Don't use a regexp in DB::sub().

This should work around perlbug #37102.

p4raw-id: //depot/perl@25721

1 files changed, 1 insertions, 2 deletions

diff --git a/lib/DB.pm b/lib/DB.pm
index 342f5d82ec..4bc60c4061 100644
--- a/lib/DB.pm
+++ b/lib/DB.pm
@@ -63,8 +63,7 @@ sub sub {
   push(@stack, $DB::single);
   $DB::single &= 1;
   $DB::single |= 4 if $#stack == $deep;
-#  print $DB::sub, "\n";
-  if ($DB::sub =~ /(?:^|::)DESTROY$/ or not defined wantarray) {
+  if ($DB::sub eq 'DESTROY' or substr($DB::sub, -9) eq '::DESTROY' or not defined wantarray) {
     &$DB::sub;
     $DB::single |= pop(@stack);
     $DB::ret = undef;