[lno] Bootstrap failure on ia64

[Zdenek Dvorak]

Hello,

> your last change to tree-chrec.c broke bootstrap on ia64-linux:
> 
> stage1/xgcc -Bstage1/ -B/usr/local/ia64-suse-linux/bin/   -g -O2 -DIN_GCC   -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -pedantic -Wno-long-long -Wno-variadic-macros -Wold-style-definition -Werror -fno-common   -DHAVE_CONFIG_H -DGENERATOR_FILE  -o genattrtab \
>  genattrtab.o genautomata.o \
>  rtl.o read-rtl.o bitmap.o ggc-none.o min-insn-modes.o gensupport.o insn-conditions.o print-rtl1.o errors.o \
>  varray.o ../libiberty/libiberty.a -lm
> ./genattrtab ../../gcc/config/ia64/ia64.md > tmp-attrtab.c
> genattrtab: unit `' in exclusion is not declared
> make[2]: *** [s-attrtab] Error 139
> make[2]: Leaving directory `/tmp/cvs/gcc-20040624/Build/gcc'
> make[1]: *** [stage2_build] Error 2
> make[1]: Leaving directory `/tmp/cvs/gcc-20040624/Build/gcc'
> make: *** [bootstrap] Error 2

sorry for the breakage, it reproduces everywhere (even on i686).  The
change fixes induction variable analysis (which was broken completely
by one of previous patches) and I was too fast with commiting it.
I will try to get the branch working as soon as possible.

Zdenek