Remove handling of missing Q_COMPILER_INITIALIZER_LISTS

Change-Id: Id65b39c787235a051262544932e6717d076f1ea0
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>

30 files changed, 16 insertions, 194 deletions

diff --git a/examples/widgets/widgets/icons/iconpreviewarea.cpp b/examples/widgets/widgets/icons/iconpreviewarea.cpp
index 1a2f514ba8..7a73a137cd 100644
--- a/examples/widgets/widgets/icons/iconpreviewarea.cpp
+++ b/examples/widgets/widgets/icons/iconpreviewarea.cpp
@@ -79,8 +79,6 @@ IconPreviewArea::IconPreviewArea(QWidget *parent)
 }
 //! [0]
 
-#ifdef Q_COMPILER_INITIALIZER_LISTS
-
 //! [42]
 QVector<QIcon::Mode> IconPreviewArea::iconModes()
 {
@@ -107,44 +105,6 @@ QStringList IconPreviewArea::iconStateNames()
 }
 //! [42]
 
-#else // Q_COMPILER_INITIALIZER_LISTS
-
-//! [43]
-QVector<QIcon::Mode> IconPreviewArea::iconModes()
-{
-    static QVector<QIcon::Mode> result;
-    if (result.isEmpty())
-        result << QIcon::Normal << QIcon::Active << QIcon::Disabled << QIcon::Selected;
-    return result;
-}
-//! [43]
-
-QVector<QIcon::State> IconPreviewArea::iconStates()
-{
-    static QVector<QIcon::State> result;
-    if (result.isEmpty())
-        result << QIcon::Off << QIcon::On;
-    return result;
-}
-
-QStringList IconPreviewArea::iconModeNames()
-{
-    static QStringList result;
-    if (result.isEmpty())
-        result << tr("Normal") << tr("Active") << tr("Disabled") << tr("Selected");
-    return result;
-}
-
-QStringList IconPreviewArea::iconStateNames()
-{
-    static QStringList result;
-    if (result.isEmpty())
-        result << tr("Off") << tr("On");
-    return result;
-}
-
-#endif // !Q_COMPILER_INITIALIZER_LISTS
-
 //! [1]
 void IconPreviewArea::setIcon(const QIcon &icon)
 {
diff --git a/src/corelib/global/qflags.h b/src/corelib/global/qflags.h
index 65f4892472..bd3c219968 100644
--- a/src/corelib/global/qflags.h
+++ b/src/corelib/global/qflags.h
@@ -42,9 +42,7 @@
 #ifndef QFLAGS_H
 #define QFLAGS_H
 
-#ifdef Q_COMPILER_INITIALIZER_LISTS
 #include <initializer_list>
-#endif
 
 QT_BEGIN_NAMESPACE
 
@@ -121,10 +119,8 @@ public:
     Q_DECL_CONSTEXPR inline QFlags(Zero = nullptr) noexcept : i(0) {}
     Q_DECL_CONSTEXPR inline QFlags(QFlag flag) noexcept : i(flag) {}
 
-#ifdef Q_COMPILER_INITIALIZER_LISTS
     Q_DECL_CONSTEXPR inline QFlags(std::initializer_list<Enum> flags) noexcept
         : i(initializer_list_helper(flags.begin(), flags.end())) {}
-#endif
 
     Q_DECL_RELAXED_CONSTEXPR inline QFlags &operator&=(int mask) noexcept { i &= mask; return *this; }
     Q_DECL_RELAXED_CONSTEXPR inline QFlags &operator&=(uint mask) noexcept { i &= mask; return *this; }
@@ -154,14 +150,12 @@ public:
     }
 
 private:
-#ifdef Q_COMPILER_INITIALIZER_LISTS
     Q_DECL_CONSTEXPR static inline Int initializer_list_helper(typename std::initializer_list<Enum>::const_iterator it,
                                                                typename std::initializer_list<Enum>::const_iterator end)
     noexcept
     {
         return (it == end ? Int(0) : (Int(*it) | initializer_list_helper(it + 1, end)));
     }
-#endif
 
     Int i;
 };
diff --git a/src/corelib/global/qoperatingsystemversion.cpp b/src/corelib/global/qoperatingsystemversion.cpp
index 94dc261b41..42a1275621 100644
--- a/src/corelib/global/qoperatingsystemversion.cpp
+++ b/src/corelib/global/qoperatingsystemversion.cpp
@@ -340,7 +340,6 @@ QString QOperatingSystemVersion::name() const
     }
 }
 
-#ifdef Q_COMPILER_INITIALIZER_LISTS
 /*!
     \fn bool QOperatingSystemVersion::isAnyOfType(std::initializer_list<OSType> types) const
 
@@ -355,7 +354,6 @@ bool QOperatingSystemVersion::isAnyOfType(std::initializer_list<OSType> types) c
     }
     return false;
 }
-#endif
 
 /*!
     \variable QOperatingSystemVersion::Windows7
diff --git a/src/corelib/global/qoperatingsystemversion.h b/src/corelib/global/qoperatingsystemversion.h
index df01e5438a..e99e4f8997 100644
--- a/src/corelib/global/qoperatingsystemversion.h
+++ b/src/corelib/global/qoperatingsystemversion.h
@@ -119,9 +119,7 @@ public:
     Q_DECL_CONSTEXPR int segmentCount() const
     { return m_micro >= 0 ? 3 : m_minor >= 0 ? 2 : m_major >= 0 ? 1 : 0; }
 
