Autotest `tst_controls' failed :(

  ASSERT: "use.pos < successorStart || use.pos > successorEnd" in file 
compiler/qv4regalloc.cpp, line 876
  QtQA::App::TestRunner: Process exited due to signal 6; dumped core
  QtQA::App::TestRunner: ============================== backtrace follows: 
==============================
  QtQA::App::TestRunner: gdb commands: thread apply all bt 100
  QtQA::App::TestRunner: [New LWP 24976]
  QtQA::App::TestRunner: [New LWP 24972]
  QtQA::App::TestRunner: [New LWP 24970]
  QtQA::App::TestRunner: [New LWP 24973]
  QtQA::App::TestRunner: [New LWP 24971]
  QtQA::App::TestRunner: [New LWP 24975]
  QtQA::App::TestRunner: [New LWP 24974]
  QtQA::App::TestRunner:
  QtQA::App::TestRunner: warning: Can't read pathname for load map: 
Input/output error.
  QtQA::App::TestRunner: [Thread debugging using libthread_db enabled]
  QtQA::App::TestRunner: Using host libthread_db library 
"/lib/x86_64-linux-gnu/libthread_db.so.1".
  QtQA::App::TestRunner: Core was generated by `./tst_controls -silent -o 
/work/build/_artifacts/test-logs/tst_controls-testres'.
  QtQA::App::TestRunner: Program terminated with signal 6, Aborted.
  QtQA::App::TestRunner: #0  0x00007ff67d37b445 in __GI_raise (sig=<optimized 
out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
  QtQA::App::TestRunner: 64     ../nptl/sysdeps/unix/sysv/linux/raise.c: No 
such file or directory.
  QtQA::App::TestRunner:
  QtQA::App::TestRunner: Thread 7 (Thread 0x7ff66affd700 (LWP 24974)):
  QtQA::App::TestRunner: #0  pthread_cond_wait@@GLIBC_2.3.2 () at 
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
  QtQA::App::TestRunner: #1  0x00007ff6729e9a23 in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
  QtQA::App::TestRunner: #2  0x00007ff67b7b7e9a in start_thread 
(arg=0x7ff66affd700) at pthread_create.c:308
  QtQA::App::TestRunner: #3  0x00007ff67d438dbd in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
  QtQA::App::TestRunner: #4  0x0000000000000000 in ?? ()
  QtQA::App::TestRunner:
  QtQA::App::TestRunner: Thread 6 (Thread 0x7ff66a7fc700 (LWP 24975)):
  QtQA::App::TestRunner: #0  pthread_cond_wait@@GLIBC_2.3.2 () at 
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
  QtQA::App::TestRunner: #1  0x00007ff6729e9a23 in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
  QtQA::App::TestRunner: #2  0x00007ff67b7b7e9a in start_thread 
(arg=0x7ff66a7fc700) at pthread_create.c:308
  QtQA::App::TestRunner: #3  0x00007ff67d438dbd in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
  QtQA::App::TestRunner: #4  0x0000000000000000 in ?? ()
  QtQA::App::TestRunner:
  QtQA::App::TestRunner: Thread 5 (Thread 0x7ff673c66700 (LWP 24971)):
  QtQA::App::TestRunner: #0  0x00007ff67d42d403 in __GI___poll (fds=<optimized 
out>, nfds=<optimized out>, timeout=<optimized out>) at 
../sysdeps/unix/sysv/linux/poll.c:87
  QtQA::App::TestRunner: #1  0x00007ff6774eb862 in ?? () from 
/usr/lib/x86_64-linux-gnu/libxcb.so.1
  QtQA::App::TestRunner: #2  0x00007ff6774ecfff in xcb_wait_for_event () from 
/usr/lib/x86_64-linux-gnu/libxcb.so.1
  QtQA::App::TestRunner: #3  0x00007ff6762da621 in 
TestNamespace::QXcbEventReader::run (this=0x1d6bd60) at qxcbconnection.cpp:1008
  QtQA::App::TestRunner: #4  0x00007ff67dcf2290 in 
TestNamespace::QThreadPrivate::start (arg=0x1d6bd60) at 
thread/qthread_unix.cpp:345
  QtQA::App::TestRunner: #5  0x00007ff67b7b7e9a in start_thread 
(arg=0x7ff673c66700) at pthread_create.c:308
  QtQA::App::TestRunner: #6  0x00007ff67d438dbd in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
  QtQA::App::TestRunner: #7  0x0000000000000000 in ?? ()
  QtQA::App::TestRunner:
  QtQA::App::TestRunner: Thread 4 (Thread 0x7ff66b7fe700 (LWP 24973)):
  QtQA::App::TestRunner: #0  pthread_cond_wait@@GLIBC_2.3.2 () at 
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
  QtQA::App::TestRunner: #1  0x00007ff6729e9a23 in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
  QtQA::App::TestRunner: #2  0x00007ff67b7b7e9a in start_thread 
(arg=0x7ff66b7fe700) at pthread_create.c:308
  QtQA::App::TestRunner: #3  0x00007ff67d438dbd in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
  QtQA::App::TestRunner: #4  0x0000000000000000 in ?? ()
  QtQA::App::TestRunner:
  QtQA::App::TestRunner: Thread 3 (Thread 0x7ff67f277740 (LWP 24970)):
  QtQA::App::TestRunner: #0  pthread_cond_wait@@GLIBC_2.3.2 () at 
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
  QtQA::App::TestRunner: #1  0x00007ff67dcf3a2f in 
TestNamespace::QWaitConditionPrivate::wait (this=0x1da27e0, 
time=18446744073709551615) at thread/qwaitcondition_unix.cpp:136
  QtQA::App::TestRunner: #2  0x00007ff67dcf37f7 in 
TestNamespace::QWaitCondition::wait (this=0x1d99148, mutex=0x1d99140, 
time=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
  QtQA::App::TestRunner: #3  0x00007ff67bfda4c6 in 
TestNamespace::QQmlThreadPrivate::wait (this=0x1d990d0) at 
qml/ftw/qqmlthread.cpp:64
  QtQA::App::TestRunner: #4  0x00007ff67bfda151 in 
TestNamespace::QQmlThread::internalCallMethodInThread (this=0x1d91c80, 
message=0x24f7ba0) at qml/ftw/qqmlthread.cpp:311
  QtQA::App::TestRunner: #5  0x00007ff67bf5da18 in 
TestNamespace::QQmlThread::callMethodInThread<TestNamespace::QQmlDataBlob*, 
TestNamespace::QQmlDataBlob*, TestNamespace::QQmlDataLoaderThread> 
(this=0x1d91c80, Member=(void 
(TestNamespace::QQmlDataLoaderThread::*)(TestNamespace::QQmlDataLoaderThread * 
const, TestNamespace::QQmlDataBlob *)) 0x7ff67bf5092a 
<TestNamespace::QQmlDataLoaderThread::loadThread(TestNamespace::QQmlDataBlob*)>,
 arg=@0x7fff94727f00: 0x24f8390) at 
/work/build/qt/qtbase/include/QtQml/5.2.0/QtQml/private/../../../../../../qtdeclarative/src/qml/qml/ftw/qqmlthread_p.h:163
  QtQA::App::TestRunner: #6  0x00007ff67bf506cf in 
TestNamespace::QQmlDataLoaderThread::load (this=0x1d91c80, b=0x24f8390) at 
qml/qqmltypeloader.cpp:759
  QtQA::App::TestRunner: #7  0x00007ff67bf50cc3 in 
TestNamespace::QQmlDataLoader::load (this=0x1d98f10, blob=0x24f8390, 
mode=TestNamespace::QQmlDataLoader::PreferSynchronous) at 
qml/qqmltypeloader.cpp:922
  QtQA::App::TestRunner: #8  0x00007ff67bf53c05 in 
TestNamespace::QQmlTypeLoader::getType (this=0x1d98f10, url=..., 
mode=TestNamespace::QQmlDataLoader::PreferSynchronous) at 
qml/qqmltypeloader.cpp:1539
  QtQA::App::TestRunner: #9  0x00007ff67bf010fa in 
TestNamespace::QQmlComponentPrivate::loadUrl (this=0x24f8010, newUrl=..., 
mode=TestNamespace::QQmlComponent::PreferSynchronous) at 
qml/qqmlcomponent.cpp:701
  QtQA::App::TestRunner: #10 0x00007ff67bf008fb in 
TestNamespace::QQmlComponent::QQmlComponent (this=0x24f7b00, engine=0x1da1f10, 
url=..., parent=0x1d95620) at qml/qqmlcomponent.cpp:541
  QtQA::App::TestRunner: #11 0x00007ff67c6fc3e4 in 
TestNamespace::QQuickViewPrivate::execute (this=0x1d91ea0) at 
items/qquickview.cpp:104
  QtQA::App::TestRunner: #12 0x00007ff67c6fc81e in 
TestNamespace::QQuickView::setSource (this=0x1d95620, url=...) at 
items/qquickview.cpp:235
  QtQA::App::TestRunner: #13 0x00007ff67ee6338d in 
TestNamespace::quick_test_main (argc=6, argv=0x7fff947287f8, name=0x400b03 
"qtquickcontrols", sourceDir=0x400ad0 
"/work/build/qt/qtquickcontrols/tests/auto/controls") at quicktest.cpp:346
  QtQA::App::TestRunner: #14 0x0000000000400982 in main (argc=8, 
argv=0x7fff947287f8) at tst_controls.cpp:43
  QtQA::App::TestRunner:
  QtQA::App::TestRunner: Thread 2 (Thread 0x7ff66bfff700 (LWP 24972)):
  QtQA::App::TestRunner: #0  pthread_cond_wait@@GLIBC_2.3.2 () at 
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
  QtQA::App::TestRunner: #1  0x00007ff6729e9a23 in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
  QtQA::App::TestRunner: #2  0x00007ff67b7b7e9a in start_thread 
(arg=0x7ff66bfff700) at pthread_create.c:308
  QtQA::App::TestRunner: #3  0x00007ff67d438dbd in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
  QtQA::App::TestRunner: #4  0x0000000000000000 in ?? ()
  QtQA::App::TestRunner:
  QtQA::App::TestRunner: Thread 1 (Thread 0x7ff669ffb700 (LWP 24976)):
