[Lazarus] Qt4 crash in CudaText

[AlexeyT]

Qt4 version.

user at PC:~$ dpkg-query -s qtchooser

Package: qtchooser
Status: install ok installed
Priority: optional
Section: libdevel
Installed-Size: 127
Maintainer: Ubuntu Developers <ubuntu-devel-discuss at lists.ubuntu.com>
Architecture: amd64
Multi-Arch: foreign
Version: 66-1
Replaces: libqt5core5a (<< 5.5.1+dfsg-17~), libqtcore4 (<< 
4:4.8.7+dfsg-7~), qtchooser-bin (<< 64-ga1b6736-2~)
Depends: libc6 (>= 2.14), libgcc1 (>= 1:3.0), libstdc++6 (>= 5.2)
Breaks: libqt5core5a (<< 5.5.1+dfsg-17~), libqtcore4 (<< 
4:4.8.7+dfsg-7~), qtbase5-dev-tools (<< 5.9.2+dfsg-3~), qtchooser-bin 
(<< 64-ga1b6736-2~), qttools5-dev-tools (<< 5.9.2-2~)