[Bug libstdc++/40518] data races when calling std::string::erase() on empty string

[jwakely dot gcc at gmail dot com]

------- Comment #3 from jwakely dot gcc at gmail dot com  2009-06-22 11:58 -------
That looks good.  I didn't run the v3 testsuite, but it fixes the helgrind
errors in the test cases


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40518