  QtQA::App::TestRunner: #0  0x00007ff67d37b445 in __GI_raise (sig=<optimized 
out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
  QtQA::App::TestRunner: #1  0x00007ff67d37ebab in __GI_abort () at abort.c:91
  QtQA::App::TestRunner: #2  0x00007ff67dcdf1a8 in 
TestNamespace::qt_message_fatal (context=..., message=...) at 
global/qlogging.cpp:981
  QtQA::App::TestRunner: #3  0x00007ff67dcdccc2 in 
TestNamespace::QMessageLogger::fatal (this=0x7ff669ff8760, msg=0x7ff67e032e98 
"ASSERT: \"%s\" in file %s, line %d") at global/qlogging.cpp:384
  QtQA::App::TestRunner: #4  0x00007ff67dcd85e0 in TestNamespace::qt_assert 
(assertion=0x7ff67c055058 "use.pos < successorStart || use.pos > successorEnd", 
file=0x7ff67c054f4c "compiler/qv4regalloc.cpp", line=876) at 
global/qglobal.cpp:2084
  QtQA::App::TestRunner: #5  0x00007ff67bd9d049 in (anonymous 
namespace)::ResolutionPhase::resolveEdge (this=0x7ff669ff8bb0, 
predecessor=0x7ff6641414a0, successor=0x7ff6640eef60) at 
compiler/qv4regalloc.cpp:876
  QtQA::App::TestRunner: #6  0x00007ff67bd9c55c in (anonymous 
namespace)::ResolutionPhase::resolve (this=0x7ff669ff8bb0) at 
compiler/qv4regalloc.cpp:788
  QtQA::App::TestRunner: #7  0x00007ff67bd9bc4e in (anonymous 
namespace)::ResolutionPhase::run (this=0x7ff669ff8bb0) at 
compiler/qv4regalloc.cpp:662
  QtQA::App::TestRunner: #8  0x00007ff67bd9e018 in 
TestNamespace::QQmlJS::MASM::RegisterAllocator::run (this=0x7ff669ff8cb0, 
function=0x7ff6640ee9a0, opt=...) at compiler/qv4regalloc.cpp:1050
  QtQA::App::TestRunner: #9  0x00007ff67bdb8dec in 
TestNamespace::QQmlJS::MASM::InstructionSelection::run (this=0x7ff664096550, 
functionIndex=36) at compiler/qv4isel_masm.cpp:670
  QtQA::App::TestRunner: #10 0x00007ff67bd6d55c in 
TestNamespace::QQmlJS::EvalInstructionSelection::compile (this=0x7ff664096558, 
generateUnitData=true) at compiler/qv4isel_p.cpp:85
  QtQA::App::TestRunner: #11 0x00007ff67bf2030d in 
TestNamespace::QQmlCompiler::compileTree (this=0x7ff669ff9430, 
tree=0x7ff664051b30) at qml/qqmlcompiler.cpp:926
  QtQA::App::TestRunner: #12 0x00007ff67bf1fa93 in 
TestNamespace::QQmlCompiler::compile (this=0x7ff669ff9430, engine=0x1da1f10, 
unit=0x7ff66403cb80, out=0x7ff66409d500) at qml/qqmlcompiler.cpp:856
  QtQA::App::TestRunner: #13 0x00007ff67bf595bf in 
TestNamespace::QQmlTypeData::compile (this=0x7ff66403cb80) at 
qml/qqmltypeloader.cpp:2467
  QtQA::App::TestRunner: #14 0x00007ff67bf56e2d in 
TestNamespace::QQmlTypeData::done (this=0x7ff66403cb80) at 
qml/qqmltypeloader.cpp:2100
  QtQA::App::TestRunner: #15 0x00007ff67bf501e0 in 
TestNamespace::QQmlDataBlob::tryDone (this=0x7ff66403cb80) at 
qml/qqmltypeloader.cpp:613
  QtQA::App::TestRunner: #16 0x00007ff67bf51d2e in 
TestNamespace::QQmlDataLoader::setData (this=0x1d98f10, blob=0x7ff66403cb80, 
d=...) at qml/qqmltypeloader.cpp:1165
  QtQA::App::TestRunner: #17 0x00007ff67bf51c1c in 
TestNamespace::QQmlDataLoader::setData (this=0x1d98f10, blob=0x7ff66403cb80, 
file=0x7ff669ff9a70) at qml/qqmltypeloader.cpp:1147
  QtQA::App::TestRunner: #18 0x00007ff67bf5143a in 
TestNamespace::QQmlDataLoader::loadThread (this=0x1d98f10, blob=0x7ff66403cb80) 
at qml/qqmltypeloader.cpp:1025
  QtQA::App::TestRunner: #19 0x00007ff67bf50c89 in 
TestNamespace::QQmlDataLoader::load (this=0x1d98f10, blob=0x7ff66403cb80, 
mode=TestNamespace::QQmlDataLoader::PreferSynchronous) at 
qml/qqmltypeloader.cpp:918
  QtQA::App::TestRunner: #20 0x00007ff67bf53c05 in 
TestNamespace::QQmlTypeLoader::getType (this=0x1d98f10, url=..., 
mode=TestNamespace::QQmlDataLoader::PreferSynchronous) at 
qml/qqmltypeloader.cpp:1539
  QtQA::App::TestRunner: #21 0x00007ff67bf59d6c in 
TestNamespace::QQmlTypeData::resolveTypes (this=0x24f8390) at 
qml/qqmltypeloader.cpp:2539
  QtQA::App::TestRunner: #22 0x00007ff67bf582a9 in 
TestNamespace::QQmlTypeData::allDependenciesDone (this=0x24f8390) at 
qml/qqmltypeloader.cpp:2271
  QtQA::App::TestRunner: #23 0x00007ff67bf51ce9 in 
TestNamespace::QQmlDataLoader::setData (this=0x1d98f10, blob=0x24f8390, d=...) 
