Arch Linux

Using:
Manjarro linux
X11 version 1.6.7-1
xf86-input-wacom version 0.36.1-1

Steps to reproduce:
Put finger in touchscreen over drawing area
put stylus cursor on drawing area and move both simultaneously
crash usually occurs within seconds

doesn't seem to occur when you use the stylus first then the touchscreen
doesn't seem to matter whether touchscreen device is set to 'disabled' or 'screen'
will check if problem occurs in windows
```
GNU Image Manipulation Program version 2.10.8
git-describe: GIMP_2_10_6-294-ga967e8d2c2
C compiler:
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-pc-linux-gnu/8.2.1/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /build/gcc/src/gcc/configure --prefix=/usr --libdir=/usr/lib --libexecdir=/usr/lib --mandir=/usr/share/man --infodir=/usr/share/info --with-bugurl=https://bugs.archlinux.org/ --enable-languages=c,c++,ada,fortran,go,lto,objc,obj-c++ --enable-shared --enable-threads=posix --enable-libmpx --with-system-zlib --with-isl --enable-__cxa_atexit --disable-libunwind-exceptions --enable-clocale=gnu --disable-libstdcxx-pch --disable-libssp --enable-gnu-unique-object --enable-linker-build-id --enable-lto --enable-plugin --enable-install-libiberty --with-linker-hash-style=gnu --enable-gnu-indirect-function --enable-multilib --disable-werror --enable-checking=release --enable-default-pie --enable-default-ssp --enable-cet=auto
Thread model: posix
gcc version 8.2.1 20180831 (GCC)

using GEGL version 0.4.13 (compiled against version 0.4.12)
using GLib version 2.58.2 (compiled against version 2.58.1)
using GdkPixbuf version 2.38.0 (compiled against version 2.38.0)
using GTK+ version 2.24.32 (compiled against version 2.24.32)
using Pango version 1.43.0 (compiled against version 1.42.3)
using Fontconfig version 2.13.1 (compiled against version 2.13.1)
using Cairo version 1.16.0 (compiled against version 1.16.0)

```
> fatal error: Segmentation fault

Stack trace:
```
/usr/lib/libgimpbase-2.0.so.0(gimp_stack_trace_print+0x3b7)[0x7f8acf04eef7]
gimp(+0xc63ff)[0x55b11143f3ff]
gimp(gimp_fatal_error+0x17)[0x55b11143f857]
gimp(+0xc6fc8)[0x55b11143ffc8]
/usr/lib/libpthread.so.0(+0x123bf)[0x7f8acd2553bf]
gimp(+0x15f29c)[0x55b1114d829c]
/usr/lib/libglib-2.0.so.0(+0x6b1c2)[0x7f8acd4541c2]
/usr/lib/libglib-2.0.so.0(g_main_context_dispatch+0x160)[0x7f8acd4548d0]
/usr/lib/libglib-2.0.so.0(+0x6d5e8)[0x7f8acd4565e8]
/usr/lib/libglib-2.0.so.0(g_main_loop_run+0xd1)[0x7f8acd4575c1]
gimp(app_run+0x376)[0x55b11143ebc6]
gimp(main+0x3b0)[0x55b11143e470]
/usr/lib/libc.so.6(__libc_start_main+0xf2)[0x7f8acd0a3222]
gimp(_start+0x2d)[0x55b11143e60d]

```