Re: [Boost-bugs] [Boost C++ Libraries] #11150: string_ref::to_string is necessarily UB for a default-constructed string_ref, despite stating no preconditions

Subject: Re: [Boost-bugs] [Boost C++ Libraries] #11150: string_ref::to_string is necessarily UB for a default-constructed string_ref, despite stating no preconditions
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2015-03-28 23:14:50


#11150: string_ref::to_string is necessarily UB for a default-constructed
string_ref, despite stating no preconditions
--------------------------------+---------------------------
  Reporter: Tomalak Geret'kal | Owner: no-maintainer
      Type: Bugs | Status: closed
 Milestone: To Be Determined | Component: utility
   Version: Boost 1.57.0 | Severity: Problem
Resolution: fixed | Keywords:
--------------------------------+---------------------------

Comment (by Tomalak Geret'kal):

 I disagree. There is such a thing as an array of [at least] 0 elements of
 `charT`:

 {{{
 char* ptr = new char[0];
 delete[] ptr;
 }}}

 and a NULL pointer cannot ever point to such an array. It doesn't point to
 anything.

-- 
Ticket URL: <https://svn.boost.org/trac/boost/ticket/11150#comment:3>
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