5 files changed, 19 insertions, 14 deletions
diff --git a/src/corelib/tools/qdatetime.h b/src/corelib/tools/qdatetime.h
index ec0eaa1edf..ebf9b45570 100644
--- a/src/corelib/tools/qdatetime.h
+++ b/src/corelib/tools/qdatetime.h
@@ -123,8 +123,8 @@ QT_DEPRECATED inline bool setYMD(int y, int m, int d)
     static bool isValid(int y, int m, int d);
     static bool isLeapYear(int year);
 
-    static Q_DECL_CONSTEXPR inline QDate fromJulianDay(qint64 jd)
-    { return jd >= minJd() && jd <= maxJd() ? QDate(jd) : QDate() ; }
+    static Q_DECL_CONSTEXPR inline QDate fromJulianDay(qint64 jd_)
+    { return jd_ >= minJd() && jd_ <= maxJd() ? QDate(jd_) : QDate() ; }
     Q_DECL_CONSTEXPR inline qint64 toJulianDay() const { return jd; }
 
 private:
diff --git a/src/corelib/tools/qsharedpointer_impl.h b/src/corelib/tools/qsharedpointer_impl.h
index 0f769ffa86..7ce12bc244 100644
--- a/src/corelib/tools/qsharedpointer_impl.h
+++ b/src/corelib/tools/qsharedpointer_impl.h
@@ -499,14 +499,14 @@ private:
 
     void deref() Q_DECL_NOTHROW
     { deref(d); }
-    static void deref(Data *d) Q_DECL_NOTHROW
+    static void deref(Data *dd) Q_DECL_NOTHROW
     {
-        if (!d) return;
-        if (!d->strongref.deref()) {
-            d->destroy();
+        if (!dd) return;
+        if (!dd->strongref.deref()) {
+            dd->destroy();
         }
-        if (!d->weakref.deref())
-            delete d;
+        if (!dd->weakref.deref())
+            delete dd;
     }
 
     template <class X>
diff --git a/src/corelib/tools/qtimezoneprivate.cpp b/src/corelib/tools/qtimezoneprivate.cpp
index 763d12b702..56da197542 100644
--- a/src/corelib/tools/qtimezoneprivate.cpp
+++ b/src/corelib/tools/qtimezoneprivate.cpp
@@ -656,10 +656,11 @@ QTimeZonePrivate *QUtcTimeZonePrivate::clone()
 
 QTimeZonePrivate::Data QUtcTimeZonePrivate::data(qint64 forMSecsSinceEpoch) const
 {
-    Data d = invalidData();
+    Data d;
     d.abbreviation = m_abbreviation;
     d.atMSecsSinceEpoch = forMSecsSinceEpoch;
-    d.offsetFromUtc = m_offsetFromUtc;
+    d.standardTimeOffset = d.offsetFromUtc = m_offsetFromUtc;
+    d.daylightTimeOffset = 0;
     return d;
 }
 
diff --git a/src/corelib/tools/qtimezoneprivate_tz.cpp b/src/corelib/tools/qtimezoneprivate_tz.cpp
index c2630c8593..6e717f2233 100644
--- a/src/corelib/tools/qtimezoneprivate_tz.cpp
+++ b/src/corelib/tools/qtimezoneprivate_tz.cpp
@@ -907,7 +907,7 @@ QTimeZonePrivate::Data QTzTimeZonePrivate::data(qint64 forMSecsSinceEpoch) const
 {
     // If the required time is after the last transition and we have a POSIX rule then use it
     if (m_tranTimes.size() > 0 && m_tranTimes.last().atMSecsSinceEpoch < forMSecsSinceEpoch
-        &&!m_posixRule.isEmpty() && forMSecsSinceEpoch >= 0) {
+        && !m_posixRule.isEmpty() && forMSecsSinceEpoch >= 0) {
         const int year = QDateTime::fromMSecsSinceEpoch(forMSecsSinceEpoch, Qt::UTC).date().year();
         const int lastMSecs = (m_tranTimes.size() > 0) ? m_tranTimes.last().atMSecsSinceEpoch : 0;
         QVector<QTimeZonePrivate::Data> posixTrans = calculatePosixTransitions(m_posixRule, year - 1,
@@ -951,7 +951,7 @@ QTimeZonePrivate::Data QTzTimeZonePrivate::nextTransition(qint64 afterMSecsSince
 {
     // If the required time is after the last transition and we have a POSIX rule then use it
     if (m_tranTimes.size() > 0 && m_tranTimes.last().atMSecsSinceEpoch < afterMSecsSinceEpoch
-        &&!m_posixRule.isEmpty() && afterMSecsSinceEpoch >= 0) {
+        && !m_posixRule.isEmpty() && afterMSecsSinceEpoch >= 0) {
         const int year = QDateTime::fromMSecsSinceEpoch(afterMSecsSinceEpoch, Qt::UTC).date().year();
         const int lastMSecs = (m_tranTimes.size() > 0) ? m_tranTimes.last().atMSecsSinceEpoch : 0;
         QVector<QTimeZonePrivate::Data> posixTrans = calculatePosixTransitions(m_posixRule, year - 1,
@@ -977,7 +977,7 @@ QTimeZonePrivate::Data QTzTimeZonePrivate::previousTransition(qint64 beforeMSecs
 {
     // If the required time is after the last transition and we have a POSIX rule then use it
     if (m_tranTimes.size() > 0 && m_tranTimes.last().atMSecsSinceEpoch < beforeMSecsSinceEpoch
-        &&!m_posixRule.isEmpty() && beforeMSecsSinceEpoch > 0) {
+        && !m_posixRule.isEmpty() && beforeMSecsSinceEpoch > 0) {
         const int year = QDateTime::fromMSecsSinceEpoch(beforeMSecsSinceEpoch, Qt::UTC).date().year();
         const int lastMSecs = (m_tranTimes.size() > 0) ? m_tranTimes.last().atMSecsSinceEpoch : 0;
         QVector<QTimeZonePrivate::Data> posixTrans = calculatePosixTransitions(m_posixRule, year - 1,
diff --git a/src/corelib/tools/qvector.h b/src/corelib/tools/qvector.h
index b68ca87063..4dbf95c315 100644
--- a/src/corelib/tools/qvector.h
+++ b/src/corelib/tools/qvector.h
@@ -397,7 +397,11 @@ void QVector<T>::reserve(int asize)
 {
     if (asize > int(d->alloc))
         reallocData(d->size, asize);
-    if (isDetached())
+    if (isDetached()
+#if !defined(QT_NO_UNSHARABLE_CONTAINERS)
+            && d != Data::unsharableEmpty()
+#endif
+            )
         d->capacityReserved = 1;
     Q_ASSERT(capacity() >= asize);
 }