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-rw-r--r--src/corelib/text/qcollator_posix.cpp7
1 files changed, 6 insertions, 1 deletions
diff --git a/src/corelib/text/qcollator_posix.cpp b/src/corelib/text/qcollator_posix.cpp
index 9cbc539ebe..ffcd214cfb 100644
--- a/src/corelib/text/qcollator_posix.cpp
+++ b/src/corelib/text/qcollator_posix.cpp
@@ -1,6 +1,6 @@
/****************************************************************************
**
-** Copyright (C) 2013 Aleix Pol Gonzalez <aleixpol@kde.org>
+** Copyright (C) 2020 Aleix Pol Gonzalez <aleixpol@kde.org>
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtCore module of the Qt Toolkit.
@@ -75,6 +75,11 @@ static void stringToWCharArray(QVarLengthArray<wchar_t> &ret, QStringView string
int QCollator::compare(QStringView s1, QStringView s2) const
{
+ if (!s1.size())
+ return s2.size() ? -1 : 0;
+ if (!s2.size())
+ return +1;
+
if (d->isC())
return s1.compare(s2, caseSensitivity());
if (d->dirty)