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-rw-r--r--src/corelib/json/qjsonarray.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/corelib/json/qjsonarray.cpp b/src/corelib/json/qjsonarray.cpp
index 77a3d0a2b8..dd27603d6d 100644
--- a/src/corelib/json/qjsonarray.cpp
+++ b/src/corelib/json/qjsonarray.cpp
@@ -271,6 +271,7 @@ QVariantList QJsonArray::toVariantList() const
QVariantList list;
if (a) {
+ list.reserve(a->length);
for (int i = 0; i < (int)a->length; ++i)
list.append(QJsonValue(d, a, a->at(i)).toVariant());
}