7
8
0
+########
+#
+# FETCH freeing tie'd SV
+sub TIESCALAR { bless [] }
+sub FETCH { *a = \1; 1 }
+tie $a, 'main';
+print $a;
+EXPECT
+Tied variable freed while still in use at - line 6.
+########
+
+# [20020716.007] - nested FETCHES
+
+sub F1::TIEARRAY { bless [], 'F1' }
+sub F1::FETCH { 1 }
+my @f1;
+tie @f1, 'F1';
+
+sub F2::TIEARRAY { bless [2], 'F2' }
+sub F2::FETCH { my $self = shift; my $x = $f1[3]; $self }
+my @f2;
+tie @f2, 'F2';
+
+print $f2[4][0],"\n";
+
+sub F3::TIEHASH { bless [], 'F3' }
+sub F3::FETCH { 1 }
+my %f3;
+tie %f3, 'F3';
+
+sub F4::TIEHASH { bless [3], 'F4' }
+sub F4::FETCH { my $self = shift; my $x = $f3{3}; $self }
+my %f4;
+tie %f4, 'F4';
+
+print $f4{'foo'}[0],"\n";
+
+EXPECT
+2
+3
+########
+# test untie() from within FETCH
+package Foo;
+sub TIESCALAR { my $pkg = shift; return bless [@_], $pkg; }
+sub FETCH {
+ my $self = shift;
+ my ($obj, $field) = @$self;
+ untie $obj->{$field};
+ $obj->{$field} = "Bar";
+}
+package main;
+tie $a->{foo}, "Foo", $a, "foo";
+$a->{foo}; # access once
+# the hash element should not be tied anymore
+print defined tied $a->{foo} ? "not ok" : "ok";
+EXPECT
+ok