crash on "nmake docs" in qtbase

qdoc.exe -outputdir D:/dev/qt/dev-x86_64/qtbase/doc/qtcore -installdir D:/dev/qt/dev-x86_64/qtbase/doc D:/dev/qt/dev/qtbase/src/corelib/doc/qtcore.qdocconf -prepare -indexdir D:/dev/qt/dev-x86_64/qtbase/doc -no-link-errors

Unhandled exception at 0x00007FF72EEFDAE9 in qdoc.exe: 0xC0000005: Access violation writing location 0x000000297BAFD779.

0	RtlpNtMakeTemporaryKey	ntdll		0x7ff8b4d8d695	
1	RtlFreeHeap	ntdll		0x7ff8b4ccd38b	
2	RtlFreeHeap	ntdll		0x7ff8b4cca996	
3	RtlpNtMakeTemporaryKey	ntdll		0x7ff8b4d8c69e	
4	memset	ntdll		0x7ff8b4d450e9	
5	RtlFreeHeap	ntdll		0x7ff8b4cca996	
6	free_base	MSVCR120D		0x7ff88fcbb13f	
7	free_dbg	MSVCR120D		0x7ff88fcd086d	
8	free_dbg	MSVCR120D		0x7ff88fcd0196	
9	free	MSVCR120D		0x7ff88fcd1e68	
10	XY::QArrayData::deallocate	qarraydata.cpp	136	0x6b1bbcb1	
11	XY::QTypedArrayData<unsigned short>::deallocate	qarraydata.h	223	0x6b135f1e	
12	XY::QString::~QString	qstring.h	1069	0x6b12f84a	
13	XY::QString::`scalar deleting destructor'	qdoc		0x7ff70ead7638	
14	XY::QList<XY::QString>::node_destruct	qlist.h	485	0x7ff70ead9902	
15	XY::QList<XY::QString>::dealloc	qlist.h	856	0x7ff70ead85a4	
16	XY::QList<XY::QString>::~QList<XY::QString>	qlist.h	817	0x7ff70ead70a2	
17	XY::QStringList::~QStringList	qdoc		0x7ff70ead7193	
18	XY::FunctionNode::~FunctionNode	node.h	864	0x7ff70ebd6434	
19	XY::FunctionNode::`scalar deleting destructor'	qdoc		0x7ff70ebd6da7	
20	XY::qDeleteAll<XY::QList<XY::Node * __ptr64>::const_iterator>	qalgorithms.h	317	0x7ff70ebd59bc	
21	XY::qDeleteAll<XY::QList<XY::Node * __ptr64>>	qalgorithms.h	326	0x7ff70ebd5940	
22	XY::Aggregate::deleteChildren	node.cpp	1007	0x7ff70ebcd1bb	
23	XY::Aggregate::~Aggregate	node.cpp	714	0x7ff70ebcc0d2	
24	XY::ClassNode::~ClassNode	node.h	506	0x7ff70ebd6342	
25	XY::ClassNode::`scalar deleting destructor'	qdoc		0x7ff70ebd6d07	
26	XY::qDeleteAll<XY::QList<XY::Node * __ptr64>::const_iterator>	qalgorithms.h	317	0x7ff70ebd59bc	
27	XY::qDeleteAll<XY::QList<XY::Node * __ptr64>>	qalgorithms.h	326	0x7ff70ebd5940	
28	XY::Aggregate::deleteChildren	node.cpp	1007	0x7ff70ebcd1bb	
29	XY::Aggregate::~Aggregate	node.cpp	714	0x7ff70ebcc0d2	
30	XY::NamespaceNode::~NamespaceNode	node.h	455	0x7ff70ebd6525	
31	XY::Tree::~Tree	tree.cpp	124	0x7ff70ec159d7	
32	XY::Tree::`scalar deleting destructor'	qdoc		0x7ff70ebeca67	
33	XY::QDocForest::~QDocForest	qdocdatabase.cpp	72	0x7ff70ebe05e2	
34	XY::QDocDatabase::~QDocDatabase	qdocdatabase.cpp	422	0x7ff70ebe1a59	
35	XY::QDocDatabase::`scalar deleting destructor'	qdoc		0x7ff70ebeca17	
36	XY::QDocDatabase::destroyQdocDB	qdocdatabase.cpp	443	0x7ff70ebe18fb	
37	main	main.cpp	793	0x7ff70ebbf898	
38	__tmainCRTStartup	crtexe.c	626	0x7ff70ec721bd	
39	mainCRTStartup	crtexe.c	466	0x7ff70ec722ee	
40	BaseThreadInitThunk	KERNEL32		0x7ff8b2532d92	
41	RtlUserThreadStart	ntdll		0x7ff8b4ca9f64	