-#ifdef Q_COMPILER_INITIALIZER_LISTS
     bool isAnyOfType(std::initializer_list<OSType> types) const;
-#endif
     Q_DECL_CONSTEXPR OSType type() const { return m_os; }
     QString name() const;
 
diff --git a/src/corelib/serialization/qjsonarray.h b/src/corelib/serialization/qjsonarray.h
index 86b7bf9d76..983a6753b5 100644
--- a/src/corelib/serialization/qjsonarray.h
+++ b/src/corelib/serialization/qjsonarray.h
@@ -42,9 +42,7 @@
 
 #include <QtCore/qjsonvalue.h>
 #include <QtCore/qiterator.h>
-#if defined(Q_COMPILER_INITIALIZER_LISTS)
 #include <initializer_list>
-#endif
 
 QT_BEGIN_NAMESPACE
 
@@ -58,14 +56,12 @@ class Q_CORE_EXPORT QJsonArray
 public:
     QJsonArray();
 
-#if defined(Q_COMPILER_INITIALIZER_LISTS) || defined(Q_QDOC)
     QJsonArray(std::initializer_list<QJsonValue> args)
     {
         initialize();
         for (std::initializer_list<QJsonValue>::const_iterator i = args.begin(); i != args.end(); ++i)
             append(*i);
     }
-#endif
 
     ~QJsonArray();
 
diff --git a/src/corelib/serialization/qjsonobject.h b/src/corelib/serialization/qjsonobject.h
index 92d45cc838..d8e2ab9ca7 100644
--- a/src/corelib/serialization/qjsonobject.h
+++ b/src/corelib/serialization/qjsonobject.h
@@ -42,10 +42,8 @@
 
 #include <QtCore/qjsonvalue.h>
 #include <QtCore/qiterator.h>
-#ifdef Q_COMPILER_INITIALIZER_LISTS
 #include <QtCore/qpair.h>
 #include <initializer_list>
-#endif
 
 QT_BEGIN_NAMESPACE
 
@@ -60,14 +58,12 @@ class Q_CORE_EXPORT QJsonObject
 public:
     QJsonObject();
 
-#if defined(Q_COMPILER_INITIALIZER_LISTS) || defined(Q_QDOC)
     QJsonObject(std::initializer_list<QPair<QString, QJsonValue> > args)
     {
         initialize();
         for (std::initializer_list<QPair<QString, QJsonValue> >::const_iterator i = args.begin(); i != args.end(); ++i)
             insert(i->first, i->second);
     }
-#endif
 
     ~QJsonObject();
 
diff --git a/src/corelib/tools/qhash.h b/src/corelib/tools/qhash.h
index 0078bbbee9..4b4cb2d5f0 100644
--- a/src/corelib/tools/qhash.h
+++ b/src/corelib/tools/qhash.h
@@ -48,11 +48,8 @@
 #include <QtCore/qhashfunctions.h>
 #include <QtCore/qcontainertools_impl.h>
 
-#ifdef Q_COMPILER_INITIALIZER_LISTS
-#include <initializer_list>
-#endif
-
 #include <algorithm>
+#include <initializer_list>
 
 #if defined(Q_CC_MSVC)
 #pragma warning( push )
@@ -242,7 +239,6 @@ class QHash
 
 public:
     inline QHash() noexcept : d(const_cast<QHashData *>(&QHashData::shared_null)) { }
-#ifdef Q_COMPILER_INITIALIZER_LISTS
     inline QHash(std::initializer_list<std::pair<Key,T> > list)
         : d(const_cast<QHashData *>(&QHashData::shared_null))
     {
@@ -250,7 +246,6 @@ public:
         for (typename std::initializer_list<std::pair<Key,T> >::const_iterator it = list.begin(); it != list.end(); ++it)
             insert(it->first, it->second);
     }
-#endif
     QHash(const QHash &other) : d(other.d) { d->ref.ref(); if (!d->sharable) detach(); }
     ~QHash() { if (!d->ref.deref()) freeData(d); }
 
@@ -1042,14 +1037,12 @@ class QMultiHash : public QHash<Key, T>
 {
 public:
     QMultiHash() noexcept {}
-#ifdef Q_COMPILER_INITIALIZER_LISTS
     inline QMultiHash(std::initializer_list<std::pair<Key,T> > list)
     {
         this->reserve(int(list.size()));
         for (typename std::initializer_list<std::pair<Key,T> >::const_iterator it = list.begin(); it != list.end(); ++it)
             insert(it->first, it->second);
     }
-#endif
 #ifdef Q_QDOC
     template <typename InputIterator>
     QMultiHash(InputIterator f, InputIterator l);
diff --git a/src/corelib/tools/qlinkedlist.h b/src/corelib/tools/qlinkedlist.h
index 0c8a99e258..8994449fbf 100644
--- a/src/corelib/tools/qlinkedlist.h
+++ b/src/corelib/tools/qlinkedlist.h
@@ -44,15 +44,11 @@
 #include <QtCore/qrefcount.h>
 #include <QtCore/qcontainertools_impl.h>
 
+#include <algorithm>
+#include <initializer_list>
 #include <iterator>
 #include <list>
 
-#include <algorithm>
-
-#if defined(Q_COMPILER_INITIALIZER_LISTS)
-# include <initializer_list>
-#endif
-
 QT_BEGIN_NAMESPACE
 
