toolchain/52625: CTF breaks the ability to use newer compilers

[coypu%sdf.org@localhost]

>Number:         52625
>Category:       toolchain
>Synopsis:       CTF breaks the ability to use newer compilers
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    toolchain-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Mon Oct 16 19:10:00 +0000 2017
>Originator:     coypu
>Release:        NetBSD 8.99.3
>Organization:
>Environment:
NetBSD localhost 8.99.3 NetBSD 8.99.3 (GENERIC) #11: Mon Oct  9 20:44:05 IDT 2017  fly@localhost:/home/fly/obj/sys/arch/amd64/compile/GENERIC amd64

>Description:
Build with any newer compiler:
ERROR: aac_pci.c: die 17696: failed to get ref: No entry found [dwarf_attrval_unsigned(194)]
>How-To-Repeat:

>Fix:
pass -gdwarf-2 to anything that gets CTF crap