[Libreoffice-bugs] [Bug 117155] !!br0ken!! mysteriously appears in Spellcheck after some steps

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=117155

--- Comment #3 from Noel Grandin <noelgrandin at gmail.com> ---
reproducing with buovjaga assistance, I get the stack trace:

(gdb) bt 25
#0  0x00002aaaaaefd428 in __GI_raise (sig=sig at entry=6) at
../sysdeps/unix/sysv/linux/raise.c:54
#1  0x00002aaaaaeff02a in __GI_abort () at abort.c:89
#2  0x00002aaaaaef5bd7 in __assert_fail_base (fmt=<optimized out>,
assertion=assertion at entry=0x2aaaaab67c68 "false",
file=file at entry=0x2aaaaab6ad2d "/home/noel/libo/sal/rtl/strtmpl.cxx", 
    line=line at entry=1399, function=function at entry=0x2aaaaab6d9ea "void
rtl_uString_newFromSubString(rtl_uString **, const rtl_uString *, sal_Int32,
sal_Int32)") at assert.c:92
#3  0x00002aaaaaef5c82 in __GI___assert_fail (assertion=0x2aaaaab67c68 "false",
file=0x2aaaaab6ad2d "/home/noel/libo/sal/rtl/strtmpl.cxx", line=1399, 
    function=0x2aaaaab6d9ea "void rtl_uString_newFromSubString(rtl_uString **,
const rtl_uString *, sal_Int32, sal_Int32)") at assert.c:101
#4  0x00002aaaaab2b357 in rtl_uString_newFromSubString (ppThis=0x7ffffffef870,
pFrom=0x18697c0, beginIndex=0, count=6) at
/home/noel/libo/sal/rtl/strtmpl.cxx:1399
#5  0x00002aaab33f45cb in rtl::OUString::copy (this=0x2c290d0, beginIndex=0,
count=6) at /home/noel/libo/include/rtl/ustring.hxx:2214
#6  0x00002aaab3752c65 in TextEngine::GetText (this=0x2c28430, rSel=...,
aSeparator=LINEEND_LF) at /home/noel/libo/vcl/source/edit/texteng.cxx:418
#7  0x00002aaaf2bc8847 in svx::SentenceEditWindow_Impl::GetErrorText
(this=0x2c25bc0) at /home/noel/libo/cui/source/dialogs/SpellDialog.cxx:1703
#8  0x00002aaaf2bc8ae4 in svx::SpellDialog::getReplacementString
(this=0x2bfce10) at /home/noel/libo/cui/source/dialogs/SpellDialog.cxx:526
#9  0x00002aaaf2bc8f30 in svx::SpellDialog::ChangeHdl (this=0x2bfce10) at
/home/noel/libo/cui/source/dialogs/SpellDialog.cxx:553
#10 0x00002aaaf2bc4058 in svx::SpellDialog::LinkStubChangeHdl
(instance=0x2bfce10, data=0x2c2de60) at
/home/noel/libo/cui/source/dialogs/SpellDialog.cxx:544
#11 0x00002aaab3659388 in Link<Button*, void>::Call (this=0x2c2e0a0,
data=0x2c2de60) at /home/noel/libo/include/tools/link.hxx:84
#12 0x00002aaab365483c in Button::Click()::$_0::operator()() const
(this=0x7ffffffefd08) at /home/noel/libo/vcl/source/control/button.cxx:123
#13 0x00002aaab36546dd in std::_Function_handler<void (),
Button::Click()::$_0>::_M_invoke(std::_Any_data const&) (__functor=...)
    at
/usr/lib/gcc/x86_64-linux-gnu/5.4.0/../../../../include/c++/5.4.0/functional:1871
#14 0x00002aaab36703ee in std::function<void ()>::operator()() const
(this=0x7ffffffefd08) at
/usr/lib/gcc/x86_64-linux-gnu/5.4.0/../../../../include/c++/5.4.0/functional:2267
#15 0x00002aaab366ddc1 in Control::ImplCallEventListenersAndHandler(VclEventId,
std::function<void ()> const&) (this=0x2c2de60, nEvent=VclEventId::ButtonClick,
callHandler=...)
    at /home/noel/libo/vcl/source/control/ctrl.cxx:312
#16 0x00002aaab363cec8 in Button::Click (this=0x2c2de60) at
/home/noel/libo/vcl/source/control/button.cxx:123
#17 0x00002aaab36438ef in PushButton::Tracking (this=0x2c2de60, rTEvt=...) at
/home/noel/libo/vcl/source/control/button.cxx:1273
#18 0x00002aaab35e8e3d in vcl::Window::EndTracking (this=0x2c2de60,
nFlags=TrackingEventFlags::NONE) at
/home/noel/libo/vcl/source/window/window2.cxx:365
#19 0x00002aaab3628dcd in ImplHandleMouseEvent (xWindow=...,
nSVEvent=MouseNotifyEvent::MOUSEBUTTONUP, bMouseLeave=false, nX=594, nY=245,
nMsgTime=335672645, nCode=1, 
    nMode=(MouseEventModifiers::SIMPLECLICK | MouseEventModifiers::SELECT)) at
/home/noel/libo/vcl/source/window/winproc.cxx:705
#20 0x00002aaab3631f0e in ImplHandleSalMouseButtonUp (pWindow=0x2bfce10,
pEvent=0x7fffffff13b8) at /home/noel/libo/vcl/source/window/winproc.cxx:1994
#21 0x00002aaab362c3c9 in ImplWindowFrameProc (_pWindow=0x2bfce10,
nEvent=SalEvent::MouseButtonUp, pEvent=0x7fffffff13b8) at
/home/noel/libo/vcl/source/window/winproc.cxx:2330
#22 0x00002aaac2ba4fb5 in SalFrame::CallCallback (this=0x2c00550,
nEvent=SalEvent::MouseButtonUp, pEvent=0x7fffffff13b8) at
/home/noel/libo/vcl/inc/salframe.hxx:279

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