 
@@ -83,10 +79,8 @@ class QLinkedList
 public:
     inline QLinkedList() noexcept : d(const_cast<QLinkedListData *>(&QLinkedListData::shared_null)) { }
     inline QLinkedList(const QLinkedList<T> &l) : d(l.d) { d->ref.ref(); if (!d->sharable) detach(); }
-#if defined(Q_COMPILER_INITIALIZER_LISTS)
     inline QLinkedList(std::initializer_list<T> list)
         : QLinkedList(list.begin(), list.end()) {}
-#endif
     template <typename InputIterator, QtPrivate::IfIsInputIterator<InputIterator> = true>
     inline QLinkedList(InputIterator first, InputIterator last)
         : QLinkedList()
diff --git a/src/corelib/tools/qlist.h b/src/corelib/tools/qlist.h
index b916dcfd24..27868f7313 100644
--- a/src/corelib/tools/qlist.h
+++ b/src/corelib/tools/qlist.h
@@ -48,12 +48,10 @@
 #include <QtCore/qvector.h>
 #include <QtCore/qcontainertools_impl.h>
 
-#include <iterator>
-#include <list>
 #include <algorithm>
-#ifdef Q_COMPILER_INITIALIZER_LISTS
 #include <initializer_list>
-#endif
+#include <iterator>
+#include <list>
 
 #include <stdlib.h>
 #include <new>
@@ -166,13 +164,10 @@ public:
     inline QList &operator=(QList<T> &&other) noexcept
     { QList moved(std::move(other)); swap(moved); return *this; }
     inline void swap(QList<T> &other) noexcept { qSwap(d, other.d); }
-#ifdef Q_COMPILER_INITIALIZER_LISTS
     inline QList(std::initializer_list<T> args)
         : QList(args.begin(), args.end()) {}
-#endif
     template <typename InputIterator, QtPrivate::IfIsInputIterator<InputIterator> = true>
     QList(InputIterator first, InputIterator last);
-
     bool operator==(const QList<T> &l) const;
     inline bool operator!=(const QList<T> &l) const { return !(*this == l); }
 
diff --git a/src/corelib/tools/qmap.h b/src/corelib/tools/qmap.h
index 2d01a75a42..18c681581f 100644
--- a/src/corelib/tools/qmap.h
+++ b/src/corelib/tools/qmap.h
@@ -49,13 +49,10 @@
 #include <QtCore/qdebug.h>
 #endif
 
-#include <map>
-#include <new>
 #include <functional>
-
-#ifdef Q_COMPILER_INITIALIZER_LISTS
 #include <initializer_list>
-#endif
+#include <map>
+#include <new>
 
 QT_BEGIN_NAMESPACE
 
@@ -326,14 +323,12 @@ class QMap
 
 public:
     inline QMap() noexcept : d(static_cast<QMapData<Key, T> *>(const_cast<QMapDataBase *>(&QMapDataBase::shared_null))) { }
-#ifdef Q_COMPILER_INITIALIZER_LISTS
     inline QMap(std::initializer_list<std::pair<Key,T> > list)
         : d(static_cast<QMapData<Key, T> *>(const_cast<QMapDataBase *>(&QMapDataBase::shared_null)))
     {
         for (typename std::initializer_list<std::pair<Key,T> >::const_iterator it = list.begin(); it != list.end(); ++it)
             insert(it->first, it->second);
     }
-#endif
     QMap(const QMap<Key, T> &other);
 
     inline ~QMap() { if (!d->ref.deref()) d->destroy(); }
@@ -1186,13 +1181,11 @@ class QMultiMap : public QMap<Key, T>
 {
 public:
     QMultiMap() noexcept {}
-#ifdef Q_COMPILER_INITIALIZER_LISTS
     inline QMultiMap(std::initializer_list<std::pair<Key,T> > list)
     {
         for (typename std::initializer_list<std::pair<Key,T> >::const_iterator it = list.begin(); it != list.end(); ++it)
             insert(it->first, it->second);
     }
-#endif
     QMultiMap(const QMap<Key, T> &other) : QMap<Key, T>(other) {}
     QMultiMap(QMap<Key, T> &&other) noexcept : QMap<Key, T>(std::move(other)) {}
     void swap(QMultiMap<Key, T> &other) noexcept { QMap<Key, T>::swap(other); }
diff --git a/src/corelib/tools/qset.h b/src/corelib/tools/qset.h
index 7ae715d247..8b31de71a9 100644
--- a/src/corelib/tools/qset.h
+++ b/src/corelib/tools/qset.h
@@ -43,10 +43,7 @@
 #include <QtCore/qhash.h>
 #include <QtCore/qcontainertools_impl.h>
 
-#ifdef Q_COMPILER_INITIALIZER_LISTS
 #include <initializer_list>
-#endif
-
 #include <iterator>
 
