From: David Kastrup <dak@gnu.org>
Date: Tue, 18 Dec 2012 11:59:20 +0000 (+0100)
Subject: Issue 3041: Fix a few segfaulting cases in hara-kiri-group-spanner
X-Git-Tag: release/2.17.10-1~48
X-Git-Url: https://git.donarmstrong.com/?a=commitdiff_plain;h=27b2bca69e0ab712c09f2cbf7f86c015dfa3d643;p=lilypond.git

Issue 3041: Fix a few segfaulting cases in hara-kiri-group-spanner
---

diff --git a/lily/hara-kiri-group-spanner.cc b/lily/hara-kiri-group-spanner.cc
index cb5aacecc5..610ab950f4 100644
--- a/lily/hara-kiri-group-spanner.cc
+++ b/lily/hara-kiri-group-spanner.cc
@@ -134,8 +134,12 @@ void
 Hara_kiri_group_spanner::consider_suicide (Grob *me)
 {
   Spanner *sp = dynamic_cast<Spanner *> (me);
-  int left = sp->get_bound (LEFT)->get_column ()->get_rank ();
-  int right = sp->get_bound (RIGHT)->get_column ()->get_rank ();
+  int left = 0;
+  int right = INT_MAX;
+  if (Item *l = sp->get_bound (LEFT))
+    left = l->get_column ()->get_rank ();
+  if (Item *r = sp->get_bound (RIGHT))
+    right = r->get_column ()->get_rank ();
   if (!request_suicide (me, left, right))
     return;