std:: quailfy the calls for cend/crend/cbegin/cend. Fixes bug 28927.
llvm-svn: 278282
Cr-Mirrored-From: sso://chromium.googlesource.com/_direct/external/github.com/llvm/llvm-project
Cr-Mirrored-Commit: 7725546a3263b81a792895aaa348d310263118ad
diff --git a/include/iterator b/include/iterator
index abd142e..0caabbb 100644
--- a/include/iterator
+++ b/include/iterator
@@ -1632,16 +1632,16 @@
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 @@
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
diff --git a/test/std/iterators/iterator.range/begin-end.fail.cpp b/test/std/iterators/iterator.range/begin-end.fail.cpp
new file mode 100644
index 0000000..1a14930
--- /dev/null
+++ b/test/std/iterators/iterator.range/begin-end.fail.cpp
@@ -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