 QT_BEGIN_NAMESPACE
@@ -59,10 +56,8 @@ class QSet
 
 public:
     inline QSet() noexcept {}
-#ifdef Q_COMPILER_INITIALIZER_LISTS
     inline QSet(std::initializer_list<T> list)
         : QSet(list.begin(), list.end()) {}
-#endif
     template <typename InputIterator, QtPrivate::IfIsInputIterator<InputIterator> = true>
     inline QSet(InputIterator first, InputIterator last)
     {
diff --git a/src/corelib/tools/qstringlist.h b/src/corelib/tools/qstringlist.h
index 73ac737643..cf136a64c6 100644
--- a/src/corelib/tools/qstringlist.h
+++ b/src/corelib/tools/qstringlist.h
@@ -105,9 +105,7 @@ public:
     inline explicit QStringList(const QString &i) { append(i); }
     inline QStringList(const QList<QString> &l) : QList<QString>(l) { }
     inline QStringList(QList<QString> &&l) noexcept : QList<QString>(std::move(l)) { }
-#ifdef Q_COMPILER_INITIALIZER_LISTS
     inline QStringList(std::initializer_list<QString> args) : QList<QString>(args) { }
-#endif
     template <typename InputIterator, QtPrivate::IfIsInputIterator<InputIterator> = true>
     inline QStringList(InputIterator first, InputIterator last)
         : QList<QString>(first, last) { }
diff --git a/src/corelib/tools/qvarlengtharray.h b/src/corelib/tools/qvarlengtharray.h
index c81af68593..01fc63b677 100644
--- a/src/corelib/tools/qvarlengtharray.h
+++ b/src/corelib/tools/qvarlengtharray.h
@@ -45,14 +45,12 @@
 #include <QtCore/qalgorithms.h>
 #include <QtCore/qcontainertools_impl.h>
 
-#include <new>
-#include <string.h>
-#include <stdlib.h>
 #include <algorithm>
-#ifdef Q_COMPILER_INITIALIZER_LISTS
 #include <initializer_list>
-#endif
 #include <iterator>
+#include <new>
+#include <string.h>
+#include <stdlib.h>
 
 QT_BEGIN_NAMESPACE
 
@@ -70,12 +68,10 @@ public:
         append(other.constData(), other.size());
     }
 
-#ifdef Q_COMPILER_INITIALIZER_LISTS
     QVarLengthArray(std::initializer_list<T> args)
         : QVarLengthArray(args.begin(), args.end())
     {
     }
-#endif
 
     template <typename InputIterator, QtPrivate::IfIsInputIterator<InputIterator> = true>
     inline QVarLengthArray(InputIterator first, InputIterator last)
@@ -103,7 +99,6 @@ public:
         return *this;
     }
 
-#ifdef Q_COMPILER_INITIALIZER_LISTS
     QVarLengthArray<T, Prealloc> &operator=(std::initializer_list<T> list)
     {
         resize(list.size());
@@ -111,7 +106,6 @@ public:
                   QT_MAKE_CHECKED_ARRAY_ITERATOR(this->begin(), this->size()));
         return *this;
     }
-#endif
 
     inline void removeLast() {
         Q_ASSERT(s > 0);
diff --git a/src/corelib/tools/qvector.h b/src/corelib/tools/qvector.h
index 7e14a0c9b2..d6baa76a30 100644
--- a/src/corelib/tools/qvector.h
+++ b/src/corelib/tools/qvector.h
@@ -48,12 +48,10 @@
 #include <QtCore/qcontainertools_impl.h>
 
 #include <iterator>
+#include <initializer_list>
 #include <vector>
 #include <stdlib.h>
 #include <string.h>
-#ifdef Q_COMPILER_INITIALIZER_LISTS
-#include <initializer_list>
-#endif
 
 #include <algorithm>
 
@@ -76,10 +74,8 @@ public:
     QVector<T> &operator=(QVector<T> &&other) noexcept
     { QVector moved(std::move(other)); swap(moved); return *this; }
     void swap(QVector<T> &other) noexcept { qSwap(d, other.d); }
-#ifdef Q_COMPILER_INITIALIZER_LISTS
     inline QVector(std::initializer_list<T> args);
     QVector<T> &operator=(std::initializer_list<T> args);
-#endif
     template <typename InputIterator, QtPrivate::IfIsInputIterator<InputIterator> = true>
     inline QVector(InputIterator first, InputIterator last);
 
@@ -521,11 +517,10 @@ QVector<T>::QVector(int asize, const T &t)
     }
 }
 
-#ifdef Q_COMPILER_INITIALIZER_LISTS
-# if defined(Q_CC_MSVC)
+#if defined(Q_CC_MSVC)
 QT_WARNING_PUSH
 QT_WARNING_DISABLE_MSVC(4127) // conditional expression is constant
-# endif // Q_CC_MSVC
+#endif // Q_CC_MSVC
 
 template <typename T>
 QVector<T>::QVector(std::initializer_list<T> args)
@@ -550,10 +545,9 @@ QVector<T> &QVector<T>::operator=(std::initializer_list<T> args)
     return *this;
 }
 
-# if defined(Q_CC_MSVC)
+#if defined(Q_CC_MSVC)
 QT_WARNING_POP
-# endif // Q_CC_MSVC
-#endif // Q_COMPILER_INITIALIZER_LISTS
+#endif // Q_CC_MSVC
 
 template <typename T>
 template <typename InputIterator, QtPrivate::IfIsInputIterator<InputIterator>>
diff --git a/src/corelib/tools/qversionnumber.h b/src/corelib/tools/qversionnumber.h
index 1488014d38..d43b86ba51 100644
--- a/src/corelib/tools/qversionnumber.h
+++ b/src/corelib/tools/qversionnumber.h
@@ -138,7 +138,6 @@ class QVersionNumber
             else
                 pointer_segments = new QVector<int>(std::move(seg));
         }
-#ifdef Q_COMPILER_INITIALIZER_LISTS
         SegmentStorage(std::initializer_list<int> args)
         {
             if (dataFitsInline(args.begin(), int(args.size()))) {
@@ -147,7 +146,6 @@ class QVersionNumber
                 pointer_segments = new QVector<int>(args);
             }
         }
-#endif
 
