Segmentation fault in all QML applications

I'm compiling daily builds of Qt, from stable branch.
Since Day 14 all QML applications crashes on Windows at runtime

Program received signal SIGSEGV, Segmentation fault.
0x09332473 in QV4::ExecutionEngine::popContext (this=0x1bad6fc0)
at jsruntime/qv4engine_p.h:350
350 current = current->parent;
(gdb) bt
#0 0x09332473 in QV4::ExecutionEngine::popContext (this=0x1bad6fc0)
at jsruntime/qv4engine_p.h:350
#1 0x090ca413 in QV4::ExecutionEngine::rethrowException (this=0x1bad6fc0,
intermediateCatchingContext=0x1badaf58) at jsruntime\qv4engine.cpp:840
#2 0x090cd7ac in QV4::ExecutionContext::rethrowException (this=0x1badaf58)
at jsruntime\qv4context.cpp:654
#3 0x090f99bb in QV4::SimpleScriptFunction::call (that=0x21a35500,
callData=0x1f340008) at jsruntime\qv4functionobject.cpp:578
#4 0x09331c60 in QV4::FunctionObject::call (this=0x21a35500,
callData=0x1f340008) at jsruntime/qv4functionobject_p.h:130
#5 0x09203a55 in QQmlJavaScriptExpression::evaluate (this=0x20220a10,
context=0x201201d8, function=..., callData=0x1f340008,
isUndefined=0x28f7e3) at qml\qqmljavascriptexpression.cpp:170
#6 0x092036a4 in QQmlJavaScriptExpression::evaluate (this=0x20220a10,
context=0x201201d8, function=..., isUndefined=0x28f7e3)
at qml\qqmljavascriptexpression.cpp:123
#7 0x0920f9f1 in QQmlBinding::update (this=0x20220a00, flags=...)
at qml\qqmlbinding.cpp:254
#8 0x0921045b in QQmlBinding::setEnabled (this=0x20220a00, e=true, flags=...)
at qml\qqmlbinding.cpp:357
#9 0x092103aa in QQmlBinding::setEnabled (This=0x20220a1c, e=true, f=...)
at qml\qqmlbinding.cpp:338
#10 0x092ed823 in QQmlAbstractBinding::setEnabled (this=0x20220a1c, e=true,
f=...)
at ../../include/QtQml/5.2.0/QtQml/private/../../../../../src/qml/qml/qqmlab
stractbinding_p.h:118
#11 0x0917c20a in QQmlVME::complete (this=0x1ff77d9c, interrupt=...)
at qml\qqmlvme.cpp:1155
#12 0x091676c5 in QQmlComponentPrivate::complete (enginePriv=0x1bad61b8,
state=0x1ff77d98) at qml\qqmlcomponent.cpp:960
#13 0x091677a9 in QQmlComponentPrivate::completeCreate (this=0x1ff77d38)
at qml\qqmlcomponent.cpp:997
#14 0x09167766 in QQmlComponent::completeCreate (this=0x1ff74c58)
at qml\qqmlcomponent.cpp:990
#15 0x09166b30 in QQmlComponent::create (this=0x1ff74c58, context=0x1ff708e0)
at qml\qqmlcomponent.cpp:805
#16 0x09211690 in QQmlApplicationEnginePrivate::_q_finishLoad (
this=0x1bad61b8, o=0x1ff74c58) at qml\qqmlapplicationengine.cpp:136
#17 0x0921135b in QQmlApplicationEnginePrivate::startLoad (this=0x1bad61b8,
url=..., data=..., dataFlag=false) at qml\qqmlapplicationengine.cpp:115
#18 0x09211d2c in QQmlApplicationEngine::load (this=0x28fdc8, url=...)
at qml\qqmlapplicationengine.cpp:252
#19 0x09211a35 in QQmlApplicationEngine::QQmlApplicationEngine (
this=0x28fdc8, url=..., parent=0x0) at qml\qqmlapplicationengine.cpp:213
#20 0x004016b3 in qMain (argc=1, argv=0x1bab3b18) at ../cangote/main.cpp:66
#21 0x0042eaad in WinMain@16 (instance=0x400000,
prevInstance=prevInstance@entry=0x0, cmdShow=10) at qtmain_win.cpp:131
#22 0x004bdc2d in main (flags=1, cmdline=0x1bab3800, inst=0x1bbfc348)
at ../mingw-w64-crt/crt/crt0_c.c:18
(gdb)