[Bug libstdc++/40088] Creating a std::ostringstream object locks a global mutex

[paolo dot carlini at oracle dot com]

------- Comment #12 from paolo dot carlini at oracle dot com  2009-12-18 09:51 -------
David, I committed a patch which should alleviate the problem, any chance you
can tell us whether you are seeing an improvement?

More tweaks (within the C++0x model still) are possible, but seems hard to
implement without breaking the (generalized) ABI compatibility:

  http://gcc.gnu.org/ml/libstdc++/2009-12/msg00067.html


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40088