firefox 46 crashed with SIGSEGV, PPC

[ernsteiswuerfel]

Firefox 46 starts, opens the main window for a short time and then crashes. This happens always since the update to Firefox 46. Machine affected: PowerBook 5,8.

I filed another bug report for my PowerMac G5, same problem.

ProblemType: Crash
DistroRelease: Ubuntu 16.04
Package: firefox 46.0.1+build1-0ubuntu0.16.04.2
ProcVersionSignature: Ubuntu 4.4.0-22.40-powerpc-smp 4.4.8
Uname: Linux 4.4.0-22-powerpc-smp ppc
AddonCompatCheckDisabled: False
ApportVersion: 2.20.1-0ubuntu2
Architecture: powerpc
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: ef 2117 F.... pulseaudio
BuildID: 20160511224152
Channel: Unavailable
CurrentDesktop: MATE
Date: Mon May 23 01:38:22 2016
ExecutablePath: /usr/lib/firefox/firefox
Extensions: extensions.sqlite corrupt or missing
ForcedLayersAccel: False
IfupdownConfig:
 # interfaces(5) file used by ifup(8) and ifdown(8)
 auto lo
 iface lo inet loopback
IncompatibleExtensions: Unavailable (corrupt or non-existant compatibility.ini or extensions.sqlite)
InstallationDate: Installed on 2015-09-16 (248 days ago)
InstallationMedia: Ubuntu-MATE 15.10 "Wily Werewolf" - Alpha powerpc (20150827)
IpRoute:
 default via 192.168.3.1 dev wlan0 proto static metric 600
 169.254.0.0/16 dev wlan0 scope link metric 1000
 192.168.3.0/24 dev wlan0 proto kernel scope link src 192.168.3.2 metric 600
Locales: extensions.sqlite corrupt or missing
PrefSources: prefs.js
ProcCmdline: /usr/lib/firefox/firefox
ProcEnviron:
 LANGUAGE=de_AT:de
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=de_AT.UTF-8
 SHELL=/bin/bash
Profiles: Profile0 (Default) - LastVersion=46.0.1/20160511224152
RunningIncompatibleAddons: False
Signal: 11
SourcePackage: firefox
StacktraceTop:
 ?? () from /usr/lib/firefox/libxul.so
 ?? () from /usr/lib/firefox/libxul.so
 ?? () from /usr/lib/firefox/libxul.so
 ?? () from /usr/lib/firefox/libxul.so
 ?? () from /usr/lib/firefox/libxul.so
Themes: extensions.sqlite corrupt or missing
Title: firefox crashed with SIGSEGV
UpgradeStatus: Upgraded to xenial on 2016-05-08 (14 days ago)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo