OSR 5.0.6 bootstrap fails

[Jean-Pierre Radley]

Something changed since January 12th that now causes a bootstrap on
OpenServer 5.0.6 to fail:

/bin/cc  -DIN_GCC    -g    -DHAVE_CONFIG_H  -o cc1 \
	c-parse.o c-lang.o c-errorso c-lex.o c-pragma.o c-decl.o c-typeck.o c-c onvert.o c-aux-info.o c-common.o c-format.o c-semantics.o c-dump.o libcpp.a  toplev.o libbackend.a obstack.o alloca.o  ./intl/libintl.a ../libiberty/libiber ty.a
undefined                       first referenced
 symbol                             in file
UNIQUE_SECTION                      libbackend.a


-- 
JP