QLinkedList: compile with -Wzero-as-null-pointer-constant

The existing header check unfortunately doesn't detect uses of
'0' as nullptr in template code.

Task-number: QTBUG-45291
Change-Id: Ibe701402d95deca98c5286e2cee5f7118fd7f606
Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/src/corelib/tools/qlinkedlist.h b/src/corelib/tools/qlinkedlist.h
index 710bf5a9f2..44d9ae9439 100644
--- a/src/corelib/tools/qlinkedlist.h
+++ b/src/corelib/tools/qlinkedlist.h
@@ -128,7 +128,7 @@ public:
         typedef T *pointer;
         typedef T &reference;
         Node *i;
-        inline iterator() : i(0) {}
+        inline iterator() : i(Q_NULLPTR) {}
         inline iterator(Node *n) : i(n) {}
         inline iterator(const iterator &o) : i(o.i) {}
         inline iterator &operator=(const iterator &o) { i = o.i; return *this; }
@@ -161,7 +161,7 @@ public:
         typedef const T *pointer;
         typedef const T &reference;
         Node *i;
-        inline const_iterator() : i(0) {}
+        inline const_iterator() : i(Q_NULLPTR) {}
         inline const_iterator(Node *n) : i(n) {}
         inline const_iterator(const const_iterator &o) : i(o.i){}
         inline const_iterator(iterator ci) : i(ci.i){}