         ~SegmentStorage() { if (isUsingPointer()) delete pointer_segments; }
 
@@ -229,11 +227,9 @@ public:
         : m_segments(std::move(seg))
     {}
 
-#ifdef Q_COMPILER_INITIALIZER_LISTS
     inline QVersionNumber(std::initializer_list<int> args)
         : m_segments(args)
     {}
-#endif
 
     inline explicit QVersionNumber(int maj)
     { m_segments.setSegments(1, maj); }
diff --git a/tests/auto/concurrent/qtconcurrentrun/tst_qtconcurrentrun.cpp b/tests/auto/concurrent/qtconcurrentrun/tst_qtconcurrentrun.cpp
index 8506d18dae..39d17e0a24 100644
--- a/tests/auto/concurrent/qtconcurrentrun/tst_qtconcurrentrun.cpp
+++ b/tests/auto/concurrent/qtconcurrentrun/tst_qtconcurrentrun.cpp
@@ -710,14 +710,12 @@ void tst_QtConcurrentRun::lambda()
     QCOMPARE(QtConcurrent::run([](int a, double b){ return a + b; }, 12, 15).result(), double(12+15));
     QCOMPARE(QtConcurrent::run([](int a , int, int, int, int b){ return a + b; }, 1, 2, 3, 4, 5).result(), 1 + 5);
 
-#ifdef Q_COMPILER_INITIALIZER_LISTS
     {
         QString str { "Hello World Foo" };
         QFuture<QStringList> f1 = QtConcurrent::run([&](){ return str.split(' '); });
         auto r = f1.result();
         QCOMPARE(r, QStringList({"Hello", "World", "Foo"}));
     }
-#endif
 
     // and now with explicit pool:
     QThreadPool pool;
@@ -726,14 +724,12 @@ void tst_QtConcurrentRun::lambda()
     QCOMPARE(QtConcurrent::run(&pool, [](int a, double b){ return a + b; }, 12, 15).result(), double(12+15));
     QCOMPARE(QtConcurrent::run(&pool, [](int a , int, int, int, int b){ return a + b; }, 1, 2, 3, 4, 5).result(), 1 + 5);
 
-#ifdef Q_COMPILER_INITIALIZER_LISTS
     {
         QString str { "Hello World Foo" };
         QFuture<QStringList> f1 = QtConcurrent::run(&pool, [&](){ return str.split(' '); });
         auto r = f1.result();
         QCOMPARE(r, QStringList({"Hello", "World", "Foo"}));
     }
-#endif
 }
 
 QTEST_MAIN(tst_QtConcurrentRun)
diff --git a/tests/auto/corelib/global/qflags/tst_qflags.cpp b/tests/auto/corelib/global/qflags/tst_qflags.cpp
index 8265d21350..1568855032 100644
--- a/tests/auto/corelib/global/qflags/tst_qflags.cpp
+++ b/tests/auto/corelib/global/qflags/tst_qflags.cpp
@@ -258,7 +258,6 @@ void tst_QFlags::classEnum()
 
 void tst_QFlags::initializerLists()
 {
-#if defined(Q_COMPILER_INITIALIZER_LISTS)
     Qt::MouseButtons bts = { Qt::LeftButton, Qt::RightButton };
     QVERIFY(bts.testFlag(Qt::LeftButton));
     QVERIFY(bts.testFlag(Qt::RightButton));
@@ -268,10 +267,6 @@ void tst_QFlags::initializerLists()
     QVERIFY(flags.testFlag(MyStrictNoOpEnum::StrictOne));
     QVERIFY(flags.testFlag(MyStrictNoOpEnum::StrictFour));
     QVERIFY(!flags.testFlag(MyStrictNoOpEnum::StrictTwo));
-
-#else
-    QSKIP("This test requires C++11 initializer_list support.");
-#endif // Q_COMPILER_INITIALIZER_LISTS
 }
 
 void tst_QFlags::testSetFlags()
diff --git a/tests/auto/corelib/serialization/json/tst_qtjson.cpp b/tests/auto/corelib/serialization/json/tst_qtjson.cpp
index 083e78375a..548b6d0059 100644
--- a/tests/auto/corelib/serialization/json/tst_qtjson.cpp
+++ b/tests/auto/corelib/serialization/json/tst_qtjson.cpp
@@ -2754,9 +2754,6 @@ void tst_QtJson::testJsonValueRefDefault()
 
 void tst_QtJson::arrayInitializerList()
 {
-#ifndef Q_COMPILER_INITIALIZER_LISTS
-    QSKIP("initializer_list is enabled only with c++11 support");
-#else
     QVERIFY(QJsonArray{}.isEmpty());
     QCOMPARE(QJsonArray{"one"}.count(), 1);
     QCOMPARE(QJsonArray{1}.count(), 1);
@@ -2802,14 +2799,10 @@ void tst_QtJson::arrayInitializerList()
             QCOMPARE(QJsonValue(a43["one"]), QJsonValue(1));
         }
     }
-#endif
 }
 
 void tst_QtJson::objectInitializerList()
 {
-#ifndef Q_COMPILER_INITIALIZER_LISTS
-    QSKIP("initializer_list is enabled only with c++11 support");
-#else
     QVERIFY(QJsonObject{}.isEmpty());
 
