The suggestion by Clang seems perfectly fine. > With Clang trunk on my laptop, I get consistently about 1.0s for the push version, and 4.2s for the emplace ver

The suggestion by Clang seems perfectly fine. > With Clang trunk on my laptop, I get consistently about 1.0s for the push version, and 4.2s for the emplace version. Wow that is why we're not using C++ at work.