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std:: quailfy the calls for cend/crend/cbegin/cend. Fixes bug 28927.

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@278282 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Marshall Clow
2016-08-10 20:04:46 +00:00
parent 3df1df14bf
commit 02e94f8095
2 changed files with 59 additions and 8 deletions
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16
include/iterator
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@@ -1632,16 +1632,16 @@ reverse_iterator<const _Ep*> rend(initializer_list<_Ep> __il)
template <class _Cp>
inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
auto cbegin(const _Cp& __c) -> decltype(begin(__c))
auto cbegin(const _Cp& __c) -> decltype(_VSTD::begin(__c))
{
return begin(__c);
return _VSTD::begin(__c);
}
template <class _Cp>
inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
auto cend(const _Cp& __c) -> decltype(end(__c))
auto cend(const _Cp& __c) -> decltype(_VSTD::end(__c))
{
return end(__c);
return _VSTD::end(__c);
}
template <class _Cp>
@@ -1674,16 +1674,16 @@ auto rend(const _Cp& __c) -> decltype(__c.rend())
template <class _Cp>
inline _LIBCPP_INLINE_VISIBILITY
auto crbegin(const _Cp& __c) -> decltype(rbegin(__c))
auto crbegin(const _Cp& __c) -> decltype(_VSTD::rbegin(__c))
{
return rbegin(__c);
return _VSTD::rbegin(__c);
}
template <class _Cp>
inline _LIBCPP_INLINE_VISIBILITY
auto crend(const _Cp& __c) -> decltype(rend(__c))
auto crend(const _Cp& __c) -> decltype(_VSTD::rend(__c))
{
return rend(__c);
return _VSTD::rend(__c);
}
#endif

51
test/std/iterators/iterator.range/begin-end.fail.cpp Normal file
View File

@@ -0,0 +1,51 @@
//===----------------------------------------------------------------------===//
//
// 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.
//
//===----------------------------------------------------------------------===//
#include "test_macros.h"
#if TEST_STD_VER < 11
#error
#else
// <iterator>
// template <class C> auto begin(C& c) -> decltype(c.begin());
// template <class C> auto begin(const C& c) -> decltype(c.begin());
// template <class C> auto end(C& c) -> decltype(c.end());
// template <class C> auto end(const C& c) -> decltype(c.end());
// template <class E> reverse_iterator<const E*> rbegin(initializer_list<E> il);
// template <class E> reverse_iterator<const E*> rend(initializer_list<E> il);
#include <iterator>
#include <cassert>
namespace Foo {
struct FakeContainer {};
typedef int FakeIter;
FakeIter begin(const FakeContainer &) { return 1; }
FakeIter end (const FakeContainer &) { return 2; }
FakeIter rbegin(const FakeContainer &) { return 3; }
FakeIter rend (const FakeContainer &) { return 4; }
FakeIter cbegin(const FakeContainer &) { return 11; }
FakeIter cend (const FakeContainer &) { return 12; }
FakeIter crbegin(const FakeContainer &) { return 13; }
FakeIter crend (const FakeContainer &) { return 14; }
}
int main(){
// Bug #28927 - shouldn't find these via ADL
(void) std::cbegin (Foo::FakeContainer());
(void) std::cend (Foo::FakeContainer());
(void) std::crbegin(Foo::FakeContainer());
(void) std::crend (Foo::FakeContainer());
}
#endif