at qml/qqmltypeloader.cpp:1158
  QtQA::App::TestRunner: #24 0x00007ff67bf51c1c in 
TestNamespace::QQmlDataLoader::setData (this=0x1d98f10, blob=0x24f8390, 
file=0x7ff669ffa110) at qml/qqmltypeloader.cpp:1147
  QtQA::App::TestRunner: #25 0x00007ff67bf5143a in 
TestNamespace::QQmlDataLoader::loadThread (this=0x1d98f10, blob=0x24f8390) at 
qml/qqmltypeloader.cpp:1025
  QtQA::App::TestRunner: #26 0x00007ff67bf50951 in 
TestNamespace::QQmlDataLoaderThread::loadThread (this=0x1d91c80, b=0x24f8390) 
at qml/qqmltypeloader.cpp:808
  QtQA::App::TestRunner: #27 0x00007ff67bf6a7dc in 
TestNamespace::QQmlThread::I::call (this=0x24f7ba0, thread=0x1d91c80) at 
/work/build/qt/qtbase/include/QtQml/5.2.0/QtQml/private/../../../../../../qtdeclarative/src/qml/qml/ftw/qqmlthread_p.h:160
  QtQA::App::TestRunner: #28 0x00007ff67bfd9c43 in 
TestNamespace::QQmlThreadPrivate::threadEvent (this=0x1d990d0) at 
qml/ftw/qqmlthread.cpp:195
  QtQA::App::TestRunner: #29 0x00007ff67bfd99e4 in 
TestNamespace::QQmlThreadPrivate::event (this=0x1d990d0, e=0x24f85a0) at 
qml/ftw/qqmlthread.cpp:135
  QtQA::App::TestRunner: #30 0x00007ff67e604bba in 
TestNamespace::QApplicationPrivate::notify_helper (this=0x1d54320, 
receiver=0x1d990d0, e=0x24f85a0) at kernel/qapplication.cpp:3470
  QtQA::App::TestRunner: #31 0x00007ff67e6021c3 in 
TestNamespace::QApplication::notify (this=0x1d52e80, receiver=0x1d990d0, 
e=0x24f85a0) at kernel/qapplication.cpp:2891
  QtQA::App::TestRunner: #32 0x00007ff67df5afe0 in 
TestNamespace::QCoreApplication::notifyInternal (this=0x1d52e80, 
receiver=0x1d990d0, event=0x24f85a0) at kernel/qcoreapplication.cpp:882
  QtQA::App::TestRunner: #33 0x00007ff67df5ecad in 
TestNamespace::QCoreApplication::sendEvent (receiver=0x1d990d0, 
event=0x24f85a0) at kernel/qcoreapplication.h:232
  QtQA::App::TestRunner: #34 0x00007ff67df5c0e0 in 
TestNamespace::QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, 
event_type=0, data=0x1d91d30) at kernel/qcoreapplication.cpp:1486
  QtQA::App::TestRunner: #35 0x00007ff67df5bca1 in 
TestNamespace::QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) 
at kernel/qcoreapplication.cpp:1344
  QtQA::App::TestRunner: #36 0x00007ff67dfd32e8 in 
TestNamespace::postEventSourceDispatch (s=0x7ff6640012c0) at 
kernel/qeventdispatcher_glib.cpp:279
  QtQA::App::TestRunner: #37 0x00007ff67a4b3d53 in g_main_context_dispatch () 
from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  QtQA::App::TestRunner: #38 0x00007ff67a4b40a0 in ?? () from 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
  QtQA::App::TestRunner: #39 0x00007ff67a4b4164 in g_main_context_iteration () 
from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  QtQA::App::TestRunner: #40 0x00007ff67dfd3abb in 
TestNamespace::QEventDispatcherGlib::processEvents (this=0x7ff6640008c0, 
flags=...) at kernel/qeventdispatcher_glib.cpp:426
  QtQA::App::TestRunner: #41 0x00007ff67df57ae8 in 
TestNamespace::QEventLoop::processEvents (this=0x7ff669ffada0, flags=...) at 
kernel/qeventloop.cpp:136
  QtQA::App::TestRunner: #42 0x00007ff67df57dc1 in 
TestNamespace::QEventLoop::exec (this=0x7ff669ffada0, flags=...) at 
kernel/qeventloop.cpp:212
  QtQA::App::TestRunner: #43 0x00007ff67dceb026 in TestNamespace::QThread::exec 
(this=0x1d990d0) at thread/qthread.cpp:509
  QtQA::App::TestRunner: #44 0x00007ff67bfd9a55 in 
TestNamespace::QQmlThreadPrivate::run (this=0x1d990d0) at 
qml/ftw/qqmlthread.cpp:148
  QtQA::App::TestRunner: #45 0x00007ff67dcf2290 in 
TestNamespace::QThreadPrivate::start (arg=0x1d990d0) at 
thread/qthread_unix.cpp:345
  QtQA::App::TestRunner: #46 0x00007ff67b7b7e9a in start_thread 
(arg=0x7ff669ffb700) at pthread_create.c:308
  QtQA::App::TestRunner: #47 0x00007ff67d438dbd in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
  QtQA::App::TestRunner: #48 0x0000000000000000 in ?? ()
  QtQA::App::TestRunner:
  QtQA::App::TestRunner: 
================================================================================
  QtQA::App::TestRunner: test failed, running again to see if it is flaky...