     {   // one property
@@ -2849,7 +2842,6 @@ void tst_QtJson::objectInitializerList()
         QCOMPARE(QJsonValue(nested[0]), QJsonValue("innerValue"));
         QCOMPARE(QJsonValue(nested[1]), QJsonValue(2.1));
     }
-#endif
 }
 
 void tst_QtJson::unicodeKeys()
diff --git a/tests/auto/corelib/tools/containerapisymmetry/tst_containerapisymmetry.cpp b/tests/auto/corelib/tools/containerapisymmetry/tst_containerapisymmetry.cpp
index 7df220acf9..4b085d387d 100644
--- a/tests/auto/corelib/tools/containerapisymmetry/tst_containerapisymmetry.cpp
+++ b/tests/auto/corelib/tools/containerapisymmetry/tst_containerapisymmetry.cpp
@@ -233,13 +233,11 @@ public:
     {
     }
 
-#ifdef Q_COMPILER_INITIALIZER_LISTS
     VarLengthArray(std::initializer_list<T> args)
         : QVarLengthArray<T>(args)
     {
     }
 #endif
-#endif
 };
 
 class tst_ContainerApiSymmetry : public QObject
@@ -614,7 +612,6 @@ struct ContainerDuplicatedValuesStrategy<std::unordered_multiset<T...>> : Contai
 template<typename ... T>
 struct ContainerDuplicatedValuesStrategy<QSet<T...>> : ContainerRejectsDuplicateValues {};
 
-#if defined(Q_COMPILER_INITIALIZER_LISTS)
 template<typename Container>
 void non_associative_container_check_duplicates_impl(const std::initializer_list<DuplicateStrategyTestType> &reference, const Container &c, ContainerAcceptsDuplicateValues)
 {
@@ -716,13 +713,6 @@ void tst_ContainerApiSymmetry::non_associative_container_duplicates_strategy() c
     Container<DuplicateStrategyTestType> c2{reference.begin(), reference.end()};
     non_associative_container_check_duplicates(reference, c2);
 }
-#else
-template<template<class ... T> class Container>
-void tst_ContainerApiSymmetry::non_associative_container_duplicates_strategy() const
-{
-    QSKIP("Test requires a better compiler");
-}
-#endif // Q_COMPILER_INITIALIZER_LISTS
 
 template <typename Container>
 void tst_ContainerApiSymmetry::ranged_ctor_associative_impl() const
diff --git a/tests/auto/corelib/tools/qbytearraylist/tst_qbytearraylist.cpp b/tests/auto/corelib/tools/qbytearraylist/tst_qbytearraylist.cpp
index a28bbc12c8..09ce41337e 100644
--- a/tests/auto/corelib/tools/qbytearraylist/tst_qbytearraylist.cpp
+++ b/tests/auto/corelib/tools/qbytearraylist/tst_qbytearraylist.cpp
@@ -287,7 +287,6 @@ void tst_QByteArrayList::indexOf() const
 
 void tst_QByteArrayList::initializerList() const
 {
-#ifdef Q_COMPILER_INITIALIZER_LISTS
     // constructor
     QByteArrayList v1 = {QByteArray("hello"),"world",QByteArray("plop")};
     QCOMPARE(v1, (QByteArrayList() << "hello" << "world" << "plop"));
@@ -296,9 +295,6 @@ void tst_QByteArrayList::initializerList() const
     QByteArrayList v2;
     v2 = {QByteArray("hello"),"world",QByteArray("plop")};
     QCOMPARE(v2, v1);
-#else
-    QSKIP("This test requires C++11 initializer_list support in the compiler.");
-#endif
 }
 
 QTEST_APPLESS_MAIN(tst_QByteArrayList)
diff --git a/tests/auto/corelib/tools/qcommandlineparser/tst_qcommandlineparser.cpp b/tests/auto/corelib/tools/qcommandlineparser/tst_qcommandlineparser.cpp
index 811e9a0010..de51c866e1 100644
--- a/tests/auto/corelib/tools/qcommandlineparser/tst_qcommandlineparser.cpp
+++ b/tests/auto/corelib/tools/qcommandlineparser/tst_qcommandlineparser.cpp
@@ -499,7 +499,7 @@ void tst_QCommandLineParser::testSingleDashWordOptionModes()
 
 void tst_QCommandLineParser::testCpp11StyleInitialization()
 {
-#if defined(Q_COMPILER_INITIALIZER_LISTS) && defined(Q_COMPILER_UNIFORM_INIT)
+#if defined(Q_COMPILER_UNIFORM_INIT)
     QCoreApplication app(empty_argc, empty_argv);
 
     QCommandLineParser parser;
diff --git a/tests/auto/corelib/tools/qhash/tst_qhash.cpp b/tests/auto/corelib/tools/qhash/tst_qhash.cpp
index 0015efacfa..d70d488e96 100644
--- a/tests/auto/corelib/tools/qhash/tst_qhash.cpp
+++ b/tests/auto/corelib/tools/qhash/tst_qhash.cpp
@@ -1480,7 +1480,6 @@ void tst_QHash::twoArguments_qHash()
 
 void tst_QHash::initializerList()
 {
-#ifdef Q_COMPILER_INITIALIZER_LISTS
     QHash<int, QString> hash = {{1, "bar"}, {1, "hello"}, {2, "initializer_list"}};
     QCOMPARE(hash.count(), 2);
     QCOMPARE(hash[1], QString("hello"));
@@ -1507,9 +1506,6 @@ void tst_QHash::initializerList()
 
