[Bug libstdc++/53515] InputIterator version std::advance needs negative check

[paolo at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53515



--- Comment #3 from paolo at gcc dot gnu.org <paolo at gcc dot gnu.org> 
2012-09-26 23:56:43 UTC ---

Author: paolo

Date: Wed Sep 26 23:56:39 2012

New Revision: 191784



URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=191784

Log:

2012-09-26  Akira Takahashi  <faithandbr...@gmail.com>



    PR libstdc++/53515

    * include/bits/stl_iterator_base_funcs.h (__advance(_InputIterator&,

    _Distance, input_iterator_tag)): Add _GLIBCXX_DEBUG_ASSERT(__n >= 0).



Modified:

    trunk/libstdc++-v3/ChangeLog

    trunk/libstdc++-v3/include/bits/stl_iterator_base_funcs.h