  ASSERT: "use.pos < successorStart || use.pos > successorEnd" in file 
compiler/qv4regalloc.cpp, line 876
  QtQA::App::TestRunner: Process exited due to signal 6; dumped core
  QtQA::App::TestRunner: ============================== backtrace follows: 
==============================
  QtQA::App::TestRunner: gdb commands: thread apply all bt 100
  QtQA::App::TestRunner: [New LWP 24986]
  QtQA::App::TestRunner: [New LWP 24982]
  QtQA::App::TestRunner: [New LWP 24983]
  QtQA::App::TestRunner: [New LWP 24984]
  QtQA::App::TestRunner: [New LWP 24980]
  QtQA::App::TestRunner: [New LWP 24985]
  QtQA::App::TestRunner: [New LWP 24981]
  QtQA::App::TestRunner:
  QtQA::App::TestRunner: warning: Can't read pathname for load map: 
Input/output error.
  QtQA::App::TestRunner: [Thread debugging using libthread_db enabled]
  QtQA::App::TestRunner: Using host libthread_db library 
"/lib/x86_64-linux-gnu/libthread_db.so.1".
  QtQA::App::TestRunner: Core was generated by `./tst_controls -o 
/work/build/_artifacts/test-logs/tst_controls-testresults-00.'.
  QtQA::App::TestRunner: Program terminated with signal 6, Aborted.
  QtQA::App::TestRunner: #0  0x00007f099218f445 in __GI_raise (sig=<optimized 
out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
  QtQA::App::TestRunner: 64     ../nptl/sysdeps/unix/sysv/linux/raise.c: No 
such file or directory.
  QtQA::App::TestRunner:
  QtQA::App::TestRunner: Thread 7 (Thread 0x7f0988a7a700 (LWP 24981)):
  QtQA::App::TestRunner: #0  0x00007f0992241403 in __GI___poll (fds=<optimized 
out>, nfds=<optimized out>, timeout=<optimized out>) at 
../sysdeps/unix/sysv/linux/poll.c:87
  QtQA::App::TestRunner: #1  0x00007f098c2ff862 in ?? () from 
/usr/lib/x86_64-linux-gnu/libxcb.so.1
  QtQA::App::TestRunner: #2  0x00007f098c300fff in xcb_wait_for_event () from 
/usr/lib/x86_64-linux-gnu/libxcb.so.1
  QtQA::App::TestRunner: #3  0x00007f098b0ee621 in 
TestNamespace::QXcbEventReader::run (this=0x145dd60) at qxcbconnection.cpp:1008
  QtQA::App::TestRunner: #4  0x00007f0992b06290 in 
TestNamespace::QThreadPrivate::start (arg=0x145dd60) at 
thread/qthread_unix.cpp:345
  QtQA::App::TestRunner: #5  0x00007f09905cbe9a in start_thread 
(arg=0x7f0988a7a700) at pthread_create.c:308
  QtQA::App::TestRunner: #6  0x00007f099224cdbd in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
  QtQA::App::TestRunner: #7  0x0000000000000000 in ?? ()
  QtQA::App::TestRunner:
  QtQA::App::TestRunner: Thread 6 (Thread 0x7f097f850700 (LWP 24985)):
  QtQA::App::TestRunner: #0  pthread_cond_wait@@GLIBC_2.3.2 () at 
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
  QtQA::App::TestRunner: #1  0x00007f098378da23 in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
  QtQA::App::TestRunner: #2  0x00007f09905cbe9a in start_thread 
(arg=0x7f097f850700) at pthread_create.c:308
  QtQA::App::TestRunner: #3  0x00007f099224cdbd in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
  QtQA::App::TestRunner: #4  0x0000000000000000 in ?? ()
  QtQA::App::TestRunner:
  QtQA::App::TestRunner: Thread 5 (Thread 0x7f099408b740 (LWP 24980)):
  QtQA::App::TestRunner: #0  pthread_cond_wait@@GLIBC_2.3.2 () at 
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
  QtQA::App::TestRunner: #1  0x00007f0992b07a2f in 
TestNamespace::QWaitConditionPrivate::wait (this=0x14916e0, 
time=18446744073709551615) at thread/qwaitcondition_unix.cpp:136
  QtQA::App::TestRunner: #2  0x00007f0992b077f7 in 
TestNamespace::QWaitCondition::wait (this=0x148afa8, mutex=0x148afa0, 
time=18446744073709551615) at thread/qwaitcondition_unix.cpp:208
  QtQA::App::TestRunner: #3  0x00007f0990dee4c6 in 
TestNamespace::QQmlThreadPrivate::wait (this=0x148af30) at 
qml/ftw/qqmlthread.cpp:64
  QtQA::App::TestRunner: #4  0x00007f0990dee151 in 
TestNamespace::QQmlThread::internalCallMethodInThread (this=0x1491630, 
message=0x1bf5630) at qml/ftw/qqmlthread.cpp:311
  QtQA::App::TestRunner: #5  0x00007f0990d71a18 in 
TestNamespace::QQmlThread::callMethodInThread<TestNamespace::QQmlDataBlob*, 
