6 files changed, 9 insertions, 9 deletions
diff --git a/src/corelib/text/qbytearray.cpp b/src/corelib/text/qbytearray.cpp
index 23296896b2..3fa1868437 100644
--- a/src/corelib/text/qbytearray.cpp
+++ b/src/corelib/text/qbytearray.cpp
@@ -1218,7 +1218,7 @@ QByteArray &QByteArray::operator=(const char *str)
         d = QByteArrayData(pair.first, pair.second, 0);
     } else {
         const int len = int(strlen(str));
-        const size_t fullLen = len + 1;
+        const uint fullLen = uint(len) + 1;
         if (d->needsDetach() || fullLen > d->allocatedCapacity()
                 || (len < size() && fullLen < (d->allocatedCapacity() >> 1)))
             reallocData(fullLen, d->detachFlags());
diff --git a/src/corelib/text/qbytearray.h b/src/corelib/text/qbytearray.h
index 863898f7e2..e3fec1e62c 100644
--- a/src/corelib/text/qbytearray.h
+++ b/src/corelib/text/qbytearray.h
@@ -487,7 +487,7 @@ inline QByteArray::QByteArray(const QByteArray &a) noexcept : d(a.d)
 {}
 
 inline int QByteArray::capacity() const
-{ int realCapacity = d->constAllocatedCapacity(); return realCapacity ? realCapacity - 1 : 0; }
+{ const auto realCapacity = d->constAllocatedCapacity(); return realCapacity ? int(realCapacity) - 1 : 0; }
 
 inline void QByteArray::reserve(int asize)
 {
diff --git a/src/corelib/text/qstring.h b/src/corelib/text/qstring.h
index a611410fac..0350dabfc9 100644
--- a/src/corelib/text/qstring.h
+++ b/src/corelib/text/qstring.h
@@ -1042,7 +1042,7 @@ inline void QString::clear()
 inline QString::QString(const QString &other) noexcept : d(other.d)
 { }
 inline int QString::capacity() const
-{ int realCapacity = d->constAllocatedCapacity(); return realCapacity ? realCapacity - 1 : 0; }
+{ const auto realCapacity = d->constAllocatedCapacity(); return realCapacity ? int(realCapacity) - 1 : 0; }
 inline QString &QString::setNum(short n, int base)
 { return setNum(qlonglong(n), base); }
 inline QString &QString::setNum(ushort n, int base)
diff --git a/src/corelib/tools/qarraydata.cpp b/src/corelib/tools/qarraydata.cpp
index 00f6dfe6ef..497eae1f7f 100644
--- a/src/corelib/tools/qarraydata.cpp
+++ b/src/corelib/tools/qarraydata.cpp
@@ -233,7 +233,7 @@ void *QArrayData::allocate(QArrayData **dptr, size_t objectSize, size_t alignmen
         // find where offset should point to so that data() is aligned to alignment bytes
         data = (quintptr(header) + sizeof(QArrayData) + alignment - 1)
                 & ~(alignment - 1);
-        header->alloc = capacity;
+        header->alloc = uint(capacity);
     }
 
     *dptr = header;
@@ -262,7 +262,7 @@ QArrayData::reallocateUnaligned(QArrayData *data, void *dataPointer,
     options |= AllocatedDataType | MutableData;
     QArrayData *header = reallocateData(data, allocSize, options);
     if (header) {
-        header->alloc = capacity;
+        header->alloc = uint(capacity);
         dataPointer = reinterpret_cast<char *>(header) + offset;
     }
     return qMakePair(static_cast<QArrayData *>(header), dataPointer);
diff --git a/src/corelib/tools/qarraydataops.h b/src/corelib/tools/qarraydataops.h
index 6b110c5143..0d2be5d51c 100644
--- a/src/corelib/tools/qarraydataops.h
+++ b/src/corelib/tools/qarraydataops.h
@@ -158,7 +158,7 @@ struct QPodArrayOps
 
         ::memmove(static_cast<void *>(where + n), static_cast<void *>(where),
                   (static_cast<const T*>(this->end()) - where) * sizeof(T));
-        this->size += n; // PODs can't throw on copy
+        this->size += int(n); // PODs can't throw on copy
         while (n--)
             *where++ = t;
     }
@@ -655,7 +655,7 @@ struct QMovableArrayOps
 
         copier.copy(n, t);
         displace.commit();
-        this->size += n;
+        this->size += int(n);
     }
 
     // use moving insert
diff --git a/src/corelib/tools/qarraydatapointer.h b/src/corelib/tools/qarraydatapointer.h
index 7bba7241e9..a17cf4a101 100644
--- a/src/corelib/tools/qarraydatapointer.h
+++ b/src/corelib/tools/qarraydatapointer.h
@@ -71,12 +71,12 @@ public:
     }
 
     QArrayDataPointer(Data *header, T *adata, size_t n = 0) noexcept
-        : d(header), ptr(adata), size(n)
+        : d(header), ptr(adata), size(int(n))
     {
     }
 
     explicit QArrayDataPointer(QPair<QTypedArrayData<T> *, T *> adata, size_t n = 0)
-        : d(adata.first), ptr(adata.second), size(n)
+        : d(adata.first), ptr(adata.second), size(int(n))
     {
         Q_CHECK_PTR(d);
     }