5 files changed, 19 insertions, 6 deletions
diff --git a/src/corelib/global/qcompilerdetection.h b/src/corelib/global/qcompilerdetection.h
index b11237dce5..25043dab75 100644
--- a/src/corelib/global/qcompilerdetection.h
+++ b/src/corelib/global/qcompilerdetection.h
@@ -94,6 +94,12 @@
 #  define Q_DECL_DEPRECATED_X(text) __declspec(deprecated(text))
 #  define Q_DECL_EXPORT __declspec(dllexport)
 #  define Q_DECL_IMPORT __declspec(dllimport)
+#  if _MSC_VER >= 1800
+#    define QT_MAKE_UNCHECKED_ARRAY_ITERATOR(x) stdext::make_unchecked_array_iterator(x)
+#  endif
+#  if _MSC_VER >= 1500
+#    define QT_MAKE_CHECKED_ARRAY_ITERATOR(x, N) stdext::make_checked_array_iterator(x, size_t(N))
+#  endif
 /* Intel C++ disguising as Visual C++: the `using' keyword avoids warnings */
 #  if defined(__INTEL_COMPILER)
 #    define Q_DECL_VARIABLE_DEPRECATED
@@ -1117,6 +1123,12 @@
 #ifndef Q_DECL_CONST_FUNCTION
 #  define Q_DECL_CONST_FUNCTION Q_DECL_PURE_FUNCTION
 #endif
+#ifndef QT_MAKE_UNCHECKED_ARRAY_ITERATOR
+#  define QT_MAKE_UNCHECKED_ARRAY_ITERATOR(x) (x)
+#endif
+#ifndef QT_MAKE_CHECKED_ARRAY_ITERATOR
+#  define QT_MAKE_CHECKED_ARRAY_ITERATOR(x, N) (x)
+#endif
 
 /*
  * Warning/diagnostic handling
diff --git a/src/corelib/kernel/qcoreapplication.cpp b/src/corelib/kernel/qcoreapplication.cpp
index 30a3204d3d..b3b35dc9b6 100644
--- a/src/corelib/kernel/qcoreapplication.cpp
+++ b/src/corelib/kernel/qcoreapplication.cpp
@@ -444,7 +444,7 @@ QCoreApplicationPrivate::QCoreApplicationPrivate(int &aargc, char **aargv, uint
     if (!isArgvModified(argc, argv)) {
         origArgc = argc;
         origArgv = new char *[argc];
-        std::copy(argv, argv + argc, origArgv);
+        std::copy(argv, argv + argc, QT_MAKE_CHECKED_ARRAY_ITERATOR(origArgv, argc));
     }
 #endif // Q_OS_WIN && !Q_OS_WINRT
 
diff --git a/src/corelib/tools/qlist.h b/src/corelib/tools/qlist.h
index 9a57a2c6a5..e04a6be1ab 100644
--- a/src/corelib/tools/qlist.h
+++ b/src/corelib/tools/qlist.h
@@ -846,7 +846,7 @@ inline bool QList<T>::op_eq_impl(const QList &l, QListData::ArrayCompatibleLayou
     const T *lb = reinterpret_cast<const T*>(l.p.begin());
     const T *b  = reinterpret_cast<const T*>(p.begin());
     const T *e  = reinterpret_cast<const T*>(p.end());
-    return std::equal(b, e, lb);
+    return std::equal(b, e, QT_MAKE_CHECKED_ARRAY_ITERATOR(lb, l.p.size()));
 }
 
 template <typename T>
diff --git a/src/corelib/tools/qvarlengtharray.h b/src/corelib/tools/qvarlengtharray.h
index bb15d66439..8371352061 100644
--- a/src/corelib/tools/qvarlengtharray.h
+++ b/src/corelib/tools/qvarlengtharray.h
@@ -96,7 +96,8 @@ public:
     QVarLengthArray<T, Prealloc> &operator=(std::initializer_list<T> list)
     {
         resize(list.size());
-        std::copy(list.begin(), list.end(), this->begin());
+        std::copy(list.begin(), list.end(),
+                  QT_MAKE_CHECKED_ARRAY_ITERATOR(this->begin(), this->size()));
         return *this;
     }
 #endif
@@ -467,7 +468,7 @@ Q_OUTOFLINE_TEMPLATE typename QVarLengthArray<T, Prealloc>::iterator QVarLengthA
     int l = int(aend - ptr);
     int n = l - f;
     if (QTypeInfo<T>::isComplex) {
-        std::copy(ptr + l, ptr + s, ptr + f);
+        std::copy(ptr + l, ptr + s, QT_MAKE_CHECKED_ARRAY_ITERATOR(ptr + f, s - f));
         T *i = ptr + s;
         T *b = ptr + s - n;
         while (i != b) {
@@ -489,7 +490,7 @@ bool operator==(const QVarLengthArray<T, Prealloc1> &l, const QVarLengthArray<T,
     const T *rb = r.begin();
     const T *b  = l.begin();
     const T *e  = l.end();
-    return std::equal(b, e, rb);
+    return std::equal(b, e, QT_MAKE_CHECKED_ARRAY_ITERATOR(rb, r.size()));
 }
 
 template <typename T, int Prealloc1, int Prealloc2>
diff --git a/src/corelib/tools/qvector.h b/src/corelib/tools/qvector.h
index 3ce33fb477..691872cb36 100644
--- a/src/corelib/tools/qvector.h
+++ b/src/corelib/tools/qvector.h
@@ -767,7 +767,7 @@ bool QVector<T>::operator==(const QVector<T> &v) const
     const T *vb = v.d->begin();
     const T *b  = d->begin();
     const T *e  = d->end();
-    return std::equal(b, e, vb);
+    return std::equal(b, e, QT_MAKE_CHECKED_ARRAY_ITERATOR(vb, v.d->size));
 }
 
 template <typename T>