TestNamespace::QQmlDataBlob*, TestNamespace::QQmlDataLoaderThread> 
(this=0x1491630, Member=(void 
(TestNamespace::QQmlDataLoaderThread::*)(TestNamespace::QQmlDataLoaderThread * 
const, TestNamespace::QQmlDataBlob *)) 0x7f0990d6492a 
<TestNamespace::QQmlDataLoaderThread::loadThread(TestNamespace::QQmlDataBlob*)>,
 arg=@0x7fff84950c00: 0x1bf5dc0) at 
/work/build/qt/qtbase/include/QtQml/5.2.0/QtQml/private/../../../../../../qtdeclarative/src/qml/qml/ftw/qqmlthread_p.h:163
  QtQA::App::TestRunner: #6  0x00007f0990d646cf in 
TestNamespace::QQmlDataLoaderThread::load (this=0x1491630, b=0x1bf5dc0) at 
qml/qqmltypeloader.cpp:759
  QtQA::App::TestRunner: #7  0x00007f0990d64cc3 in 
TestNamespace::QQmlDataLoader::load (this=0x148ad70, blob=0x1bf5dc0, 
mode=TestNamespace::QQmlDataLoader::PreferSynchronous) at 
qml/qqmltypeloader.cpp:922
  QtQA::App::TestRunner: #8  0x00007f0990d67c05 in 
TestNamespace::QQmlTypeLoader::getType (this=0x148ad70, url=..., 
mode=TestNamespace::QQmlDataLoader::PreferSynchronous) at 
qml/qqmltypeloader.cpp:1539
  QtQA::App::TestRunner: #9  0x00007f0990d150fa in 
TestNamespace::QQmlComponentPrivate::loadUrl (this=0x1bf5a40, newUrl=..., 
mode=TestNamespace::QQmlComponent::PreferSynchronous) at 
qml/qqmlcomponent.cpp:701
  QtQA::App::TestRunner: #10 0x00007f0990d148fb in 
TestNamespace::QQmlComponent::QQmlComponent (this=0x1bf5590, engine=0x147eab0, 
url=..., parent=0x147b020) at qml/qqmlcomponent.cpp:541
  QtQA::App::TestRunner: #11 0x00007f09915103e4 in 
TestNamespace::QQuickViewPrivate::execute (this=0x148ff60) at 
items/qquickview.cpp:104
  QtQA::App::TestRunner: #12 0x00007f099151081e in 
TestNamespace::QQuickView::setSource (this=0x147b020, url=...) at 
items/qquickview.cpp:235
  QtQA::App::TestRunner: #13 0x00007f0993c7738d in 
TestNamespace::quick_test_main (argc=5, argv=0x7fff849514f8, name=0x400b03 
"qtquickcontrols", sourceDir=0x400ad0 
"/work/build/qt/qtquickcontrols/tests/auto/controls") at quicktest.cpp:346
  QtQA::App::TestRunner: #14 0x0000000000400982 in main (argc=7, 
argv=0x7fff849514f8) at tst_controls.cpp:43
  QtQA::App::TestRunner:
  QtQA::App::TestRunner: Thread 4 (Thread 0x7f0980051700 (LWP 24984)):
  QtQA::App::TestRunner: #0  pthread_cond_wait@@GLIBC_2.3.2 () at 
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
  QtQA::App::TestRunner: #1  0x00007f098378da23 in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
  QtQA::App::TestRunner: #2  0x00007f09905cbe9a in start_thread 
(arg=0x7f0980051700) at pthread_create.c:308
  QtQA::App::TestRunner: #3  0x00007f099224cdbd in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
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  QtQA::App::TestRunner:
  QtQA::App::TestRunner: Thread 3 (Thread 0x7f0980852700 (LWP 24983)):
  QtQA::App::TestRunner: #0  pthread_cond_wait@@GLIBC_2.3.2 () at 
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
  QtQA::App::TestRunner: #1  0x00007f098378da23 in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
  QtQA::App::TestRunner: #2  0x00007f09905cbe9a in start_thread 
(arg=0x7f0980852700) at pthread_create.c:308
  QtQA::App::TestRunner: #3  0x00007f099224cdbd in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
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  QtQA::App::TestRunner: Thread 2 (Thread 0x7f0981053700 (LWP 24982)):
  QtQA::App::TestRunner: #0  pthread_cond_wait@@GLIBC_2.3.2 () at 
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
  QtQA::App::TestRunner: #1  0x00007f098378da23 in ?? () from 
/usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
  QtQA::App::TestRunner: #2  0x00007f09905cbe9a in start_thread 
(arg=0x7f0981053700) at pthread_create.c:308
  QtQA::App::TestRunner: #3  0x00007f099224cdbd in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
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  QtQA::App::TestRunner: Thread 1 (Thread 0x7f097f04f700 (LWP 24986)):
