4 files changed, 10 insertions, 25 deletions
diff --git a/src/corelib/kernel/qcoreapplication.cpp b/src/corelib/kernel/qcoreapplication.cpp
index ca2864df83..2a2dcc72ca 100644
--- a/src/corelib/kernel/qcoreapplication.cpp
+++ b/src/corelib/kernel/qcoreapplication.cpp
@@ -2052,6 +2052,8 @@ void QCoreApplication::quit()
 
     The function returns \c true on success and false on failure.
 
+    \note QCoreApplication does \e not take ownership of \a translationFile.
+
     \sa removeTranslator(), translate(), QTranslator::load(), {Dynamic Translation}
 */
 
diff --git a/src/corelib/kernel/qcoreevent.cpp b/src/corelib/kernel/qcoreevent.cpp
index e3326f00d7..b497532008 100644
--- a/src/corelib/kernel/qcoreevent.cpp
+++ b/src/corelib/kernel/qcoreevent.cpp
@@ -421,6 +421,8 @@ struct QBasicAtomicBitField {
     QBasicAtomicInteger<uint> next;
     QBasicAtomicInteger<uint> data[NumInts];
 
+    constexpr QBasicAtomicBitField() = default;
+
     bool allocateSpecific(int which) noexcept
     {
         QBasicAtomicInteger<uint> &entry = data[which / BitsPerInt];
@@ -461,7 +463,7 @@ struct QBasicAtomicBitField {
 
 typedef QBasicAtomicBitField<QEvent::MaxUser - QEvent::User + 1> UserEventTypeRegistry;
 
-static UserEventTypeRegistry userEventTypeRegistry;
+static UserEventTypeRegistry userEventTypeRegistry {};
 
 static inline int registerEventTypeZeroBased(int id) noexcept
 {
diff --git a/src/corelib/kernel/qelapsedtimer.cpp b/src/corelib/kernel/qelapsedtimer.cpp
index 57825583dd..3bfb1f15ec 100644
--- a/src/corelib/kernel/qelapsedtimer.cpp
+++ b/src/corelib/kernel/qelapsedtimer.cpp
@@ -139,9 +139,9 @@ QT_BEGIN_NAMESPACE
 
     \value SystemTime         The human-readable system time. This clock is not monotonic.
     \value MonotonicClock     The system's monotonic clock, usually found in Unix systems. This clock is monotonic and does not overflow.
-    \value TickCounter        The system's tick counter, used on Windows systems. This clock may overflow.
+    \value TickCounter        Not used anymore.
     \value MachAbsoluteTime   The Mach kernel's absolute time (\macos and iOS). This clock is monotonic and does not overflow.
-    \value PerformanceCounter The high-resolution performance counter provided by Windows. This clock is monotonic and does not overflow.
+    \value PerformanceCounter The performance counter provided by Windows. This clock is monotonic and does not overflow.
 
     \section2 SystemTime
 
@@ -161,24 +161,6 @@ QT_BEGIN_NAMESPACE
 
     This clock does not overflow.
 
-    \section2 TickCounter
-
-    The tick counter clock type is based on the system's or the processor's
-    tick counter, multiplied by the duration of a tick. This clock type is
-    used on Windows platforms. If the high-precision performance
-    counter is available on Windows, the \tt{PerformanceCounter} clock type
-    is used instead.
-
-    The TickCounter clock type is the only clock type that may overflow.
-    Windows Vista and Windows Server 2008 support the extended 64-bit tick
-    counter, which allows avoiding the overflow.
-
-    On Windows systems, the clock overflows after 2^32 milliseconds, which
-    corresponds to roughly 49.7 days. This means two processes' reckoning of
-    the time since the reference may be different by multiples of 2^32
-    milliseconds. When comparing such values, it's recommended that the high
-    32 bits of the millisecond count be masked off.
-
     \section2 MachAbsoluteTime
 
     This clock type is based on the absolute time presented by Mach kernels,
@@ -192,10 +174,7 @@ QT_BEGIN_NAMESPACE
     \section2 PerformanceCounter
 
     This clock uses the Windows functions \tt{QueryPerformanceCounter} and
-    \tt{QueryPerformanceFrequency} to access the system's high-precision
-    performance counter. Since this counter may not be available on all
-    systems, QElapsedTimer will fall back to the \tt{TickCounter} clock
-    automatically, if this clock cannot be used.
+    \tt{QueryPerformanceFrequency} to access the system's performance counter.
 
     This clock is monotonic and does not overflow.
 
diff --git a/src/corelib/kernel/qeventdispatcher_win.cpp b/src/corelib/kernel/qeventdispatcher_win.cpp
index b249d37adf..c9d0f03619 100644
--- a/src/corelib/kernel/qeventdispatcher_win.cpp
+++ b/src/corelib/kernel/qeventdispatcher_win.cpp
@@ -275,6 +275,8 @@ LRESULT QT_WIN_CALLBACK qt_internal_proc(HWND hwnd, UINT message, WPARAM wp, LPA
 
 void QEventDispatcherWin32Private::startPostedEventsTimer()
 {
+    // we received WM_QT_SENDPOSTEDEVENTS, so allow posting it again
+    wakeUps.storeRelaxed(0);
     if (sendPostedEventsTimerId == 0) {
         // Start a timer to deliver posted events when the message queue is emptied.
         sendPostedEventsTimerId = SetTimer(internalHwnd, SendPostedEventsTimerId,