[boost] [algorithm] Test failure in C++14

Subject: [boost] [algorithm] Test failure in C++14
From: Ben Pope (benpope81_at_[hidden])
Date: 2013-12-11 02:34:42

  "clang++-3.4" -c -x c++ -std=c++1y -stdlib=libc++ -O0 -g -fno-inline
-Wall -g -fPIC  -DBOOST_ALL_NO_LIB=1 -DBOOST_TEST_DYN_LINK=1
-DBOOST_TEST_NO_AUTO_LINK=1 -I".." -o
"/home/ben/development/boost/test/build/results/boost/bin.v2/libs/algorithm/test/is_permutation_test1.test/clang-linux-3.4~c14_libc++/debug/is_permutation_test1.o"
"../libs/algorithm/test/is_permutation_test1.cpp"

In file included from ../libs/algorithm/test/is_permutation_test1.cpp:13:
../boost/algorithm/cxx11/is_permutation.hpp:178:6: error: declaration
conflicts with target of using declaration already in scope
bool is_permutation ( ForwardIterator1 first1, ForwardIterator1 last1,
     ^
/usr/include/c++/v1/algorithm:1374:1: note: target of using declaration
is_permutation(_ForwardIterator1 __first1, _ForwardIterator1 __last1,
^
../boost/algorithm/cxx11/is_permutation.hpp:104:12: note: using declaration
using std::is_permutation;              // Section 25.2.12
           ^
../boost/algorithm/cxx11/is_permutation.hpp:205:6: error: declaration
conflicts with target of using declaration already in scope
bool is_permutation ( ForwardIterator1 first1, ForwardIterator1 last1,
     ^
/usr/include/c++/v1/algorithm:1361:1: note: target of using declaration
is_permutation(_ForwardIterator1 __first1, _ForwardIterator1 __last1,
^
../boost/algorithm/cxx11/is_permutation.hpp:104:12: note: using declaration
using std::is_permutation;              // Section 25.2.12
           ^
2 errors generated.

I haven't looked in detail, but it looks like those two overloads were
added in C++14 and need guarding with a suitable #if __cplusplus >=
C++1Y_version_here

Ben