From 1ea375da446bf68f705a70ce4a480db9fb9d13f3 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 24 Nov 2012 02:05:52 -0500
Subject: [PATCH] [OTLayout] Only collect output glyphs during recursion in
 collect_glyphs()

---
 src/hb-ot-layout-gsubgpos-private.hh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/hb-ot-layout-gsubgpos-private.hh b/src/hb-ot-layout-gsubgpos-private.hh
index 51ae9b5f..d51ee010 100644
--- a/src/hb-ot-layout-gsubgpos-private.hh
+++ b/src/hb-ot-layout-gsubgpos-private.hh
@@ -158,7 +158,9 @@ struct hb_collect_glyphs_context_t
       return default_return_value ();
 
     nesting_level_left--;
-    recurse_func (this, lookup_index);
+    /* Only collect output glyphs in the recursion. */
+    hb_collect_glyphs_context_t new_c (this->face, NULL, NULL, NULL, &output, nesting_level_left);
+    recurse_func (&new_c, lookup_index);
     nesting_level_left++;
     return default_return_value ();
   }
-- 
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