[Gambas-bugtracker] Bug #2046: Commit e5f1462c0214b83ab9b64f0736bd7b44fa881cfe causes stack overflow

[bugtracker at gambaswiki.org]

http://gambaswiki.org/bugtracker/edit?object=BUG.2046&from=L21haW4-

Tony MOREHEN reported a new bug.

Summary
-------

Commit e5f1462c0214b83ab9b64f0736bd7b44fa881cfe causes stack overflow

Type             : Bug
Priority         : High
Gambas version   : Master
Product          : Unknown


Description
-----------

After commit e5f1462c0214b83ab9b64f0736bd7b44fa881cfe, the line

Debug IsNull(Desktop.Windows) raises a stack overflow error.  As well, any use of Desktop.Windows fails.


Before that, it returns false.


System information
------------------

[System]
Gambas=3.15.90
OperatingSystem=Linux
Kernel=5.9.3-1-MANJARO
Architecture=x86_64
Distribution=Manjaro Linux
Desktop=XFCE
Theme=qt5ctproxy
Language=en_CA.utf8
Memory=5892M

[Libraries]
Cairo=libcairo.so.2.11703.0
Curl=libcurl.so.4.7.0
DBus=libdbus-1.so.3.19.13
GDK2=libgdk-x11-2.0.so.0.2400.32
GDK3=libgdk-3.so.0.2404.19
GStreamer=libgstreamer-1.0.so.0.1801.0
GTK+2=libgtk-x11-2.0.so.0.2400.32
GTK+3=libgtk-3.so.0.2404.19
OpenGL=libGL.so.1.7.0
Poppler=libpoppler.so.103.0.0
QT4=libQtCore.so.4.8.7
QT5=libQt5Core.so.5.15.1
SDL=libSDL-1.2.so.0.11.4
SQLite=libsqlite3.so.0.8.6

[Environment]
DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/1000/bus
DESKTOP_SESSION=xfce-AJMSoftware
DISPLAY=:0
EDITOR=/usr/bin/nano
GB_GUI=gb.qt5
GDMSESSION=xfce-AJMSoftware
GTK2_RC_FILES=<home>/.gtkrc-2.0
GTK_MODULES=canberra-gtk-module:canberra-gtk-module
GTK_OVERLAY_SCROLLING=0
HOME=<home>
LANG=en_CA.utf8
LC_ADDRESS=en_CA.UTF-8
LC_ALL=en_CA.utf8
LC_IDENTIFICATION=en_CA.UTF-8
LC_MEASUREMENT=en_CA.UTF-8
LC_MONETARY=en_CA.UTF-8
LC_NAME=en_CA.UTF-8
LC_NUMERIC=en_CA.UTF-8
LC_PAPER=en_CA.UTF-8
LC_TELEPHONE=en_CA.UTF-8
LC_TIME=en_CA.UTF-8
LOGNAME=<user>
MAIL=/var/spool/mail/<user>
MOTD_SHOWN=pam
MOZ_PLUGIN_PATH=/usr/lib/mozilla/plugins
PATH=<home>/.local/bin:/usr/local/bin:/usr/bin:/bin:/usr/local/sbin:/usr/bin/site_perl:/usr/bin/vendor_perl:/usr/bin/core_perl
PWD=<home>
QT_AUTO_SCREEN_SCALE_FACTOR=0
QT_LOGGING_RULES=*.debug=false
QT_QPA_PLATFORMTHEME=qt5ct
SESSION_MANAGER=local/<hostname>:@/tmp/.ICE-unix/39861,unix/<hostname>:/tmp/.ICE-unix/39861
SHELL=/bin/bash
SHLVL=1
SSH_AGENT_PID=39885
SSH_AUTH_SOCK=/tmp/ssh-6ZGtqu8A7Wtq/agent.39884
TZ=:/etc/localtime
USER=<user>
XAUTHORITY=<home>/.Xauthority
XDG_CONFIG_DIRS=/etc/xdg
XDG_CURRENT_DESKTOP=XFCE
XDG_DATA_DIRS=/usr/local/share:/usr/share
XDG_GREETER_DATA_DIR=/var/lib/lightdm-data/<user>
XDG_MENU_PREFIX=xfce-
XDG_RUNTIME_DIR=/run/user/1000
XDG_SEAT=seat0
XDG_SEAT_PATH=/org/freedesktop/DisplayManager/Seat0
XDG_SESSION_CLASS=user
XDG_SESSION_DESKTOP=xfce-AJMSoftware
XDG_SESSION_ID=24
XDG_SESSION_PATH=/org/freedesktop/DisplayManager/Session10
XDG_SESSION_TYPE=x11
XDG_VTNR=7
_=/usr/bin/gambas3
force_s3tc_enable=true