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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