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When possible, use `for (auto&` or `for (auto const&` when iterating using C++-11 style iterators.
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Build fails on gcc 4.8 since version 9.1.1 and commit 752416554086d5d34323bc14164d5084db83cfbd: libtests/cxx11.cc: In function 'void do_regex()': libtests/cxx11.cc:347:42: error: 'strlen' is not a member of 'std' std::cregex_iterator m3(str7, str7 + std::strlen(str7), expr4); ^ To fix the build failure, add missing include on cstring Fixes: - http://autobuild.buildroot.org/results/ad7fb68ae87850a85509eed80fd0cae8721b10c5 Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
