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From: "trippels at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug libstdc++/67707] Regression in std::move of std::deque with non-is_always_equal allocator
Date: Thu, 24 Sep 2015 09:40:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67707

Markus Trippelsdorf <trippels at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2015-09-24
                 CC|                            |trippels at gcc dot gnu.org
          Component|c++                         |libstdc++
     Ever confirmed|0                           |1

--- Comment #1 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
It is a libstc++11 issue. Confirmed.

markus@x4 tmp % clang++ -stdlib=libc++ -std=c++11 a.cpp
markus@x4 tmp % ./a.out
empty 1 size 0
empty 0 size 1
empty 1 size 0
empty 1 size 0
markus@x4 tmp % g++ -fsanitize=undefined --std=c++11 a.cpp
markus@x4 tmp % ./a.out
empty 1 size 0
empty 0 size 1
empty 1 size -128
/usr/lib/gcc/x86_64-pc-linux-gnu/5.2.1/include/g++-v5/bits/stl_deque.h:2162:20:
runtime error: load of null pointer of type 'int *'