From 5d7db4ae77637b44e052a2e0dc409a1cc81adcc0 Mon Sep 17 00:00:00 2001
From: Artur Bergman <abergman@cpan.org>
Date: Mon, 12 Aug 2002 14:21:14 +0100
Subject: [PATCH] import optimize 0.03 from CPAN

git-cpan-module:   optimize
git-cpan-version:  0.03
git-cpan-authorid: ABERGMAN
git-cpan-file:     authors/id/A/AB/ABERGMAN/optimize-0.03.tar.gz
---
 Changes         |  5 +++++
 META.yaml       |  2 +-
 lib/optimize.pm | 26 +++++++-------------------
 3 files changed, 13 insertions(+), 20 deletions(-)

diff --git a/Changes b/Changes
index c0d9b61..8974d19 100644
--- a/Changes
+++ b/Changes
@@ -1,5 +1,10 @@
 Revision history for Perl extension optimize
 
+0.03 Sun Aug 11 23:45:10 CEST 2002
+    - Fixed bug when a constant was a AV in which we would get bizare
+      copy of Array
+
+
 0.02 Fri Jun 28 00:22:01 CEST 2002
     - Added register() and unregister() functions to 
       allow third party modules to hook into
diff --git a/META.yaml b/META.yaml
index 52a9575..79033a4 100644
--- a/META.yaml
+++ b/META.yaml
@@ -10,4 +10,4 @@ requires:
   Hook::Scope: 0.02
   optimizer: 0.02
   perl: 5.8
-version: 0.02
+version: 0.03
diff --git a/lib/optimize.pm b/lib/optimize.pm
index 2d9e5ec..8de3355 100644
--- a/lib/optimize.pm
+++ b/lib/optimize.pm
@@ -8,7 +8,7 @@ use B::Utils qw(walkallops_simple);
 use B qw(OPf_KIDS OPf_MOD OPf_PARENS OPf_WANT_SCALAR OPf_STACKED);
 use Attribute::Handlers;
 use Hook::Scope qw(POST);
-our $VERSION = 0.02;
+our $VERSION = 0.03;
 
 our %pads;
 our $state;
@@ -18,13 +18,13 @@ our $stash;
 our %register;
 use optimizer "extend-c" => sub { 
     my $op = shift;
-    POST { $old_op = $op };
+    POST { $old_op = $op; return () };
     if($op->name eq 'nextstate') {
 	$state = $op;
 	$stash = $state->stash->NAME;
 #	print $state->file . ":" . $state->line . "-" . $state->stash->NAME . "\n";;
     }
-    if($stash =~/^(optimize|B::|type|float|int)/) {
+    if($stash =~/^(optimize|B::|type|float|int|^O$)/) {
 #	print "Don't optimize ourself\n";
 	return;
     }
@@ -36,27 +36,15 @@ use optimizer "extend-c" => sub {
     };
     if($@) {
 	$@ =~s/\n//;
-#	print "$@ in " . $state->file . ":" . $state->line . "\n";;
+	print "$@ in " . $state->file . ":" . $state->line . "\n";;
 	return;
     }
 
-    if($op->name eq 'const' &&
-       $op->sv->sv eq 'attributes') {
-#	print $op->name . "-" . $op->seq . "\n";
-#	my $oop = $op->next;
-#	while(1) {
-#	    print "$oop - " . $oop->name;
-#	    if($oop->can('sv') && $oop->sv) {
-#		print " - " . $oop->sv->sv;
-#	    }
-#	    print "\n";
-#	    last if(ref($oop->next) eq 'B::NULL');
-#	    $oop = $oop->next;
-#	}
-##	print $op->next->next->next->next->name ."\n";
-    }
+
+
 
     if($op->name eq 'const' &&
+       ref($op->sv) eq 'B::PV' && 
        $op->sv->sv eq 'attributes' && 
        $op->can('next') &&
        $op->next->can('next') &&