GPU Caps Viewer has stopped working

[gigel]

windows 7 qemu vm.
starts ok with qxl driver, but crashes after installing mesa-dist-win from pal1000 on github

Problem signature:
  Problem Event Name:   APPCRASH
  Application Name:   GPU_Caps_Viewer.exe
  Application Version:   1.56.0.0
  Application Timestamp:   62e17ffc
  Fault Module Name:   ntdll.dll
  Fault Module Version:   6.1.7601.24384
  Fault Module Timestamp:   5c6e21eb
  Exception Code:   c0000005
  Exception Offset:   00031d86
  OS Version:   6.1.7601.2.1.0.256.4
  Locale ID:   1033
  Additional Information 1:   0a9e
  Additional Information 2:   0a9e372d3b4ad19135b953a78882e789
  Additional Information 3:   0a9e
  Additional Information 4:   0a9e372d3b4ad19135b953a78882e789

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[gigel]

qemu command line:

.\qemu-system-x86_64w.exe -name windows7 -machine q35,vmport=off,dump-guest-core=off -accel hax -boot order=cd,menu=off -m 2048 -k en-us -spice addr=127.0.0.1,port=5900,disable-ticketing=on -chardev spicevmc,id=vdagent,debug=0,name=vdagent -device virtio-serial -device virtserialport,chardev=vdagent,name=com.redhat.spice.0 -vga qxl -display gtk -cpu Haswell,vme=on,x2apic=on,hypervisor=on,hv_time,hv_relaxed,hv_vapic,hv_spinlocks=0x1fff,hv_synic,hv_stimer -smp 4,cores=4,threads=1,sockets=1,maxcpus=4 -net nic,model=virtio -net user,hostfwd=tcp::33389-:3389 -drive id=disk1,file=c:\vm\windows7.qcow2,format=qcow2,if=none,cache=writeback,discard=unmap,detect-zeroes=unmap,aio=native -drive id=disk2,file=C:\vm\data.qcow2,format=qcow2,if=none,cache=writeback,discard=unmap,detect-zeroes=unmap,aio=native -device ahci,id=ahci -device ide-hd,drive=disk1,bus=ahci.0,id=disk1 -device ide-hd,drive=disk2,bus=ahci.1,id=disk2 -cdrom "C:\vm\systemrescuecd.iso" -usb -device usb-mouse -device usb-kbd -device usb-tablet -global kvm-pit.lost_tick_policy=discard -no-hpet -global ICH9-LPC.disable_s3=1 -global ICH9-LPC.disable_s4=0 -rtc base=localtime -set device.disk1.rotation_rate=1 -set device.disk2.rotation_rate=1