     QMultiHash<int, float> emptyPairs2{{}, {}};
     QVERIFY(!emptyPairs2.isEmpty());
-#else
-    QSKIP("Compiler doesn't support initializer lists");
-#endif
 }
 
 void tst_QHash::eraseValidIteratorOnSharedHash()
diff --git a/tests/auto/corelib/tools/qlinkedlist/tst_qlinkedlist.cpp b/tests/auto/corelib/tools/qlinkedlist/tst_qlinkedlist.cpp
index f17d6695f0..deb3b68c5c 100644
--- a/tests/auto/corelib/tools/qlinkedlist/tst_qlinkedlist.cpp
+++ b/tests/auto/corelib/tools/qlinkedlist/tst_qlinkedlist.cpp
@@ -1005,7 +1005,6 @@ void tst_QLinkedList::testSTLIteratorsComplex() const
 
 void tst_QLinkedList::initializeList() const
 {
-#ifdef Q_COMPILER_INITIALIZER_LISTS
     QLinkedList<int> v1 { 2, 3, 4 };
     QCOMPARE(v1, QLinkedList<int>() << 2 << 3 << 4);
     QCOMPARE(v1, (QLinkedList<int> { 2, 3, 4}));
@@ -1014,7 +1013,6 @@ void tst_QLinkedList::initializeList() const
     QLinkedList<QLinkedList<int>> v3;
     v3 << v1 << (QLinkedList<int>() << 1) << QLinkedList<int>() << v1;
     QCOMPARE(v3, v2);
-#endif
 }
 
 
diff --git a/tests/auto/corelib/tools/qlist/tst_qlist.cpp b/tests/auto/corelib/tools/qlist/tst_qlist.cpp
index b3f8130d27..16fb291bd2 100644
--- a/tests/auto/corelib/tools/qlist/tst_qlist.cpp
+++ b/tests/auto/corelib/tools/qlist/tst_qlist.cpp
@@ -1871,7 +1871,6 @@ void tst_QList::testSTLIteratorsComplex() const
 
 void tst_QList::initializeList() const
 {
-#ifdef Q_COMPILER_INITIALIZER_LISTS
     QList<int> v1{2,3,4};
     QCOMPARE(v1, QList<int>() << 2 << 3 << 4);
     QCOMPARE(v1, (QList<int>{2,3,4}));
@@ -1880,7 +1879,6 @@ void tst_QList::initializeList() const
     QList<QList<int>> v3;
     v3 << v1 << (QList<int>() << 1) << QList<int>() << v1;
     QCOMPARE(v3, v2);
-#endif
 }
 
 template<typename T>
diff --git a/tests/auto/corelib/tools/qmap/tst_qmap.cpp b/tests/auto/corelib/tools/qmap/tst_qmap.cpp
index b39444e76f..d66fd28779 100644
--- a/tests/auto/corelib/tools/qmap/tst_qmap.cpp
+++ b/tests/auto/corelib/tools/qmap/tst_qmap.cpp
@@ -1319,7 +1319,6 @@ void tst_QMap::checkMostLeftNode()
 
 void tst_QMap::initializerList()
 {
-#ifdef Q_COMPILER_INITIALIZER_LISTS
     QMap<int, QString> map = {{1, "bar"}, {1, "hello"}, {2, "initializer_list"}};
     QCOMPARE(map.count(), 2);
     QCOMPARE(map[1], QString("hello"));
@@ -1346,9 +1345,6 @@ void tst_QMap::initializerList()
 
     QMultiMap<float, float> emptyPairs2{{}, {}};
     QVERIFY(!emptyPairs2.isEmpty());
-#else
-    QSKIP("Compiler doesn't support initializer lists");
-#endif
 }
 
 void tst_QMap::testInsertWithHint()
diff --git a/tests/auto/corelib/tools/qset/tst_qset.cpp b/tests/auto/corelib/tools/qset/tst_qset.cpp
index 0b60350380..31b4c0449e 100644
--- a/tests/auto/corelib/tools/qset/tst_qset.cpp
+++ b/tests/auto/corelib/tools/qset/tst_qset.cpp
@@ -955,7 +955,6 @@ void tst_QSet::makeSureTheComfortFunctionsCompile()
 
 void tst_QSet::initializerList()
 {
-#ifdef Q_COMPILER_INITIALIZER_LISTS
     QSet<int> set = {1, 1, 2, 3, 4, 5};
     QCOMPARE(set.count(), 5);
     QVERIFY(set.contains(1));
@@ -976,9 +975,6 @@ void tst_QSet::initializerList()
 
