diff --git a/src/gui/painting/qpathclipper.cpp b/src/gui/painting/qpathclipper.cpp index 7ada65ce033..10a0639b536 100644 --- a/src/gui/painting/qpathclipper.cpp +++ b/src/gui/painting/qpathclipper.cpp @@ -650,7 +650,8 @@ int QKdPointTree::build(int begin, int end, int depth) } } - qSwap(m_nodes.at(last), m_nodes.at(begin)); + if (last != begin) + qSwap(m_nodes.at(last), m_nodes.at(begin)); if (last > begin) m_nodes.at(last).left = &m_nodes.at(build(begin, last, depth + 1));