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In C++0x mode, import iota and is_sorted from namespace std into namespace __gnu_cxx to avoid ambiguous call errors. copy_n would be a good candidate for this too, except it was standardized with a different return type. Tested: `make -k check-c++` on x86_64-unknown-linux-gnu. libstdc++-v3/ChangeLog: 2011-04-06 Jeffrey Yasskin <jyasskin@google.com> * include/ext/algorithm (is_sorted): In C++0x mode import from namespace std. * include/ext/numeric (iota): In C++0x mode import from namespace std. * testsuite/ext/is_sorted/cxx0x.cc: New. * testsuite/ext/iota/cxx0x.cc: New. From-SVN: r172073