[Bug libstdc++/46830] s.swap(s) triggers overlapped memcpy() for versa_string

[paolo at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46830

--- Comment #2 from paolo at gcc dot gnu.org <paolo at gcc dot gnu.org> 
2010-12-07 02:43:20 UTC ---
Author: paolo
Date: Tue Dec  7 02:43:16 2010
New Revision: 167528

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=167528
Log:
2010-12-06  Paul Pluzhnikov  <ppluzhni...@google.com>

    PR libstdc++/46830
    * include/ext/sso_string_base.h (__sso_string_base<>::_M_swap):
    Early return when this == &__rcs.

Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/include/ext/sso_string_base.h