Fix crash.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@23549 a592a061-630c-0410-9148-cb99ea01b6c8

diff --git a/src/insets/InsetText.cpp b/src/insets/InsetText.cpp
index 95cc549d555480e29c8c20b2a8beb4037b24447e..172255bc699d10d2eee4d95573d1d31c37b1874c 100644 (file)
--- a/src/insets/InsetText.cpp
+++ b/src/insets/InsetText.cpp
@@ -140,9 +140,10 @@ void InsetText::setParagraphOwner()
 void InsetText::clear()
 {
        ParagraphList & pars = paragraphs();
+       BOOST_ASSERT(!pars.empty());
 
        // This is a gross hack...
-       Layout old_layout = pars.begin()->layout();
+       Layout const & old_layout = pars.begin()->layout();
 
        pars.clear();
        pars.push_back(Paragraph());