[Bug c++/49338] wrong code with -O2 and -O3

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49338

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
                 CC|                            |jakub at gcc dot gnu.org
         Resolution|                            |INVALID

--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-06-09 
08:22:18 UTC ---
    double get() const
    {
        U64 rv=m_Value.m_U64 & ~((U64)1);
        const double* pRv=(double*)(&rv);
        return *pRv;
    }
is an obvious aliasing violation.