Merge remote-tracking branch 'origin/5.12' into dev

Change-Id: I2f6e1c0f649c5098723b776c774a8a689bb60582

5 files changed, 46 insertions, 4 deletions

diff --git a/src/corelib/tools/qbytearray.cpp b/src/corelib/tools/qbytearray.cpp
index d8aadaa744..1e591d6d69 100644
--- a/src/corelib/tools/qbytearray.cpp
+++ b/src/corelib/tools/qbytearray.cpp
@@ -432,7 +432,7 @@ int qstricmp(const char *str1, const char *str2)
         return int(Incomplete);
     };
 
-#ifdef __SSE4_1__
+#if defined(__SSE4_1__) && !(defined(__SANITIZE_ADDRESS__) || QT_HAS_FEATURE(address_sanitizer))
     enum { PageSize = 4096, PageMask = PageSize - 1 };
     const __m128i zero = _mm_setzero_si128();
     forever {
diff --git a/src/corelib/tools/qstring.cpp b/src/corelib/tools/qstring.cpp
index 6030d7058c..b3ed62982e 100644
--- a/src/corelib/tools/qstring.cpp
+++ b/src/corelib/tools/qstring.cpp
@@ -6225,7 +6225,17 @@ QString& QString::fill(QChar ch, int size)
     sensitivity setting \a cs.
 */
 
+/*!
+    \fn int QString::compare(QStringView s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const
+
+    \since 5.12
+    \overload compare()
 
+    Performs a comparison of this with \a s, using the case
+    sensitivity setting \a cs.
+*/
+
+#if QT_STRINGVIEW_LEVEL < 2
 /*!
     \overload compare()
     \since 4.2
@@ -6241,6 +6251,7 @@ int QString::compare(const QString &other, Qt::CaseSensitivity cs) const Q_DECL_
 {
     return qt_compare_strings(*this, other, cs);
 }
+#endif
 
 /*!
     \internal
@@ -6267,6 +6278,7 @@ int QString::compare(QLatin1String other, Qt::CaseSensitivity cs) const Q_DECL_N
     return qt_compare_strings(*this, other, cs);
 }
 
+#if QT_STRINGVIEW_LEVEL < 2
 /*!
   \fn int QString::compare(const QStringRef &ref, Qt::CaseSensitivity cs = Qt::CaseSensitive) const
   \overload compare()
@@ -6275,6 +6287,7 @@ int QString::compare(QLatin1String other, Qt::CaseSensitivity cs) const Q_DECL_N
   an integer less than, equal to, or greater than zero if the string
   is less than, equal to, or greater than \a ref.
 */
+#endif
 
 /*!
     \internal
diff --git a/src/corelib/tools/qstring.h b/src/corelib/tools/qstring.h
index 77b562ec5b..da76601e88 100644
--- a/src/corelib/tools/qstring.h
+++ b/src/corelib/tools/qstring.h
@@ -608,8 +608,12 @@ public:
     QString &setUnicode(const QChar *unicode, int size);
     inline QString &setUtf16(const ushort *utf16, int size);
 
+#if QT_STRINGVIEW_LEVEL < 2
     int compare(const QString &s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const Q_DECL_NOTHROW;
+    inline int compare(const QStringRef &s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const Q_DECL_NOTHROW;
+#endif
     int compare(QLatin1String other, Qt::CaseSensitivity cs = Qt::CaseSensitive) const Q_DECL_NOTHROW;
+    inline int compare(QStringView s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const Q_DECL_NOTHROW;
 
     static inline int compare(const QString &s1, const QString &s2,
                               Qt::CaseSensitivity cs = Qt::CaseSensitive) Q_DECL_NOTHROW
@@ -622,7 +626,6 @@ public:
                               Qt::CaseSensitivity cs = Qt::CaseSensitive) Q_DECL_NOTHROW
     { return -s2.compare(s1, cs); }
 
-    inline int compare(const QStringRef &s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const Q_DECL_NOTHROW;
     static int compare(const QString &s1, const QStringRef &s2,
                        Qt::CaseSensitivity = Qt::CaseSensitive) Q_DECL_NOTHROW;
 
@@ -1636,8 +1639,12 @@ inline bool operator> (const QStringRef &lhs, const QString &rhs) Q_DECL_NOTHROW
 inline bool operator<=(const QStringRef &lhs, const QString &rhs) Q_DECL_NOTHROW { return rhs >= lhs; }
 inline bool operator>=(const QStringRef &lhs, const QString &rhs) Q_DECL_NOTHROW { return rhs <= lhs; }
 
