From 85cbbed66374daff406826f195a4bd63c6ebf263 Mon Sep 17 00:00:00 2001
From: "Y. Sapir" <yasapir@gmail.com>
Date: Tue, 20 May 2014 01:03:29 +0300
Subject: [PATCH] Set ISA manually for Slic3r::Layer::Support.

---
 lib/Slic3r/Layer.pm | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/Slic3r/Layer.pm b/lib/Slic3r/Layer.pm
index 949b7aff2..28729f6e4 100644
--- a/lib/Slic3r/Layer.pm
+++ b/lib/Slic3r/Layer.pm
@@ -58,6 +58,8 @@ sub make_perimeters {
 
 package Slic3r::Layer::Support;
 
+our @ISA = qw(Slic3r::Layer);
+
 sub islands {
     my $self = shift;
     return [ @{$self->slices}, @{$self->support_islands} ];