fix deeply nested closures that have no references to lexical in

intervening subs

p4raw-id: //depot/perl@4834

1 files changed, 17 insertions, 1 deletions

diff --git a/t/op/closure.t b/t/op/closure.t
index 2284be6df1..52d2272b80 100755
--- a/t/op/closure.t
+++ b/t/op/closure.t
@@ -12,7 +12,7 @@ BEGIN {
 
 use Config;
 
-print "1..169\n";
+print "1..170\n";
 
 my $test = 1;
 sub test (&) {
@@ -157,6 +157,22 @@ test {
   &{$foo[4]}(4)
 };
 
+for my $n (0..4) {
+    $foo[$n] = sub {
+                     # no intervening reference to $n here
+                     sub { $n == $_[0] }
+		   };
+}
+
+test {
+  $foo[0]->()->(0) and
+  $foo[1]->()->(1) and
+  $foo[2]->()->(2) and
+  $foo[3]->()->(3) and
+  $foo[4]->()->(4)
+};
+
+
 # Additional tests by Tom Phoenix <rootbeer@teleport.com>.
 
 {