implicit_conv_allocator&) = default;
>> >
>> > -    template <class U>
>> > -    implicit_conv_allocator(implicit_conv_allocator<U>) {}
>> > +  template <class U>
>> > +  implicit_conv_allocator(implicit_conv_allocator<U>) {}
>> > };
>> >
>> > #endif
>> >
>> > -int main()
>> > -{
>> > -    {
>> > +void basic_tests() {
>> > +  {
>> >     int a[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 8, 7, 6, 5, 4, 3, 1, 0};
>> > -    int* an = a + sizeof(a)/sizeof(a[0]);
>> > +    int* an = a + sizeof(a) / sizeof(a[0]);
>> >     std::allocator<int> alloc;
>> > -    test<std::vector<int> >(input_iterator<const int*>(a),
>> > input_iterator<const int*>(an), alloc);
>> > -    test<std::vector<int> >(forward_iterator<const int*>(a),
>> > forward_iterator<const int*>(an), alloc);
>> > -    test<std::vector<int> >(bidirectional_iterator<const int*>(a),
>> > bidirectional_iterator<const int*>(an), alloc);
>> > -    test<std::vector<int> >(random_access_iterator<const int*>(a),
>> > random_access_iterator<const int*>(an), alloc);
>> > +    test<std::vector<int> >(input_iterator<const int*>(a),
>> > +                            input_iterator<const int*>(an), alloc);
>> > +    test<std::vector<int> >(forward_iterator<const int*>(a),
>> > +                            forward_iterator<const int*>(an), alloc);
>> > +    test<std::vector<int> >(bidirectional_iterator<const int*>(a),
>> > +                            bidirectional_iterator<const int*>(an),
>> > alloc);
>> > +    test<std::vector<int> >(random_access_iterator<const int*>(a),
>> > +                            random_access_iterator<const int*>(an),
>> > alloc);
>> >     test<std::vector<int> >(a, an, alloc);
>> > -    }
>> > +  }
>> > #if TEST_STD_VER >= 11
>> > -    {
>> > +  {
>> >     int a[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 8, 7, 6, 5, 4, 3, 1, 0};
>> > -    int* an = a + sizeof(a)/sizeof(a[0]);
>> > +    int* an = a + sizeof(a) / sizeof(a[0]);
>> >     min_allocator<int> alloc;
>> > -    test<std::vector<int, min_allocator<int>> >(input_iterator<const
>> > int*>(a), input_iterator<const int*>(an), alloc);
>> > -    test<std::vector<int, min_allocator<int>> >(forward_iterator<const
>> > int*>(a), forward_iterator<const int*>(an), alloc);
>> > -    test<std::vector<int, min_allocator<int>>
>> > >(bidirectional_iterator<const int*>(a), bidirectional_iterator<const
>> > int*>(an), alloc);
>> > -    test<std::vector<int, min_allocator<int>>
>> > >(random_access_iterator<const int*>(a), random_access_iterator<const
>> > int*>(an), alloc);
>> > -    test<std::vector<int, min_allocator<int>> >(a, an, alloc);
>> > -    test<std::vector<int, implicit_conv_allocator<int>> >(a, an,
>> > nullptr);
>> > +    test<std::vector<int, min_allocator<int> > >(
>> > +        input_iterator<const int*>(a), input_iterator<const int*>(an),
>> > alloc);
>> > +    test<std::vector<int, min_allocator<int> > >(
>> > +        forward_iterator<const int*>(a), forward_iterator<const
>> > int*>(an),
>> > +        alloc);
>> > +    test<std::vector<int, min_allocator<int> > >(
>> > +        bidirectional_iterator<const int*>(a),
>> > +        bidirectional_iterator<const int*>(an), alloc);
>> > +    test<std::vector<int, min_allocator<int> > >(
>> > +        random_access_iterator<const int*>(a),
>> > +        random_access_iterator<const int*>(an), alloc);
>> > +    test<std::vector<int, min_allocator<int> > >(a, an, alloc);
>> > +    test<std::vector<int, implicit_conv_allocator<int> > >(a, an,
>> > nullptr);
>> > +  }
>> > +#endif
>> > +}
>> > +
>> > +void emplaceable_concept_tests() {
>> > +#if TEST_STD_VER >= 11
>> > +  int arr1[] = {42};
>> > +  int arr2[] = {1, 101, 42};
>> > +  {
>> > +    using T = EmplaceConstructible<int>;
>> > +    using It = forward_iterator<int*>;
>> > +    using Alloc = std::allocator<T>;
>> > +    Alloc a;
>> > +    {
>> > +      std::vector<T> v(It(arr1), It(std::end(arr1)), a);
