Add regtest for avoiding segfault when head-direction is set for lv tie

diff --git a/input/regression/laissez-vibrer-tie-head-direction.ly b/input/regression/laissez-vibrer-tie-head-direction.ly
new file mode 100644 (file)
index 0000000..908a06c
--- /dev/null
+++ b/input/regression/laissez-vibrer-tie-head-direction.ly
@@ -0,0 +1,14 @@
+\version "2.13.27"
+\header {
+
+  texidoc = "The 'head-direction of a LaissezVibrerTieColumn should
+be able to be set without causing a segmentation fault."
+
+}
+
+\relative c'' {
+  c2 \laissezVibrer
+  \once \override LaissezVibrerTieColumn #'head-direction = #RIGHT
+  c \laissezVibrer
+}
+