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out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
  QtQA::App::TestRunner: #1  0x00007f0992192bab in __GI_abort () at abort.c:91
  QtQA::App::TestRunner: #2  0x00007f0992af31a8 in 
TestNamespace::qt_message_fatal (context=..., message=...) at 
global/qlogging.cpp:981
  QtQA::App::TestRunner: #3  0x00007f0992af0cc2 in 
TestNamespace::QMessageLogger::fatal (this=0x7f097f04c760, msg=0x7f0992e46e98 
"ASSERT: \"%s\" in file %s, line %d") at global/qlogging.cpp:384
  QtQA::App::TestRunner: #4  0x00007f0992aec5e0 in TestNamespace::qt_assert 
(assertion=0x7f0990e69058 "use.pos < successorStart || use.pos > successorEnd", 
file=0x7f0990e68f4c "compiler/qv4regalloc.cpp", line=876) at 
global/qglobal.cpp:2084
  QtQA::App::TestRunner: #5  0x00007f0990bb1049 in (anonymous 
namespace)::ResolutionPhase::resolveEdge (this=0x7f097f04cbb0, 
predecessor=0x7f0978127af0, successor=0x7f09780eef60) at 
compiler/qv4regalloc.cpp:876
  QtQA::App::TestRunner: #6  0x00007f0990bb055c in (anonymous 
namespace)::ResolutionPhase::resolve (this=0x7f097f04cbb0) at 
compiler/qv4regalloc.cpp:788
  QtQA::App::TestRunner: #7  0x00007f0990bafc4e in (anonymous 
namespace)::ResolutionPhase::run (this=0x7f097f04cbb0) at 
compiler/qv4regalloc.cpp:662
  QtQA::App::TestRunner: #8  0x00007f0990bb2018 in 
TestNamespace::QQmlJS::MASM::RegisterAllocator::run (this=0x7f097f04ccb0, 
function=0x7f09780ee9a0, opt=...) at compiler/qv4regalloc.cpp:1050
  QtQA::App::TestRunner: #9  0x00007f0990bccdec in 
TestNamespace::QQmlJS::MASM::InstructionSelection::run (this=0x7f097808baa0, 
functionIndex=36) at compiler/qv4isel_masm.cpp:670
  QtQA::App::TestRunner: #10 0x00007f0990b8155c in 
TestNamespace::QQmlJS::EvalInstructionSelection::compile (this=0x7f097808baa8, 
generateUnitData=true) at compiler/qv4isel_p.cpp:85
  QtQA::App::TestRunner: #11 0x00007f0990d3430d in 
TestNamespace::QQmlCompiler::compileTree (this=0x7f097f04d430, 
tree=0x7f0978051b30) at qml/qqmlcompiler.cpp:926
  QtQA::App::TestRunner: #12 0x00007f0990d33a93 in 
TestNamespace::QQmlCompiler::compile (this=0x7f097f04d430, engine=0x147eab0, 
unit=0x7f097803cb80, out=0x7f0978099fb0) at qml/qqmlcompiler.cpp:856
  QtQA::App::TestRunner: #13 0x00007f0990d6d5bf in 
TestNamespace::QQmlTypeData::compile (this=0x7f097803cb80) at 
qml/qqmltypeloader.cpp:2467
  QtQA::App::TestRunner: #14 0x00007f0990d6ae2d in 
TestNamespace::QQmlTypeData::done (this=0x7f097803cb80) at 
qml/qqmltypeloader.cpp:2100
  QtQA::App::TestRunner: #15 0x00007f0990d641e0 in 
TestNamespace::QQmlDataBlob::tryDone (this=0x7f097803cb80) at 
qml/qqmltypeloader.cpp:613
  QtQA::App::TestRunner: #16 0x00007f0990d65d2e in 
TestNamespace::QQmlDataLoader::setData (this=0x148ad70, blob=0x7f097803cb80, 
d=...) at qml/qqmltypeloader.cpp:1165
  QtQA::App::TestRunner: #17 0x00007f0990d65c1c in 
TestNamespace::QQmlDataLoader::setData (this=0x148ad70, blob=0x7f097803cb80, 
file=0x7f097f04da70) at qml/qqmltypeloader.cpp:1147
  QtQA::App::TestRunner: #18 0x00007f0990d6543a in 
TestNamespace::QQmlDataLoader::loadThread (this=0x148ad70, blob=0x7f097803cb80) 
at qml/qqmltypeloader.cpp:1025
  QtQA::App::TestRunner: #19 0x00007f0990d64c89 in 
TestNamespace::QQmlDataLoader::load (this=0x148ad70, blob=0x7f097803cb80, 
mode=TestNamespace::QQmlDataLoader::PreferSynchronous) at 
qml/qqmltypeloader.cpp:918
  QtQA::App::TestRunner: #20 0x00007f0990d67c05 in 
TestNamespace::QQmlTypeLoader::getType (this=0x148ad70, url=..., 
mode=TestNamespace::QQmlDataLoader::PreferSynchronous) at 
qml/qqmltypeloader.cpp:1539
  QtQA::App::TestRunner: #21 0x00007f0990d6dd6c in 
TestNamespace::QQmlTypeData::resolveTypes (this=0x1bf5dc0) at 
qml/qqmltypeloader.cpp:2539
  QtQA::App::TestRunner: #22 0x00007f0990d6c2a9 in 
TestNamespace::QQmlTypeData::allDependenciesDone (this=0x1bf5dc0) at 
qml/qqmltypeloader.cpp:2271
  QtQA::App::TestRunner: #23 0x00007f0990d65ce9 in 
TestNamespace::QQmlDataLoader::setData (this=0x148ad70, blob=0x1bf5dc0, d=...) 
