IF sniff false-positive inside a "switch"

[aik099]

When "IF" statement is inside a switch then it reports:

No blank line found after "if" control structure

for this code:

switch ( $var ) {
    case 5:
        $a = 3;
        
        if ( $var == 3 ) {
            $b = 4;
        }
        break;
}