Merge pull request #3643 from lasconic/fix-271707

fix #271707: MusicXML export: crash when exporting hairpins
musescore · Apr 26, 2018 · 29e2c79 · 29e2c79
2 parents 00c1d41 + c9b78c4
commit 29e2c79
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/mscore/exportxml.cpp b/mscore/exportxml.cpp
@@ -351,7 +351,11 @@ static QString addPositioningAttributes(Element const* const el, bool isSpanStar
       float relativeY = 0;
       float spatium = el->spatium();
 
-      if (SLine const* const span = dynamic_cast<SLine const* const>(el)) {
+      const SLine* span = nullptr;
+      if (el->isSLine())
+            span = static_cast<const SLine*>(el);
+
+      if (span && !span->spannerSegments().isEmpty()) {
             if (isSpanStart) {
                   const auto seg = span->spannerSegments().first();
                   const auto userOff = seg->userOff();