at qml/qqmltypeloader.cpp:1158
  QtQA::App::TestRunner: #24 0x00007f0990d65c1c in 
TestNamespace::QQmlDataLoader::setData (this=0x148ad70, blob=0x1bf5dc0, 
file=0x7f097f04e110) at qml/qqmltypeloader.cpp:1147
  QtQA::App::TestRunner: #25 0x00007f0990d6543a in 
TestNamespace::QQmlDataLoader::loadThread (this=0x148ad70, blob=0x1bf5dc0) at 
qml/qqmltypeloader.cpp:1025
  QtQA::App::TestRunner: #26 0x00007f0990d64951 in 
TestNamespace::QQmlDataLoaderThread::loadThread (this=0x1491630, b=0x1bf5dc0) 
at qml/qqmltypeloader.cpp:808
  QtQA::App::TestRunner: #27 0x00007f0990d7e7dc in 
TestNamespace::QQmlThread::I::call (this=0x1bf5630, thread=0x1491630) at 
/work/build/qt/qtbase/include/QtQml/5.2.0/QtQml/private/../../../../../../qtdeclarative/src/qml/qml/ftw/qqmlthread_p.h:160
  QtQA::App::TestRunner: #28 0x00007f0990dedc43 in 
TestNamespace::QQmlThreadPrivate::threadEvent (this=0x148af30) at 
qml/ftw/qqmlthread.cpp:195
  QtQA::App::TestRunner: #29 0x00007f0990ded9e4 in 
TestNamespace::QQmlThreadPrivate::event (this=0x148af30, e=0x1bf5610) at 
qml/ftw/qqmlthread.cpp:135
  QtQA::App::TestRunner: #30 0x00007f0993418bba in 
TestNamespace::QApplicationPrivate::notify_helper (this=0x1446320, 
receiver=0x148af30, e=0x1bf5610) at kernel/qapplication.cpp:3470
  QtQA::App::TestRunner: #31 0x00007f09934161c3 in 
TestNamespace::QApplication::notify (this=0x1444e80, receiver=0x148af30, 
e=0x1bf5610) at kernel/qapplication.cpp:2891
  QtQA::App::TestRunner: #32 0x00007f0992d6efe0 in 
TestNamespace::QCoreApplication::notifyInternal (this=0x1444e80, 
receiver=0x148af30, event=0x1bf5610) at kernel/qcoreapplication.cpp:882
  QtQA::App::TestRunner: #33 0x00007f0992d72cad in 
TestNamespace::QCoreApplication::sendEvent (receiver=0x148af30, 
event=0x1bf5610) at kernel/qcoreapplication.h:232
  QtQA::App::TestRunner: #34 0x00007f0992d700e0 in 
TestNamespace::QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, 
event_type=0, data=0x148b070) at kernel/qcoreapplication.cpp:1486
  QtQA::App::TestRunner: #35 0x00007f0992d6fca1 in 
TestNamespace::QCoreApplication::sendPostedEvents (receiver=0x0, event_type=0) 
at kernel/qcoreapplication.cpp:1344
  QtQA::App::TestRunner: #36 0x00007f0992de72e8 in 
TestNamespace::postEventSourceDispatch (s=0x7f09780012c0) at 
kernel/qeventdispatcher_glib.cpp:279
  QtQA::App::TestRunner: #37 0x00007f098f2c7d53 in g_main_context_dispatch () 
from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  QtQA::App::TestRunner: #38 0x00007f098f2c80a0 in ?? () from 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
  QtQA::App::TestRunner: #39 0x00007f098f2c8164 in g_main_context_iteration () 
from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  QtQA::App::TestRunner: #40 0x00007f0992de7abb in 
TestNamespace::QEventDispatcherGlib::processEvents (this=0x7f09780008c0, 
flags=...) at kernel/qeventdispatcher_glib.cpp:426
  QtQA::App::TestRunner: #41 0x00007f0992d6bae8 in 
TestNamespace::QEventLoop::processEvents (this=0x7f097f04eda0, flags=...) at 
kernel/qeventloop.cpp:136
  QtQA::App::TestRunner: #42 0x00007f0992d6bdc1 in 
TestNamespace::QEventLoop::exec (this=0x7f097f04eda0, flags=...) at 
kernel/qeventloop.cpp:212
  QtQA::App::TestRunner: #43 0x00007f0992aff026 in TestNamespace::QThread::exec 
(this=0x148af30) at thread/qthread.cpp:509
  QtQA::App::TestRunner: #44 0x00007f0990deda55 in 
TestNamespace::QQmlThreadPrivate::run (this=0x148af30) at 
qml/ftw/qqmlthread.cpp:148
  QtQA::App::TestRunner: #45 0x00007f0992b06290 in 
TestNamespace::QThreadPrivate::start (arg=0x148af30) at 
thread/qthread_unix.cpp:345
  QtQA::App::TestRunner: #46 0x00007f09905cbe9a in start_thread 
(arg=0x7f097f04f700) at pthread_create.c:308
  QtQA::App::TestRunner: #47 0x00007f099224cdbd in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
  QtQA::App::TestRunner: #48 0x0000000000000000 in ?? ()
  QtQA::App::TestRunner:
  QtQA::App::TestRunner: 
================================================================================
  QtQA::App::TestRunner: test failure could be reproduced twice consecutively
  QtQA::App::TestRunner: end tst_controls: 40 seconds, signal 6

  Build log: 
http://testresults.qt-project.org/ci/QtDeclarative_stable_Integration/build_01253/revdep-qtquickcontrols_linux-g++_developer-build_qtnamespace_qtlibinfix_Ubuntu_12.04_x64/log.txt.gz

  Tested changes (refs/builds/stable_1383251977):
    http://codereview.qt-project.org/69503 [PS12] - Speed up repeated context, 
scope and import script lookups
    http://codereview.qt-project.org/69491 [PS12] - Speed up lookups of 
imported scripts
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