FreeCAD 0.17 with qt5, python3: SIGSEGV in libQt5WebKit.so

gistfile1.txt

[yopito@voidm ~]$ file /usr/lib/freecad/bin/FreeCAD
/usr/lib/freecad/bin/FreeCAD: ELF 64-bit LSB pie executable, x86-64, version 1 (SYSV), dynamically linked, interpreter /lib/ld-musl-x86_64.so.1, BuildID[sha1]=b759fb751d2f5f7daaa79154293f906d222171f7, stripped

[yopito@voidm ~]$ gdb /usr/lib/freecad/bin/FreeCAD
GNU gdb (GDB) 8.2.1
Copyright (C) 2018 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
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There is NO WARRANTY, to the extent permitted by law.
Type "show copying" and "show warranty" for details.
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Type "show configuration" for configuration details.
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Reading symbols from /usr/lib/freecad/bin/FreeCAD...(no debugging symbols found)...done.

gdb) run
Starting program: /usr/bin/FreeCAD
FreeCAD 0.17, Libs: 0.17RUnknown
© Juergen Riegel, Werner Mayer, Yorik van Havre 2001-2018
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[New LWP 1871]
[New LWP 1872]
[Detaching after fork from child process 1873]
warning: the debug information found in "/usr/lib/xorg/modules/drivers/radeonsi_dri.so" does not match "/usr/lib/
xorg/modules/drivers/swrast_dri.so" (CRC mismatch).

[New LWP 1878]
[New LWP 1879]
[New LWP 1880]
[New LWP 1881]
Error compiling builtin:
Fatal error compiling builtin function 'apply':
Thread 1 "FreeCAD" received signal SIGSEGV, Segmentation fault.
0x00007fffde5d512e in WTFCrash () from /lib/libQt5WebKit.so.5
(gdb) bt
#0  0x00007fffde5d512e in WTFCrash () from /lib/libQt5WebKit.so.5
#1  0x00007fffddf206e5 in ?? () from /lib/libQt5WebKit.so.5
#2  0x00007fffddf2239f in ?? () from /lib/libQt5WebKit.so.5
#3  0x00007fffddf05950 in ?? () from /lib/libQt5WebKit.so.5
#4  0x00007fffde17758d in ?? () from /lib/libQt5WebKit.so.5
#5  0x00007fffddd84342 in JSC::JSGlobalObject::init(JSC::VM&) () from /lib/libQt5WebKit.so.5
#6  0x00007fffdeb135ed in WebCore::JSDOMGlobalObject::finishCreation(JSC::VM&, JSC::JSObject*) ()
   from /lib/libQt5WebKit.so.5
#7  0x00007fffdeb136a1 in WebCore::JSDOMWindowBase::finishCreation(JSC::VM&, WebCore::JSDOMWindowShell*) ()
   from /lib/libQt5WebKit.so.5
#8  0x00007fffdf26e3b1 in WebCore::JSDOMWindow::finishCreation(JSC::VM&, WebCore::JSDOMWindowShell*) ()
   from /lib/libQt5WebKit.so.5
#9  0x00007fffdeb2b148 in ?? () from /lib/libQt5WebKit.so.5
#10 0x00007fffdeb2b37a in ?? () from /lib/libQt5WebKit.so.5
#11 0x00007fffdebba42a in ?? () from /lib/libQt5WebKit.so.5
[...]