5 files changed, 18 insertions, 18 deletions
diff --git a/examples/embedded/lightmaps/slippymap.cpp b/examples/embedded/lightmaps/slippymap.cpp
index 038738c69e..bd97aef7ee 100644
--- a/examples/embedded/lightmaps/slippymap.cpp
+++ b/examples/embedded/lightmaps/slippymap.cpp
@@ -53,19 +53,6 @@
 #include "slippymap.h"
 #include "qmath.h"
 
-#ifdef QT_NAMESPACE
-QT_BEGIN_NAMESPACE
-size_t qHash(const QT_NAMESPACE::QPoint& p)
-#else
-size_t qHash(const QPoint& p)
-#endif
-{
-    return p.x() * 17 ^ p.y();
-}
-#ifdef QT_NAMESPACE
-QT_END_NAMESPACE
-#endif
-
 // tile size in pixels
 const int tdim = 256;
 
diff --git a/src/corelib/tools/qpoint.cpp b/src/corelib/tools/qpoint.cpp
index 432fb33297..eca1b5a0ac 100644
--- a/src/corelib/tools/qpoint.cpp
+++ b/src/corelib/tools/qpoint.cpp
@@ -41,6 +41,7 @@
 #include "qdatastream.h"
 
 #include <private/qdebug_p.h>
+#include <QtCore/qhashfunctions.h>
 
 QT_BEGIN_NAMESPACE
 
@@ -484,6 +485,19 @@ QDebug operator<<(QDebug dbg, const QPointF &p)
 #endif
 
 /*!
+    \fn size_t qHash(QPoint key, size_t seed = 0)
+    \relates QHash
+    \since 6.0
+
+    Returns the hash value for the \a key, using \a seed to seed the
+    calculation.
+*/
+size_t qHash(QPoint key, size_t seed) noexcept
+{
+    return qHashMulti(seed, key.x(), key.y());
+}
+
+/*!
     \class QPointF
     \inmodule QtCore
     \ingroup painting
diff --git a/src/corelib/tools/qpoint.h b/src/corelib/tools/qpoint.h
index 725787265f..e854e77198 100644
--- a/src/corelib/tools/qpoint.h
+++ b/src/corelib/tools/qpoint.h
@@ -214,6 +214,7 @@ constexpr inline const QPoint operator/(const QPoint &p, qreal c)
 Q_CORE_EXPORT QDebug operator<<(QDebug, const QPoint &);
 #endif
 
+Q_CORE_EXPORT size_t qHash(QPoint key, size_t seed = 0) noexcept;
 
 
 
diff --git a/tests/auto/corelib/tools/qpoint/tst_qpoint.cpp b/tests/auto/corelib/tools/qpoint/tst_qpoint.cpp
index f25492d2db..0f3edb3eed 100644
--- a/tests/auto/corelib/tools/qpoint/tst_qpoint.cpp
+++ b/tests/auto/corelib/tools/qpoint/tst_qpoint.cpp
@@ -346,6 +346,9 @@ void tst_QPoint::operator_eq()
     QCOMPARE(equal, expectEqual);
     bool notEqual = point1 != point2;
     QCOMPARE(notEqual, !expectEqual);
+
+    if (equal)
+        QCOMPARE(qHash(point1), qHash(point2));
 }
 
 #ifndef QT_NO_DATASTREAM
diff --git a/tests/auto/gui/painting/qpainter/tst_qpainter.cpp b/tests/auto/gui/painting/qpainter/tst_qpainter.cpp
index 5d4e9def83..9c5a52f2d9 100644
--- a/tests/auto/gui/painting/qpainter/tst_qpainter.cpp
+++ b/tests/auto/gui/painting/qpainter/tst_qpainter.cpp
@@ -3256,11 +3256,6 @@ void tst_QPainter::imageScaling_task206785()
 #define FOR_EACH_NEIGHBOR_8 for (int dx = -1; dx <= 1; ++dx) for (int dy = -1; dy <= 1; ++dy) if (dx != 0 || dy != 0)
 #define FOR_EACH_NEIGHBOR_4 for (int dx = -1; dx <= 1; ++dx) for (int dy = -1; dy <= 1; ++dy) if ((dx == 0) != (dy == 0))
 
-size_t qHash(const QPoint &point)
-{
-    return qHash(qMakePair(point.x(), point.y()));
-}
-
 bool verifyOutlineFillConsistency(const QImage &img, QRgb outside, QRgb inside, QRgb outline)
 {
     if (img.pixel(img.width() / 2, img.height() / 2) != inside)