port-amd64/50989: Some programs in base dump dores with SIGILL

[ryoon%NetBSD.org@localhost]

>Number:         50989
>Category:       port-amd64
>Synopsis:       Some programs in base dump dores with SIGILL
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    port-amd64-maintainer
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Mon Mar 21 07:55:00 +0000 2016
>Originator:     Ryo ONODERA
>Release:        NetBSD 7.99.26
>Organization:
	
>Environment:
	
	
System: NetBSD brownie 7.99.26 NetBSD 7.99.26 (DTRACE7) #0: Mon Mar 21 15:14:54 JST 2016 ryo_on@brownie:/usr/world/7.99/amd64/obj/sys/arch/amd64/compile/DTRACE7 amd64
Architecture: x86_64
Machine: amd64
>Description:
https://mail-index.netbsd.org/source-changes/2016/03/20/msg073540.html
https://mail-index.netbsd.org/source-changes/2016/03/20/msg073539.html
https://mail-index.netbsd.org/source-changes/2016/03/20/msg073538.html
https://mail-index.netbsd.org/source-changes/2016/03/20/msg073537.html
https://mail-index.netbsd.org/source-changes/2016/03/20/msg073536.html

After these commits, ssh, sshd, syslogd, ssh-agent, and some other programs
dump core with SIGILL illegal instruction.

My GCCl is 4.8.5.

My CPU of laptop is
Intel(R) Core(TM) i7-5500U CPU @ 2.40GHz, id 0x306d4

And I have no settings in my /etc/mk.conf for NetBSD base.
	
>How-To-Repeat:
	
Try latest NetBSD/amd64 current
>Fix:
	
I have no idea.

>Unformatted: