toolchain/50619: sh or make broken: can not build on -current any more

[martin%NetBSD.org@localhost]

>Number:         50619
>Category:       toolchain
>Synopsis:       sh or make broken: can not build on -current any more
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    toolchain-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Mon Jan 04 09:40:02 +0000 2016
>Originator:     Martin Husemann
>Release:        NetBSD 7.99.25
>Organization:
The NetBSD Foundation, Inc.
>Environment:
System: NetBSD thirdstage.duskware.de 7.99.25 NetBSD 7.99.25 (MODULAR) #437: Tue Dec 29 14:05:18 CET 2015 martin%thirdstage.duskware.de@localhost:/usr/src/sys/arch/sparc64/compile/MODULAR sparc64
Architecture: sparc64
Machine: sparc64
>Description:

After updating a build machine to -current, further build.sh invocations
fail:

install ===> tools/config
params ===> .
--- params ---
#    create  params
sh: 3: Bad file descriptor
*** Failed target:  _params
*** Failed command: printf "%20s = '%-s'\n" BSDOBJDIR /usr/obj >&3
*** [params] Error code 1
nbmake[1]: stopped in /usr/src
1 error


>How-To-Repeat:
s/a

>Fix:
n/a