Avoid comparing pointers-to-member of covariant types

[lilypond.git] / lily / ambitus-engraver.cc

diff --git a/lily/ambitus-engraver.cc b/lily/ambitus-engraver.cc
index 972ca2932ca05ddbf103e200abaab98ceaf26d70..f7b18b59019fc2b2357085b4f2097b4e2caa6100 100644 (file)
--- a/lily/ambitus-engraver.cc
+++ b/lily/ambitus-engraver.cc
@@ -143,7 +143,7 @@ Ambitus_engraver::acknowledge_note_head (Grob_info info)
         If the engraver is added to a percussion context,
         filter out unpitched note heads.
       */
-      if (!Pitch::unsmob (p))
+      if (!Pitch::is_smob (p))
         return;
       Pitch pitch = *Pitch::unsmob (p);
       Drul_array<bool> expands = pitch_interval_.add_point (pitch);