diff options
Diffstat (limited to 'Libraries/LibGUI/TextEditor.cpp')
-rw-r--r-- | Libraries/LibGUI/TextEditor.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/Libraries/LibGUI/TextEditor.cpp b/Libraries/LibGUI/TextEditor.cpp index fa501d3f95..6ee66b43f5 100644 --- a/Libraries/LibGUI/TextEditor.cpp +++ b/Libraries/LibGUI/TextEditor.cpp @@ -559,7 +559,8 @@ void TextEditor::move_selected_lines_down() get_selection_line_boundaries(first_line, last_line); auto& lines = document().lines(); - if (last_line >= (size_t)(lines.size() - 1)) + ASSERT(lines.size() != 0); + if (last_line >= lines.size() - 1) return; lines.insert((int)first_line, lines.take((int)last_line + 1)); |