>> > +      assert(v[0].value == 42);
>> > +    }
>> > +    {
>> > +      std::vector<T> v(It(arr2), It(std::end(arr2)), a);
>> > +      assert(v[0].value == 1);
>> > +      assert(v[1].value == 101);
>> > +      assert(v[2].value == 42);
>> > +    }
>> > +  }
>> > +  {
>> > +    using T = EmplaceConstructibleAndMoveInsertable<int>;
>> > +    using It = input_iterator<int*>;
>> > +    using Alloc = std::allocator<T>;
>> > +    Alloc a;
>> > +    {
>> > +      std::vector<T> v(It(arr1), It(std::end(arr1)), a);
>> > +      assert(v[0].copied == 0);
>> > +      assert(v[0].value == 42);
>> > +    }
>> > +    {
>> > +      std::vector<T> v(It(arr2), It(std::end(arr2)), a);
>> > +      assert(v[0].value == 1);
>> > +      assert(v[1].value == 101);
>> > +      assert(v[2].copied == 0);
>> > +      assert(v[2].value == 42);
>> >     }
>> > +  }
>> > #endif
>> > }
>> > +
>> > +void test_ctor_under_alloc() {
>> > +#if TEST_STD_VER >= 11
>> > +  int arr1[] = {42};
>> > +  int arr2[] = {1, 101, 42};
>> > +  {
>> > +    using C = TCT::vector<>;
>> > +    using T = typename C::value_type;
>> > +    using It = forward_iterator<int*>;
>> > +    using Alloc = typename C::allocator_type;
>> > +    Alloc a;
>> > +    {
>> > +      ExpectConstructGuard<int&> G(1);
>> > +      C v(It(arr1), It(std::end(arr1)), a);
>> > +    }
>> > +    {
>> > +      ExpectConstructGuard<int&> G(3);
>> > +      C v(It(arr2), It(std::end(arr2)), a);
>> > +    }
>> > +  }
>> > +  {
>> > +    using C = TCT::vector<>;
>> > +    using T = typename C::value_type;
>> > +    using It = input_iterator<int*>;
>> > +    using Alloc = typename C::allocator_type;
>> > +    Alloc a;
>> > +    {
>> > +      ExpectConstructGuard<int&> G(1);
>> > +      C v(It(arr1), It(std::end(arr1)), a);
>> > +    }
>> > +    {
>> > +      //ExpectConstructGuard<int&> G(3);
>> > +      //C v(It(arr2), It(std::end(arr2)), a);
>> > +    }
>> > +  }
>> > +#endif
>> > +}
>> > +
>> > +int main() {
>> > +  basic_tests();
>> > +  emplaceable_concept_tests(); // See PR34898
>> > +  test_ctor_under_alloc();
>> > +}
>> >
>> > Modified: libcxx/trunk/test/support/container_test_types.h
>> > URL:
>> > http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/support/container_test_types.h?rev=315994&r1=315993&r2=315994&view=diff
>> >
>> > ==============================================================================
>> > --- libcxx/trunk/test/support/container_test_types.h (original)
>> > +++ libcxx/trunk/test/support/container_test_types.h Tue Oct 17 06:03:17
>> > 2017
>> > @@ -234,6 +234,19 @@ inline ConstructController* getConstruct
>> >   return &c;
>> > }
>> >
>> > +template <class ...Args>
>> > +struct ExpectConstructGuard {
>> > +  ExpectConstructGuard(int N)  {
>> > +    auto CC = getConstructController();
>> > +    assert(!CC->unchecked());
>> > +    CC->expect<Args...>(N);
>> > +  }
>> > +
>> > +  ~ExpectConstructGuard() {
>> > +    assert(!getConstructController()->unchecked());
>> > +  }
>> > +};
>> > +
>> >
>> > //===----------------------------------------------------------------------===//
>> > //                       ContainerTestAllocator
>> >
>> > //===----------------------------------------------------------------------===//
>> > @@ -417,7 +430,12 @@ namespace std {
>> >       return arg.data;
>> >     }
>> >   };
>> > -
>> > +  template <class T, class Alloc>
>> > +  class vector;
>> > +  template <class T, class Alloc>
>> > +  class deque;
>> > +  template <class T, class Alloc>
>> > +  class list;
>> >   template <class _Key, class _Value, class _Less, class _Alloc>
>> >   class map;
>> >   template <class _Key, class _Value, class _Less, class _Alloc>
>> > @@ -444,6 +462,13 @@ _LIBCPP_END_NAMESPACE_STD
>> > // TCT - Test container type
>> > namespace TCT {
>> >
>> > +template <class T = CopyInsertable<1>>
>> > +using vector = std::vector<T, ContainerTestAllocator<T, T> >;
