Merge remote-tracking branch 'origin/tqtc/lts-5.15.13' into tqtc/lts-5.15-opensourcev5.15.13-lts-lgpl

Change-Id: Ie9df84af22570d601db002e391a1a0d97e7cd9e1

4 files changed, 78 insertions, 21 deletions

diff --git a/src/corelib/tools/qsharedpointer.cpp b/src/corelib/tools/qsharedpointer.cpp
index 7becff8700..bc7a5f80d7 100644
--- a/src/corelib/tools/qsharedpointer.cpp
+++ b/src/corelib/tools/qsharedpointer.cpp
@@ -479,6 +479,46 @@
 */
 
 /*!
+    \fn template <class T> QSharedPointer<T>::QSharedPointer(QSharedPointer &&other)
+
+    Move-constructs a QSharedPointer instance, making it point at the same
+    object that \a other was pointing to.
+
+    \since 5.4
+*/
+
+/*!
+    \fn template <class T> QSharedPointer<T>::operator=(QSharedPointer &&other)
+
+    Move-assigns \a other to this QSharedPointer instance.
+
+    \since 5.0
+*/
+
+/*!
+    \fn template <class T> template <class X> QSharedPointer<T>::QSharedPointer(QSharedPointer<X> &&other)
+
+    Move-constructs a QSharedPointer instance, making it point at the same
+    object that \a other was pointing to.
+
+    This constructor participates in overload resolution only if \c{X*}
+    implicitly converts to \c{T*}.
+
+    \since 5.6
+*/
+
+/*!
+    \fn template <class T> template <class X> QSharedPointer<T>::operator=(QSharedPointer<X> &&other)
+
+    Move-assigns \a other to this QSharedPointer instance.
+
+    This assignment operator participates in overload resolution only if \c{X*}
+    implicitly converts to \c{T*}.
+
+    \since 5.6
+*/
+
+/*!
     \fn template <class T> QSharedPointer<T>::QSharedPointer(const QWeakPointer<T> &other)
 
     Creates a QSharedPointer by promoting the weak reference \a other
@@ -932,6 +972,15 @@
 */
 
 /*!
+    \fn template <class T> qHash(const QSharedPointer<T> &key, size_t seed)
+    \relates QSharedPointer
+
+    Returns the hash value for \a key, using \a seed to seed the calculation.
+
+    \since 5.0
+*/
+
+/*!
     \fn template <class T> template <class X> bool operator==(const QSharedPointer<T> &ptr1, const QSharedPointer<X> &ptr2)
     \relates QSharedPointer
 
diff --git a/src/corelib/tools/qsharedpointer.h b/src/corelib/tools/qsharedpointer.h
index 5d47369687..72e48d8a16 100644
--- a/src/corelib/tools/qsharedpointer.h
+++ b/src/corelib/tools/qsharedpointer.h
@@ -82,7 +82,12 @@ public:
     QSharedPointer<T> &operator=(const QSharedPointer<T> &other);
     QSharedPointer<T> &operator=(const QWeakPointer<T> &other);
 
-    void swap(QSharedPointer<T> &other);
+    template <class X>
+    QSharedPointer(QSharedPointer<X> && other) noexcept;
+    template <class X>
+    QSharedPointer &operator=(QSharedPointer<X> && other) noexcept;
+
+    void swap(QSharedPointer<T> &other) noexcept;
 
     QWeakPointer<T> toWeakRef() const;
 
@@ -104,6 +109,9 @@ public:
 };
 
 template <class T>
+size_t qHash(const QSharedPointer<T> &key, size_t seed = 0) noexcept;
+
+template <class T>
 class QWeakPointer
 {
 public:
diff --git a/src/corelib/tools/qtools_p.h b/src/corelib/tools/qtools_p.h
index d48318b474..ca52b15870 100644
--- a/src/corelib/tools/qtools_p.h
+++ b/src/corelib/tools/qtools_p.h
@@ -84,6 +84,17 @@ Q_DECL_CONSTEXPR inline int fromOct(uint c) noexcept
 {
     return ((c >= '0') && (c <= '7')) ? int(c - '0') : -1;
 }
+
+constexpr inline char toAsciiLower(char ch) noexcept
+{
+    return (ch >= 'A' && ch <= 'Z') ? ch - 'A' + 'a' : ch;
+}
+
+constexpr inline char toAsciiUpper(char ch) noexcept
+{
+    return (ch >= 'a' && ch <= 'z') ? ch - 'a' + 'A' : ch;
+}
+
 }
 
 // We typically need an extra bit for qNextPowerOfTwo when determining the next allocation size.
diff --git a/src/corelib/tools/qvarlengtharray.h b/src/corelib/tools/qvarlengtharray.h
index d8c229dea8..4b7e277187 100644
--- a/src/corelib/tools/qvarlengtharray.h
+++ b/src/corelib/tools/qvarlengtharray.h
@@ -475,28 +475,17 @@ Q_OUTOFLINE_TEMPLATE typename QVarLengthArray<T, Prealloc>::iterator QVarLengthA
 {
     Q_ASSERT_X(isValidIterator(before), "QVarLengthArray::insert", "The specified const_iterator argument 'before' is invalid");
 
-    int offset = int(before - ptr);
-    reserve(s + 1);
-    if (!QTypeInfo<T>::isRelocatable) {
-        T *b = ptr + offset;
-        T *i = ptr + s;
-        T *j = i + 1;
-        // The new end-element needs to be constructed, the rest must be move assigned
-        if (i != b) {
-            new (--j) T(std::move(*--i));
-            while (i != b)
-                *--j = std::move(*--i);
-            *b = std::move(t);
-        } else {
-            new (b) T(std::move(t));
-        }
+    const int offset = int(before - ptr);
+    append(std::move(t));
+    const auto b = begin() + offset;
+    const auto e = end();
+    if (QTypeInfo<T>::isRelocatable) {
+        auto cast = [](T *p) { return reinterpret_cast<uchar*>(p); };
+        std::rotate(cast(b), cast(e - 1), cast(e));
     } else {
-        T *b = ptr + offset;
-        memmove(static_cast<void *>(b + 1), static_cast<const void *>(b), (s - offset) * sizeof(T));
-        new (b) T(std::move(t));
+        std::rotate(b, e - 1, e);
     }
-    s += 1;
-    return ptr + offset;
+    return b;
 }
 
 template <class T, int Prealloc>