untie %H;
EXPECT
########
-
-# verify no leak when underlying object is selfsame tied variable
-my ($a, $b);
+# Forbidden aggregate self-ties
+my ($a, $b) = (0, 0);
sub Self::TIEHASH { bless $_[1], $_[0] }
-sub Self::DESTROY { $b = $_[0] + 0; }
+sub Self::DESTROY { $b = $_[0] + 1; }
+{
+ my %c = 42;
+ tie %c, 'Self', \%c;
+}
+EXPECT
+Self-ties of arrays and hashes are not supported
+########
+# Allowed scalar self-ties
+my ($a, $b) = (0, 0);
+sub Self::TIESCALAR { bless $_[1], $_[0] }
+sub Self::DESTROY { $b = $_[0] + 1; }
{
- my %b5;
- $a = \%b5 + 0;
- tie %b5, 'Self', \%b5;
+ my $c = 42;
+ $a = $c + 0;
+ tie $c, 'Self', \$c;
}
-die unless $a == $b;
+die unless $a == 0 && $b == 43;
EXPECT
-Self-ties are not supported
########
# Interaction of tie and vec
vec($b,1,1)=0;
die unless $a eq $b;
EXPECT
+########
+# An attempt at lvalueable barewords broke this
+
+tie FH, 'main';
+EXPECT
+