amd64 build failure: y.tab.c:3501: error: uninitialized const 'yyvalzero'

[Thomas Klausner <wiz%NetBSD.org@localhost>]

Hi!

Building current from a few hours ago fails with:

mkdir src/preproc/pic
if test -n "pic_tab.h"; then  /archive/build/tools/bin/nbyacc -v -d 
/disk/wd2a/archive/cvs/src/gnu/dist/groff/src/preproc/pic/pic.y;  else  
/archive/build/tools/bin/nbyacc -v 
/archive/cvs/src/gnu/dist/groff/src/preproc/pic/pic.y; fi
test -f y.tab.h && mv y.tab.h y_tab.h
test -f y.tab.c && mv y.tab.c y_tab.c
mv y_tab.c pic.cpp
test -z "pic_tab.h" || mv y_tab.h pic_tab.h
c++ -I. -I/archive/cvs/src/gnu/dist/groff/src/preproc/pic  
-I/usr/obj/src.amd64/tools/groff/build/src/include 
-I/archive/cvs/src/tools/groff/../../gnu/dist/groff/src/include -DHAVE_CONFIG_H 
-O -I/usr/obj/src.amd64/tools/compat -I/usr/obj/src.amd64/tools/compat/include  
-I/archive/cvs/src/tools/groff/../compat -DHAVE_NBTOOL_CONFIG_H=1  
-D_FILE_OFFSET_BITS=64 -c  pic.cpp
y.tab.c:3501: error: uninitialized const 'yyvalzero'

*** Failed target:  pic.o
*** Failed command: c++ -I. -I/archive/cvs/src/gnu/dist/groff/src/preproc/pic 
-I/usr/obj/src.amd64/tools/groff/build/src/include 
-I/archive/cvs/src/tools/groff/../../gnu/dist/groff/src/include -DHAVE_CONFIG_H 
-O -I/usr/obj/src.amd64/tools/compat -I/usr/obj/src.amd64/tools/compat/include 
-I/archive/cvs/src/tools/groff/../compat -DHAVE_NBTOOL_CONFIG_H=1 
-D_FILE_OFFSET_BITS=64 -c pic.cpp
*** Error code 1

Stop.

Cheers,
 Thomas