>> > +template <class T = CopyInsertable<1>>
>> > +using deque = std::deque<T, ContainerTestAllocator<T, T> >;
>> > +template <class T = CopyInsertable<1>>
>> > +using list = std::list<T, ContainerTestAllocator<T, T> >;
>> > +
>> > template <class Key = CopyInsertable<1>, class Value =
>> > CopyInsertable<2>,
>> >           class ValueTp = std::pair<const Key, Value> >
>> > using unordered_map =
>> > @@ -488,5 +513,4 @@ using multiset =
>> >
>> > } // end namespace TCT
>> >
>> > -
>> > #endif // SUPPORT_CONTAINER_TEST_TYPES_H
>> >
>> > Added: libcxx/trunk/test/support/emplace_constructible.h
>> > URL:
>> > http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/support/emplace_constructible.h?rev=315994&view=auto
>> >
>> > ==============================================================================
>> > --- libcxx/trunk/test/support/emplace_constructible.h (added)
>> > +++ libcxx/trunk/test/support/emplace_constructible.h Tue Oct 17
>> > 06:03:17 2017
>> > @@ -0,0 +1,74 @@
>> > +#ifndef TEST_SUPPORT_EMPLACE_CONSTRUCTIBLE_H
>> > +#define TEST_SUPPORT_EMPLACE_CONSTRUCTIBLE_H
>> > +
>> > +#include "test_macros.h"
>> > +
>> > +#if TEST_STD_VER >= 11
>> > +template <class T>
>> > +struct EmplaceConstructible {
>> > +  T value;
>> > +  explicit EmplaceConstructible(T value) : value(value) {}
>> > +  EmplaceConstructible(EmplaceConstructible const&) = delete;
>> > +};
>> > +
>> > +template <class T>
>> > +struct EmplaceConstructibleAndMoveInsertable {
>> > +  int copied = 0;
>> > +  T value;
>> > +  explicit EmplaceConstructibleAndMoveInsertable(T value) :
>> > value(value) {}
>> > +
>> > +  EmplaceConstructibleAndMoveInsertable(
>> > +      EmplaceConstructibleAndMoveInsertable&& Other)
>> > +      : copied(Other.copied + 1), value(std::move(Other.value)) {}
>> > +};
>> > +
>> > +template <class T>
>> > +struct EmplaceConstructibleAndMoveable {
>> > +  int copied = 0;
>> > +  int assigned = 0;
>> > +  T value;
>> > +  explicit EmplaceConstructibleAndMoveable(T value) noexcept :
>> > value(value) {}
>> > +
>> > +  EmplaceConstructibleAndMoveable(EmplaceConstructibleAndMoveable&&
>> > Other)
>> > +      noexcept : copied(Other.copied + 1),
>> > +                 value(std::move(Other.value)) {}
>> > +
>> > +  EmplaceConstructibleAndMoveable&
>> > +  operator=(EmplaceConstructibleAndMoveable&& Other) noexcept {
>> > +    copied = Other.copied;
>> > +    assigned = Other.assigned + 1;
>> > +    value = std::move(Other.value);
>> > +    return *this;
>> > +  }
>> > +};
>> > +
>> > +template <class T>
>> > +struct EmplaceConstructibleMoveableAndAssignable {
>> > +  int copied = 0;
>> > +  int assigned = 0;
>> > +  T value;
>> > +  explicit EmplaceConstructibleMoveableAndAssignable(T value) noexcept
>> > +      : value(value) {}
>> > +
>> > +  EmplaceConstructibleMoveableAndAssignable(
>> > +      EmplaceConstructibleMoveableAndAssignable&& Other) noexcept
>> > +      : copied(Other.copied + 1),
>> > +        value(std::move(Other.value)) {}
>> > +
>> > +  EmplaceConstructibleMoveableAndAssignable&
>> > +  operator=(EmplaceConstructibleMoveableAndAssignable&& Other) noexcept
>> > {
>> > +    copied = Other.copied;
>> > +    assigned = Other.assigned + 1;
>> > +    value = std::move(Other.value);
>> > +    return *this;
>> > +  }
>> > +
>> > +  EmplaceConstructibleMoveableAndAssignable& operator=(T xvalue) {
>> > +    value = std::move(xvalue);
>> > +    ++assigned;
>> > +    return *this;
>> > +  }
>> > +};
>> > +#endif
>> > +
>> > +#endif // TEST_SUPPORT_EMPLACE_CONSTRUCTIBLE_H
>> >
>> >
>> > _______________________________________________
>> > cfe-commits mailing list
>> > cfe-commits at lists.llvm.org
>> > http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
>>
>
>
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-- 
Bruno Cardoso Lopes
http://www.brunocardoso.cc


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