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-rw-r--r--src/corelib/text/qcollator_icu.cpp7
1 files changed, 6 insertions, 1 deletions
diff --git a/src/corelib/text/qcollator_icu.cpp b/src/corelib/text/qcollator_icu.cpp
index 8acda45070..0dca1ee9c9 100644
--- a/src/corelib/text/qcollator_icu.cpp
+++ b/src/corelib/text/qcollator_icu.cpp
@@ -1,6 +1,6 @@
/****************************************************************************
**
-** Copyright (C) 2016 The Qt Company Ltd.
+** Copyright (C) 2020 The Qt Company Ltd.
** Copyright (C) 2013 Aleix Pol Gonzalez <aleixpol@kde.org>
** Contact: https://www.qt.io/licensing/
**
@@ -109,6 +109,11 @@ void QCollatorPrivate::cleanup()
int QCollator::compare(QStringView s1, QStringView s2) const
{
+ if (!s1.size())
+ return s2.size() ? -1 : 0;
+ if (!s2.size())
+ return +1;
+
if (d->dirty)
d->init();