A few other notes:

my $x=5;
BEGIN {$y=sub{my $r=sub{$x++;warn "sub: $x"};$r->()}}
$y->();
#sub: 1 at temp.pl line 2.
#deref sub that derefs sub, my before BEGIN, using scalars => autoviv

BEGIN {$y=sub{my $r=sub{$x++;warn "sub: $x"};$r->()}}
my $x=5;
$y->();
#sub: 1 at temp.pl line 1.
#deref sub that derefs sub, BEGIN before my, using scalars => autoviv


my %x=(1=>5);
BEGIN {$y=sub{my $r=sub{$x{1}++;warn "sub: $x{1}"};$r->()}}
$y->();
#Modification of a read-only value attempted at temp.pl line 2.
#deref sub that derefs sub, my before BEGIN, using hash => ERROR

BEGIN {$y=sub{my $r=sub{$x{1}++;warn "sub: $x{1}"};$r->()}}
my %x=(1=>5);
$y->();
#sub: 1 at temp.pl line 1.
#deref sub that derefs sub, BEGIN before my, using hash => autoviv


my %x=(1=>5);
BEGIN {$y=sub{$x{1}++;warn "sub: $x{1}";}}
$y->();
#sub: 6 at temp.pl line 2.
#deref sub, my before BEGIN, using hash => uses main's my variable

BEGIN {$y=sub{$x{1}++;warn "sub: $x{1}";}}
my %x=(1=>5);
$y->();
#sub: 1 at temp.pl line 1.
#deref sub, BEGIN before my, using hash => autoviv


my $x=5;
BEGIN {$y=sub{$x++;warn "sub: $x"}}
$y->();
#sub: 6 at temp.pl line 2.
#deref sub, my before BEGIN, using scalar => uses main's my variable

BEGIN {$y=sub{$x++;warn "sub: $x"}}
my $x=5;
$y->();
#sub: 1 at temp.pl line 1.
#deref sub, BEGIN before my, using scalar => autoviv
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my head hurts! I'm getting in over my head when it comes to understanding when subs should see "my" variables. Could someone explain what results I should expect?

I don't know how to submit a bug report so please feel free to submit one using my test cases.

AS 5.8.2 808 / win2k