make buildworld fails on 6.2-STABLE

[J.D. Bronson]

so I deleted /usr/src
redownloaded from a different mirror and tried
make buildworld again...

It still failed -but this time at a different point:


mkdep -f .depend -a    -DIN_GCC -DHAVE_CONFIG_H -DPREFIX=\"/usr\" 
-I/usr/obj/usr/src/gnu/usr.bin/cc/cc/../cc_tools 
-I/usr/src/gnu/usr.bin/cc/cc/../cc_tools 
-I/usr/src/gnu/usr.bin/cc/cc/../../../../contrib/gcc 
-I/usr/src/gnu/usr.bin/cc/cc/../../../../contrib/gcc/config 
-DDEFAULT_TARGET_VERSION=\"3.4.6\" -DDEFAULT_TARGET_MACHINE=\"\" 
/usr/src/gnu/usr.bin/cc/cc/../../../../contrib/gcc/gcc.c 
/usr/src/gnu/usr.bin/cc/cc/../../../../contrib/gcc/gccspec.c
echo cc: /usr/obj/usr/src/tmp/usr/lib/libc.a 
/usr/obj/usr/src/gnu/usr.bin/cc/cc/../cc_int/libcc_int.a >> .depend
===> gnu/usr.bin/cc/cc1 (depend)
sed -e "/^@@ifobjc.*/,/^@@end_ifobjc.*/d"  -e "/^@@ifc.*/d" -e 
"/^@@end_ifc.*/d" 
/usr/src/gnu/usr.bin/cc/cc1/../../../../contrib/gcc/c-parse.in > c-parse.y
yacc -d c-parse.y
yacc: e - line 1811 of "c-parse.y", syntax error
                 { if ($1 == error_}ark_node)
                                            ^
*** Error code 1

Stop in /usr/src/gnu/usr.bin/cc/cc1.
*** Error code 1