GCC build failure, HEAD@182441 on native

[GCC regression tester]

With your recent patch, GCC HEAD revision 182441 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 182437.

Log information for changes since the last build:
------------------------------------------------------------------------
r182441 | jason | 2011-12-17 11:26:46 -0800 (Sat, 17 Dec 2011) | 3 lines
Changed paths:
   M /trunk/gcc/cp/ChangeLog
   M /trunk/gcc/cp/decl.c
   M /trunk/gcc/testsuite/ChangeLog
   A /trunk/gcc/testsuite/g++.dg/parse/enum6.C

	PR c++/51587
	* decl.c (start_enum): Avoid using ENUM_UNDERLYING_TYPE on a
	non-enum.
------------------------------------------------------------------------

For more information, see <http://glutton.geoffk.org/HEAD/>.

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make[2]: *** Waiting for unfinished jobs....
libtool: compile:  /home/regress/tbox/native/build/./prev-gcc/xgcc -B/home/regress/tbox/native/build/./prev-gcc/ -B/home/regress/tbox/objs/i686-pc-linux-gnu/bin/ -B/home/regress/tbox/objs/i686-pc-linux-gnu/bin/ -B/home/regress/tbox/objs/i686-pc-linux-gnu/lib/ -isystem /home/regress/tbox/objs/i686-pc-linux-gnu/include -isystem /home/regress/tbox/objs/i686-pc-linux-gnu/sys-include -DHAVE_CONFIG_H -I. -I/home/regress/tbox/svn-gcc/lto-plugin -I/home/regress/tbox/svn-gcc/lto-plugin/../include -DHAVE_CONFIG_H -Wall -g -O2 -gtoggle -c /home/regress/tbox/svn-gcc/lto-plugin/lto-plugin.c  -fPIC -DPIC -o .libs/lto-plugin.o
/bin/sh ./libtool --tag=CC --tag=disable-static  --mode=link /home/regress/tbox/native/build/./prev-gcc/xgcc -B/home/regress/tbox/native/build/./prev-gcc/ -B/home/regress/tbox/objs/i686-pc-linux-gnu/bin/ -B/home/regress/tbox/objs/i686-pc-linux-gnu/bin/ -B/home/regress/tbox/objs/i686-pc-linux-gnu/lib/ -isystem /home/regress/tbox/objs/i686-pc-linux-gnu/include -isystem /home/regress/tbox/objs/i686-pc-linux-gnu/sys-include    -Wall -g -O2 -gtoggle  -module -bindir /home/regress/tbox/objs/libexec/gcc/i686-pc-linux-gnu/4.7.0  -static-libstdc++ -static-libgcc  -o liblto_plugin.la -rpath /home/regress/tbox/objs/libexec/gcc/i686-pc-linux-gnu/4.7.0 lto-plugin.lo -Wc,../libiberty/pic/libiberty.a 
libtool: link:  /home/regress/tbox/native/build/./prev-gcc/xgcc -B/home/regress/tbox/native/build/./prev-gcc/ -B/home/regress/tbox/objs/i686-pc-linux-gnu/bin/ -B/home/regress/tbox/objs/i686-pc-linux-gnu/bin/ -B/home/regress/tbox/objs/i686-pc-linux-gnu/lib/ -isystem /home/regress/tbox/objs/i686-pc-linux-gnu/include -isystem /home/regress/tbox/objs/i686-pc-linux-gnu/sys-include    -shared  .libs/lto-plugin.o    ../libiberty/pic/libiberty.a   -Wl,-soname -Wl,liblto_plugin.so.0 -o .libs/liblto_plugin.so.0.0.0
libtool: link: (cd ".libs" && rm -f "liblto_plugin.so.0" && ln -s "liblto_plugin.so.0.0.0" "liblto_plugin.so.0")
libtool: link: (cd ".libs" && rm -f "liblto_plugin.so" && ln -s "liblto_plugin.so.0.0.0" "liblto_plugin.so")
libtool: link: ( cd ".libs" && rm -f "liblto_plugin.la" && ln -s "../liblto_plugin.la" "liblto_plugin.la" )
libtool: install: /usr/bin/install -c .libs/liblto_plugin.so.0.0.0 /home/regress/tbox/native/build/lto-plugin/.././gcc/liblto_plugin.so.0.0.0
libtool: install: (cd /home/regress/tbox/native/build/lto-plugin/.././gcc && { ln -s -f liblto_plugin.so.0.0.0 liblto_plugin.so.0 || { rm -f liblto_plugin.so.0 && ln -s liblto_plugin.so.0.0.0 liblto_plugin.so.0; }; })
libtool: install: (cd /home/regress/tbox/native/build/lto-plugin/.././gcc && { ln -s -f liblto_plugin.so.0.0.0 liblto_plugin.so || { rm -f liblto_plugin.so && ln -s liblto_plugin.so.0.0.0 liblto_plugin.so; }; })
libtool: install: /usr/bin/install -c .libs/liblto_plugin.lai /home/regress/tbox/native/build/lto-plugin/.././gcc/liblto_plugin.la
libtool: install: warning: remember to run `libtool --finish /home/regress/tbox/objs/libexec/gcc/i686-pc-linux-gnu/4.7.0'
make[4]: Leaving directory `/home/regress/tbox/native/build/lto-plugin'
make[3]: Leaving directory `/home/regress/tbox/native/build/lto-plugin'
make[2]: Leaving directory `/home/regress/tbox/native/build'
make[1]: *** [stage2-bubble] Error 2
make[1]: Leaving directory `/home/regress/tbox/native/build'
make: *** [bootstrap] Error 2
+ '[' -s .bad_compare ']'
+ exit 1
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-- 
Geoffrey Keating <geoffk@geoffk.org> 
(via an automated GCC regression-testing script.)