GCC build failure, HEAD@174305 on native

[regress]

With your recent patch, GCC HEAD revision 174305 had problems on:
native: build (about the same as the previous build)
Attached is build output for those targets.
The previous build was of revision 174303.

Log information for changes since the last build:
------------------------------------------------------------------------
r174305 | rsandifo | 2011-05-26 12:16:05 -0700 (Thu, 26 May 2011) | 13 lines
Changed paths:
   M /trunk/gcc/ChangeLog
   M /trunk/gcc/genrecog.c

gcc/
	PR rtl-optimization/48575
	* genrecog.c (position_type): New enum.
	(position): New structure.
	(decision): Use position structure instead of a string.
	(root_pos, peep2_insn_pos_list): New variables.
	(next_position, compare_positions): New functions.
	(new_decision): Use position structures instead of strings.
	(maybe_both_true): Likewise.
	(change_state): Likewise.
	(write_tree): Likewise.
	(make_insn_sequence): Likewise.

------------------------------------------------------------------------

For more information, see <http://gcc.gnu.org/regtest/HEAD/>.

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# early copy is necessary so that the gcc -B options find
# the right startup files when linking shared libgcc.
/bin/sh /Users/regress/tbox/svn-gcc/libgcc/../mkinstalldirs ../../.././gcc/ppc64
parts="crt2.o crt3.o";				\
	for file in $parts; do					\
	  rm -f ../../.././gcc/ppc64/$file;		\
	  /usr/bin/install -c -m 644 $file ../../.././gcc/ppc64/;	\
	  case $file in 					\
	    *.a)						\
	      ranlib -c ../../.././gcc/ppc64/$file ;;	\
	  esac;							\
	done
make[4]: *** [multi-do] Error 1
make[3]: *** [all-multi] Error 2
make[3]: *** Waiting for unfinished jobs....
make[2]: *** [all-stage1-target-libgcc] Error 2
make[1]: *** [stage1-bubble] Error 2
make: *** [bootstrap] Error 2
+ '[' -s .bad_compare ']'
+ exit 1
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-- 
Geoffrey Keating <geoffk@apple.com> 
(via an automated GCC regression-testing script.)