compileing groff 0.4 under sysV/386

[Brian Beattie]

I am trying to compile groff 0.4 under ESIX System V/386.  I have
built g++ 1.37.2 to use the att "as" and COFF.  The following is
the output of make.  Anybody got any ideas?
---------------------------
Making all in lib
Making all in troff
	g++ -DSTORE_WIDTH -g -O    -I/usr/spool/g++-include -I../lib  -c \
	-DMACROPATH=\".:/usr/local/lib/groff/tmac:/usr/lib/tmac\" \
	-DDEVICE=\"ps\" \
	-DHYPHENFILE=\"/usr/local/lib/groff/hyphen\" \
	input.c
Failed assertion `TREE_CHAIN (list) == NULL_TREE' at line 777 of `cplus-tree.c'.
g++: Program cc1plus got fatal signal 6.
*** Error code 1

Stop.
*** Error code 1

Stop.
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