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        }
        elsif( _dne($e1) xor _dne($e2) ) {
            $ok = 0;
        }
        elsif( $same_ref and( $e1 eq $e2 ) ) {
            $ok = 1;
        }
        elsif($not_ref) {
            push @Data_Stack, { type => '', vals => [ $e1, $e2 ] };
            $ok = 0;
        }
        else {
            if( $Refs_Seen{$e1} ) {
                return $Refs_Seen{$e1} eq $e2;
            }
            else {
                $Refs_Seen{$e1} = "$e2";
            }

            my $type = _type($e1);
            $type = 'DIFFERENT' unless _type($e2) eq $type;

            if( $type eq 'DIFFERENT' ) {
                push @Data_Stack, { type => $type, vals => [ $e1, $e2 ] };
                $ok = 0;
            }
            elsif( $type eq 'ARRAY' ) {
                $ok = _eq_array( $e1, $e2 );
            }
            elsif( $type eq 'HASH' ) {
                $ok = _eq_hash( $e1, $e2 );
            }
            elsif( $type eq 'REF' ) {
                push @Data_Stack, { type => $type, vals => [ $e1, $e2 ] };
                $ok = _deep_check( $$e1, $$e2 );
                pop @Data_Stack if $ok;
            }
            elsif( $type eq 'SCALAR' ) {
                push @Data_Stack, { type => 'REF', vals => [ $e1, $e2 ] };
                $ok = _deep_check( $$e1, $$e2 );
                pop @Data_Stack if $ok;
            }
            elsif($type) {
                push @Data_Stack, { type => $type, vals => [ $e1, $e2 ] };
                $ok = 0;
            }
            else {
                _whoa( 1, "No type in _deep_check" );
            }
        }
    }

    return $ok;
}

sub _whoa {
    my( $check, $desc ) = @_;
    if($check) {
        die <<"WHOA";
WHOA!  $desc
This should never happen!  Please contact the author immediately!
WHOA
    }
}

#line 1556

sub eq_hash {
    local @Data_Stack = ();
    return _deep_check(@_);
}

sub _eq_hash {
    my( $a1, $a2 ) = @_;

    if( grep _type($_) ne 'HASH', $a1, $a2 ) {
        warn "eq_hash passed a non-hash ref";
        return 0;
    }

    return 1 if $a1 eq $a2;

    my $ok = 1;
    my $bigger = keys %$a1 > keys %$a2 ? $a1 : $a2;
    foreach my $k ( keys %$bigger ) {
        my $e1 = exists $a1->{$k} ? $a1->{$k} : $DNE;
        my $e2 = exists $a2->{$k} ? $a2->{$k} : $DNE;

        next if _equal_nonrefs($e1, $e2);

        push @Data_Stack, { type => 'HASH', idx => $k, vals => [ $e1, $e2 ] };
        $ok = _deep_check( $e1, $e2 );
        pop @Data_Stack if $ok;

        last unless $ok;
    }

    return $ok;
}

#line 1615

sub eq_set {
    my( $a1, $a2 ) = @_;
    return 0 unless @$a1 == @$a2;

    no warnings 'uninitialized';

    # It really doesn't matter how we sort them, as long as both arrays are
    # sorted with the same algorithm.
    #
    # Ensure that references are not accidentally treated the same as a
    # string containing the reference.
    #
    # Have to inline the sort routine due to a threading/sort bug.
    # See [rt.cpan.org 6782]
    #
    # I don't know how references would be sorted so we just don't sort
    # them.  This means eq_set doesn't really work with refs.
    return eq_array(
        [ grep( ref, @$a1 ), sort( grep( !ref, @$a1 ) ) ],