==9578== Memcheck, a memory error detector
==9578== Copyright (C) 2002-2013, and GNU GPL'd, by Julian Seward et al.
==9578== Using Valgrind-3.10.0 and LibVEX; rerun with -h for copyright info
==9578== Command: /home/jobor/dev/qt/dev-build/qtbase/bin/qdoc -outputdir /home/jobor/dev/qt/dev-build/qtbase/doc/qtcore -installdir /home/jobor/dev/qt/dev-build/qtbase/doc /home/jobor/dev/qt/dev/qtbase/src/corelib/doc/qtcore.qdocconf -prepare -no-link-errors
==9578== 
==9578== Invalid write of size 1
==9578==    at 0x4C81C1: FunctionNode::setOverloadNumber(unsigned char) (node.h:874)
==9578==    by 0x4C1A8D: Aggregate::removeChild(Node*) (node.cpp:1184)
==9578==    by 0x4BD2EF: Node::~Node() (node.cpp:107)
==9578==    by 0x444349: LeafNode::~LeafNode() (in /home/jobor/dev/qt/dev-build/qtbase/bin/qdoc)
==9578==    by 0x4C816D: FunctionNode::~FunctionNode() (in /home/jobor/dev/qt/dev-build/qtbase/bin/qdoc)
==9578==    by 0x4C819D: FunctionNode::~FunctionNode() (node.h:864)
==9578==    by 0x4CA607: void qDeleteAll<QList<Node*>::const_iterator>(QList<Node*>::const_iterator, QList<Node*>::const_iterator) (qalgorithms.h:317)
==9578==    by 0x4C92A3: void qDeleteAll<QList<Node*> >(QList<Node*> const&) (qalgorithms.h:325)
==9578==    by 0x4C0FDF: Aggregate::deleteChildren() (node.cpp:1006)
==9578==    by 0x4BFB83: Aggregate::~Aggregate() (node.cpp:713)
==9578==    by 0x4C76B9: ClassNode::~ClassNode() (in /home/jobor/dev/qt/dev-build/qtbase/bin/qdoc)
==9578==    by 0x4C76E9: ClassNode::~ClassNode() (node.h:506)
==9578==  Address 0xa0c1329 is 409 bytes inside an unallocated block of size 448 in arena "client"
==9578== 
==9578== 
==9578== HEAP SUMMARY:
==9578==     in use at exit: 2,748 bytes in 17 blocks
==9578==   total heap usage: 10,090,174 allocs, 10,090,157 frees, 68,860,964,817 bytes allocated
==9578== 
==9578== LEAK SUMMARY:
==9578==    definitely lost: 0 bytes in 0 blocks
==9578==    indirectly lost: 0 bytes in 0 blocks
==9578==      possibly lost: 0 bytes in 0 blocks
==9578==    still reachable: 2,748 bytes in 17 blocks
==9578==         suppressed: 0 bytes in 0 blocks
==9578== Rerun with --leak-check=full to see details of leaked memory
==9578== 
==9578== For counts of detected and suppressed errors, rerun with: -v
==9578== ERROR SUMMARY: 5 errors from 1 contexts (suppressed: 0 from 0)