kern/55128: fpu diagnostic assertion in t_ptrace_waitid

[christos%astron.com@localhost]

>Number:         55128
>Category:       kern
>Synopsis:       fpu diagnostic assertion in t_ptrace_waitid
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Tue Mar 31 19:05:00 +0000 2020
>Originator:     Christos Zoulas
>Release:        NetBSD 9.99.52
>Organization:
	Bug Farmers, Inc.
>Environment:
System: NetBSD vmb1.astron.com 9.99.52 NetBSD 9.99.52 (GENERIC) #0: Sat Mar 28 18:37:18 UTC 2020 mkrepro%mkrepro.NetBSD.org@localhost:/usr/src/sys/arch/amd64/compile/GENERIC amd64
Architecture: x86_64
Machine: amd64
>Description:
	Kernel crashes when running tests. See
	http://www.zoulas.com/~christos/NetBSD/t_ptrace_waitid_xmm.png
>How-To-Repeat:
	run tests
>Fix:
	please