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Re: room for improvement in implementation of "std::advance(InputIterator)": make it more resilient to bugs in user-level code: in particular, negative distances

From: Jonathan Wakely <jwakely dot gcc at gmail dot com>
To: Paolo Carlini <paolo dot carlini at oracle dot com>
Cc: Gabriel Dos Reis <gdr at integrable-solutions dot net>, Abe <abe149 at gmail dot com>, libstdc++ at gcc dot gnu dot org
Date: Mon, 10 Dec 2012 14:28:26 +0000
Subject: Re: room for improvement in implementation of "std::advance(InputIterator)": make it more resilient to bugs in user-level code: in particular, negative distances
References: <CA+Xw_vCXGQ-Abq6kNKi47tYnXw7gL7ay+K3_ZtqNK5-DQBUNEw@mail.gmail.com> <CAH6eHdRDvdFafPEVEmfJKuMApPWqMMvrECNVmBgNUfxzaagqqw@mail.gmail.com> <CAAiZkiAgt3qHb1Y-UWKkp1xc=q_5_LLrp6pbT1Ejk9X5hw=zaA@mail.gmail.com> <50C5B591.4070406@oracle.com>

On 10 December 2012 10:12, Paolo Carlini wrote:
> .. and don't see it clearly stated in the thread: this is *already*
> implemented in mainline, right? Or people want something different than a
> _GLIBCXX_DEBUG_ASSERT?

Oops, I forgot about http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53515

Follow-Ups:
- Re: room for improvement in implementation of "std::advance(InputIterator)": make it more resilient to bugs in user-level code: in particular, negative distances
  - From: Gabriel Dos Reis

References:

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