line 6: EXT_STMT + NOP shows as executable

code_coverage.php

<?php

xdebug_start_code_coverage(XDEBUG_CC_UNUSED);

class MyClass
{
}

print_r(xdebug_get_code_coverage());

output.txt

Array
(
    [/home/cbandy/tests/code_coverage.php] => Array
        (
            [6] => 1
            [9] => 1
        )

)