Various build errors in qttools

/home/mitch/dev/qt-dev2/qttools/src/assistant/help/qhelpindexwidget.cpp: In member function ?void QHelpIndexWidget::showLink(const QModelIndex&)?:
/home/mitch/dev/qt-dev2/qttools/src/assistant/help/qhelpindexwidget.cpp:400:58: error: invalid static_cast from type ?QMap<QString, QUrl>? to type ?QMultiMap<QString, QUrl>&?
             static_cast<QMultiMap<QString, QUrl> &>(links).insert(doc.title, doc.url);

/home/mitch/dev/qt-dev2/qttools/src/qdoc/docbookgenerator.cpp:1336:21: error: no match for ?operator!=? (operand types are ?QMap<Text, const Node*>::ConstIterator {aka QMap<Text, const Node*>::const_iterator}? and ?QMultiMap<Text, const Node*>::const_iterator?)
         } while (it != legaleseTexts.constEnd() && it.key() == text);
                  ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~

Entering 'qtbase'
commit 7c861a36f98972b64379589477930e2e894b0d72
Entering 'qtdeclarative'
commit 02caa659dad5e28b95029e28a40912cabeaf6a9b
Entering 'qtdoc'
commit a0463f76d4c71d28f4527d4c67acc867e195a9c6
Entering 'qttools'
commit 98cca5ff823fe2d4e41f45173e0675bcdf9e2542