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-rw-r--r--src/gui/painting/qpathclipper.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/gui/painting/qpathclipper.cpp b/src/gui/painting/qpathclipper.cpp
index 7ada65ce03..10a0639b53 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));