Failure on big-endian architecture about byte-lite HOT 5 CLOSED

CASE( "byte: Allows strict aliasing" )
{
    struct F {
        static int f( int & i, nonstd::byte & r )
        {
           i = 7;
           r <<= 1;
           return i;
        }
    };

   int i;
   EXPECT( 14 == F::f( i, reinterpret_cast<nonstd::byte&>( i ) ) );
}

CASE( "byte: Allows strict aliasing" )
{
    struct F {
        static int f( int & i, nonstd::byte & r )
        {
           r <<= 1;
           return i;
        }
    };

   int i = 7;

   unsigned char& first = reinterpret_cast<unsigned char&>( i );
   unsigned char& last = *( reinterpret_cast<unsigned char*>( &i ) + sizeof(int) - 1 );

   bool little = ( first == 7 ) && ( last == 0 );
   bool big = ( first == 0 ) && ( last == 7 );
   EXPECT( (little ^ big) );
   unsigned char& lsb = little ? first : last;

   EXPECT( 14 == F::f( i, reinterpret_cast<nonstd::byte&>( lsb ) ) );
}