[Bug c++/69553] [6 Regression] Optimizations O1/O2 makes std::array value incorrect when passed to function

[trippels at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69553

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
      Known to work|                            |5.3.0
           Keywords|                            |wrong-code
   Last reconfirmed|                            |2016-01-29
          Component|libstdc++                   |c++
                 CC|                            |trippels at gcc dot gnu.org
     Ever confirmed|0                           |1
            Summary|Optimizations O1/O2 makes   |[6 Regression]
                   |std::array value incorrect  |Optimizations O1/O2 makes
                   |when passed to function     |std::array value incorrect
                   |                            |when passed to function
      Known to fail|                            |6.0

--- Comment #1 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
This is not a libstdc++ issue.
gcc-5 and clang don't miscompile the example.