Bug#812567: qtcreator: Crash editor

[ioann sys <ioann.sys@gmail.com>]

Package: qtcreator
Version: 3.5.1+dfsg-2
Severity: important

Hello! After some time, my QtCreator has been crashed whith info:
[ 3959.336949] Thread (pooled)[2408]: segfault at 7f4ea8002ff8 ip
00007f4eb7d1cdcf sp 00007f4ea8002ff0 error 6 in
libCPlusPlus.so.1.0.0[7f4eb7b8e000+22a000]
[ 7942.967980] TextEditor::Int[4078]: segfault at 7fd2f5530fb0 ip
00007fd329f184dc sp 00007fd2f5530fa0 error 6 in
libc-2.21.so[7fd329ea0000+19a000]

And autocomlectation code very slow.



-- System Information:
Debian Release: stretch/sid
  APT prefers testing-updates
  APT policy: (500, 'testing-updates'), (500, 'testing')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 4.3.0-1-amd64 (SMP w/2 CPU cores)
Locale: LANG=ru_RU.utf8, LC_CTYPE=ru_RU.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages qtcreator depends on:
ii  libbotan-1.10-1                       1.10.10-6+b1
ii  libc6                                 2.21-6
ii  libclang1-3.6                         1:3.6.2-3
ii  libgcc1                               1:5.3.1-5
ii  libqbscore1                           1.4.4+dfsg-1
ii  libqbsqtprofilesetup1                 1.4.4+dfsg-1
ii  libqt5concurrent5                     5.5.1+dfsg-12
ii  libqt5core5a [qtbase-abi-5-5-1]       5.5.1+dfsg-12
ii  libqt5designer5                       5.5.1-3
ii  libqt5designercomponents5             5.5.1-3
ii  libqt5gui5                            5.5.1+dfsg-12
ii  libqt5help5                           5.5.1-3
ii  libqt5network5                        5.5.1+dfsg-12
ii  libqt5printsupport5                   5.5.1+dfsg-12
ii  libqt5qml5 [qtdeclarative-abi-5-5-0]  5.5.1-3
ii  libqt5quick5                          5.5.1-3
ii  libqt5quickwidgets5                   5.5.1-3
ii  libqt5sql5                            5.5.1+dfsg-12
ii  libqt5sql5-sqlite                     5.5.1+dfsg-12
ii  libqt5webkit5                         5.5.1+dfsg-2
ii  libqt5widgets5                        5.5.1+dfsg-12
ii  libqt5xml5                            5.5.1+dfsg-12
ii  libstdc++6                            5.3.1-5
ii  qml-module-qtquick-controls           5.5.1-2
ii  qml-module-qtquick2                   5.5.1-3
ii  qtchooser                             52-gae5eeef-2
ii  qtcreator-data                        3.5.1+dfsg-2

Versions of packages qtcreator recommends:
ii  gdb                                   7.10-1+b1
ii  gnome-terminal [x-terminal-emulator]  3.18.2-1
ii  konsole [x-terminal-emulator]         4:15.08.3-1
ii  make                                  4.0-8.2
ii  mate-terminal [x-terminal-emulator]   1.12.1-1
ii  qt5-doc                               5.5.1-1
ii  qtbase5-dev-tools                     5.5.1+dfsg-12
ii  qtcreator-doc                         3.5.1+dfsg-2
ii  qtdeclarative5-dev-tools              5.5.1-3
ii  qttools5-dev-tools                    5.5.1-3
ii  qttranslations5-l10n                  5.5.1-2
ii  qtxmlpatterns5-dev-tools              5.5.1-2
ii  xfce4-terminal [x-terminal-emulator]  0.6.3-2
ii  xterm [x-terminal-emulator]           322-1

Versions of packages qtcreator suggests:
ii  cmake          3.4.1-2
ii  g++            4:5.3.1-1
ii  git            1:2.7.0~rc3-1
ii  kdelibs5-data  4:4.14.14-1
pn  subversion     <none>

-- no debconf information