     QSet<int> set3{{}, {}, {}};
     QVERIFY(!set3.isEmpty());
-#else
-    QSKIP("Compiler doesn't support initializer lists");
-#endif
 }
 
 void tst_QSet::qhash()
@@ -1011,15 +1007,7 @@ void tst_QSet::qhash()
     // check that sets of sets work:
     //
     {
-#ifdef Q_COMPILER_INITIALIZER_LISTS
         QSet<QSet<int> > intSetSet = { { 0, 1, 2 }, { 0, 1 }, { 1, 2 } };
-#else
-        QSet<QSet<int> > intSetSet;
-        QSet<int> intSet01, intSet12;
-        intSet01 << 0 << 1;
-        intSet12 << 1 << 2;
-        intSetSet << intSet01 << intSet12 << (intSet01|intSet12);
-#endif
         QCOMPARE(intSetSet.size(), 3);
     }
 }
diff --git a/tests/auto/corelib/tools/qstringlist/tst_qstringlist.cpp b/tests/auto/corelib/tools/qstringlist/tst_qstringlist.cpp
index 37368c3dfc..2b5aa8e98b 100644
--- a/tests/auto/corelib/tools/qstringlist/tst_qstringlist.cpp
+++ b/tests/auto/corelib/tools/qstringlist/tst_qstringlist.cpp
@@ -63,9 +63,7 @@ private slots:
     void joinChar() const;
     void joinChar_data() const;
 
-#ifdef Q_COMPILER_INITIALIZER_LISTS
     void initializeList() const;
-#endif
 };
 
 extern const char email[];
@@ -519,8 +517,6 @@ void tst_QStringList::joinEmptiness() const
     QVERIFY(string.isNull());
 }
 
-#ifdef Q_COMPILER_INITIALIZER_LISTS
-// C++0x support is required
 void tst_QStringList::initializeList() const
 {
 
@@ -528,7 +524,6 @@ void tst_QStringList::initializeList() const
     QCOMPARE(v1, (QStringList() << "hello" << "world" << "plop"));
     QCOMPARE(v1, (QStringList{"hello","world","plop"}));
 }
-#endif
 
 QTEST_APPLESS_MAIN(tst_QStringList)
 #include "tst_qstringlist.moc"
diff --git a/tests/auto/corelib/tools/qvarlengtharray/tst_qvarlengtharray.cpp b/tests/auto/corelib/tools/qvarlengtharray/tst_qvarlengtharray.cpp
index 5737db760c..fff8c75a90 100644
--- a/tests/auto/corelib/tools/qvarlengtharray/tst_qvarlengtharray.cpp
+++ b/tests/auto/corelib/tools/qvarlengtharray/tst_qvarlengtharray.cpp
@@ -908,7 +908,6 @@ void tst_QVarLengthArray::initializeListComplex()
 template<typename T>
 void tst_QVarLengthArray::initializeList()
 {
-#ifdef Q_COMPILER_INITIALIZER_LISTS
     T val1(110);
     T val2(105);
     T val3(101);
@@ -945,9 +944,6 @@ void tst_QVarLengthArray::initializeList()
 
     v6 = {}; // assign empty
     QCOMPARE(v6.size(), 0);
-#else
-    QSKIP("This tests requires a compiler that supports initializer lists.");
-#endif
 }
 
 void tst_QVarLengthArray::insertMove()
diff --git a/tests/auto/corelib/tools/qvector/tst_qvector.cpp b/tests/auto/corelib/tools/qvector/tst_qvector.cpp
index f7e7c3e3ae..172b03a445 100644
--- a/tests/auto/corelib/tools/qvector/tst_qvector.cpp
+++ b/tests/auto/corelib/tools/qvector/tst_qvector.cpp
@@ -549,7 +549,6 @@ void tst_QVector::assignmentCustom() const
 template<typename T>
 void tst_QVector::assignFromInitializerList() const
 {
-#ifdef Q_COMPILER_INITIALIZER_LISTS
     T val1(SimpleValue<T>::at(1));
     T val2(SimpleValue<T>::at(2));
     T val3(SimpleValue<T>::at(3));
@@ -560,9 +559,6 @@ void tst_QVector::assignFromInitializerList() const
 
     v1 = {};
     QCOMPARE(v1.size(), 0);
-#else
-    QSKIP("This test requires support for C++11 initializer lists.");
-#endif
 }
 
 void tst_QVector::assignFromInitializerListInt() const
@@ -2553,7 +2549,6 @@ void tst_QVector::reallocAfterCopy()
 template<typename T>
 void tst_QVector::initializeList()
 {
-#ifdef Q_COMPILER_INITIALIZER_LISTS
     T val1(SimpleValue<T>::at(1));
     T val2(SimpleValue<T>::at(2));
     T val3(SimpleValue<T>::at(3));
@@ -2570,7 +2565,6 @@ void tst_QVector::initializeList()
 
     QVector<T> v4({});
     QCOMPARE(v4.size(), 0);
-#endif
 }
 
 void tst_QVector::initializeListInt()
diff --git a/tests/auto/corelib/tools/qversionnumber/tst_qversionnumber.cpp b/tests/auto/corelib/tools/qversionnumber/tst_qversionnumber.cpp
index 9bc8c84ee4..7c4d1071ce 100644
--- a/tests/auto/corelib/tools/qversionnumber/tst_qversionnumber.cpp
+++ b/tests/auto/corelib/tools/qversionnumber/tst_qversionnumber.cpp
@@ -260,12 +260,10 @@ void tst_QVersionNumber::constructorExplicit()
 
     QCOMPARE(v5.segments(), v6.segments());
 
-#ifdef Q_COMPILER_INITIALIZER_LISTS
     QVersionNumber v7(4, 5, 6);
     QVersionNumber v8 = {4, 5, 6};
 
     QCOMPARE(v7.segments(), v8.segments());
-#endif
 }
 
 void tst_QVersionNumber::constructorCopy_data()