+#if QT_STRINGVIEW_LEVEL < 2
 inline int QString::compare(const QStringRef &s, Qt::CaseSensitivity cs) const Q_DECL_NOTHROW
 { return QString::compare_helper(constData(), length(), s.constData(), s.length(), cs); }
+#endif
+inline int QString::compare(QStringView s, Qt::CaseSensitivity cs) const Q_DECL_NOTHROW
+{ return -s.compare(*this, cs); }
 inline int QString::compare(const QString &s1, const QStringRef &s2, Qt::CaseSensitivity cs) Q_DECL_NOTHROW
 { return QString::compare_helper(s1.constData(), s1.length(), s2.constData(), s2.length(), cs); }
 inline int QStringRef::compare(const QString &s, Qt::CaseSensitivity cs) const Q_DECL_NOTHROW
diff --git a/src/corelib/tools/qstringlist.cpp b/src/corelib/tools/qstringlist.cpp
index 712ba74716..c85a4f41dd 100644
--- a/src/corelib/tools/qstringlist.cpp
+++ b/src/corelib/tools/qstringlist.cpp
@@ -323,6 +323,7 @@ static bool stringList_contains(const QStringList &stringList, const T &str, Qt:
 }
 
 
+#if QT_STRINGVIEW_LEVEL < 2
 /*!
     \fn bool QStringList::contains(const QString &str, Qt::CaseSensitivity cs) const
 
@@ -332,7 +333,18 @@ static bool stringList_contains(const QStringList &stringList, const T &str, Qt:
 
     \sa indexOf(), lastIndexOf(), QString::contains()
  */
-bool QtPrivate::QStringList_contains(const QStringList *that, const QString &str,
+#endif
+
+/*!
+    \fn bool QStringList::contains(QStringView str, Qt::CaseSensitivity cs) const
+    \overload
+    \since 5.12
+
+    Returns \c true if the list contains the string \a str; otherwise
+    returns \c false. The search is case insensitive if \a cs is
+    Qt::CaseInsensitive; the search is case sensitive by default.
+ */
+bool QtPrivate::QStringList_contains(const QStringList *that, QStringView str,
                                      Qt::CaseSensitivity cs)
 {
     return stringList_contains(*that, str, cs);
diff --git a/src/corelib/tools/qstringlist.h b/src/corelib/tools/qstringlist.h
index e58445b8c0..b04b7c0bc8 100644
--- a/src/corelib/tools/qstringlist.h
+++ b/src/corelib/tools/qstringlist.h
@@ -117,8 +117,11 @@ public:
     { QList<QString>::operator=(std::move(other)); return *this; }
 #endif
 
+#if QT_STRINGVIEW_LEVEL < 2
     inline bool contains(const QString &str, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
+#endif
     inline bool contains(QLatin1String str, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
+    inline bool contains(QStringView str, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
 
     inline QStringList operator+(const QStringList &other) const
     { QStringList n = *this; n += other; return n; }
@@ -161,7 +164,7 @@ namespace QtPrivate {
     QStringList Q_CORE_EXPORT QStringList_filter(const QStringList *that, const QString &str,
                                                Qt::CaseSensitivity cs);
 
-    bool Q_CORE_EXPORT QStringList_contains(const QStringList *that, const QString &str, Qt::CaseSensitivity cs);
+    bool Q_CORE_EXPORT QStringList_contains(const QStringList *that, QStringView str, Qt::CaseSensitivity cs);
     bool Q_CORE_EXPORT QStringList_contains(const QStringList *that, QLatin1String str, Qt::CaseSensitivity cs);
     void Q_CORE_EXPORT QStringList_replaceInStrings(QStringList *that, const QString &before, const QString &after,
                                       Qt::CaseSensitivity cs);
@@ -213,16 +216,23 @@ inline QStringList QListSpecialMethods<QString>::filter(const QString &str, Qt::
     return QtPrivate::QStringList_filter(self(), str, cs);
 }
 
+#if QT_STRINGVIEW_LEVEL < 2
 inline bool QStringList::contains(const QString &str, Qt::CaseSensitivity cs) const
 {
     return QtPrivate::QStringList_contains(this, str, cs);
 }
+#endif
 
 inline bool QStringList::contains(QLatin1String str, Qt::CaseSensitivity cs) const
 {
     return QtPrivate::QStringList_contains(this, str, cs);
 }
 
+inline bool QStringList::contains(QStringView str, Qt::CaseSensitivity cs) const
+{
+    return QtPrivate::QStringList_contains(this, str, cs);
+}
+
 inline QStringList &QListSpecialMethods<QString>::replaceInStrings(const QString &before, const QString &after, Qt::CaseSensitivity cs)
 {
     QtPrivate::QStringList_replaceInStrings(self(), before, after, cs);