From 13d7b39072a74f243b914b3fc5d1b6ed89893c74 Mon Sep 17 00:00:00 2001
From: Alessandro Ranellucci <aar@cpan.org>
Date: Sat, 28 Dec 2013 15:32:43 +0100
Subject: [PATCH] Fix random crashes on 32-bit. Thank you Valgrind

---
 lib/Slic3r/Layer/Region.pm | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/Slic3r/Layer/Region.pm b/lib/Slic3r/Layer/Region.pm
index e68127bc3..53f40a659 100644
--- a/lib/Slic3r/Layer/Region.pm
+++ b/lib/Slic3r/Layer/Region.pm
@@ -221,6 +221,7 @@ sub make_perimeters {
         # and then we offset back and forth by half the infill spacing to only consider the
         # non-collapsing regions
         $self->fill_surfaces->append(
+            map Slic3r::Surface->new(expolygon => $_, surface_type => S_TYPE_INTERNAL),  # use a bogus surface type
             @{offset2_ex(
                 [ map @{$_->simplify_p(&Slic3r::SCALED_RESOLUTION)}, @{union_ex(\@last)} ],
                 -($pspacing/2 + $ispacing/2),