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-rw-r--r--src/gui/text/qtextengine.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/gui/text/qtextengine.cpp b/src/gui/text/qtextengine.cpp
index 187ffa5be7..e87711ef99 100644
--- a/src/gui/text/qtextengine.cpp
+++ b/src/gui/text/qtextengine.cpp
@@ -2863,6 +2863,7 @@ QFixed QTextEngine::calculateTabWidth(int item, QFixed x) const
if (!tabArray.isEmpty()) {
if (isRightToLeft()) { // rebase the tabArray positions.
QList<QTextOption::Tab> newTabs;
+ newTabs.reserve(tabArray.count());
QList<QTextOption::Tab>::Iterator iter = tabArray.begin();
while(iter != tabArray.end()) {
QTextOption::Tab tab = *iter;