if ( 0 ) {
    warn "a";
} elsif (1) {
    warn "b";
} else {
    warn "c";
}

##</code><code>##

main::(/tmp/foo:12):    if ( 0 ) {
  DB<1> n
main::(/tmp/foo:15):        warn "b";
  DB<1> n
b at /tmp/foo line 15.