GCC build failure, HEAD@177242 on native

[GCC regression tester]

With your recent patch, GCC HEAD revision 177242 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 177241.

Log information for changes since the last build:
------------------------------------------------------------------------
r177242 | charlet | 2011-08-03 01:32:57 -0700 (Wed, 03 Aug 2011) | 33 lines
Changed paths:
   M /trunk/gcc/ada/ChangeLog
   M /trunk/gcc/ada/exp_aggr.adb
   M /trunk/gcc/ada/exp_attr.adb
   M /trunk/gcc/ada/g-pehage.adb
   M /trunk/gcc/ada/s-tasinf-vxworks.ads
   M /trunk/gcc/ada/sem_ch8.adb
   M /trunk/gcc/ada/tracebak.c

2011-08-03  Olivier Hainque  <hainque@adacore.com>

	* tracebak.c (STOP_FRAME ppc AIX): Stop at null return address as well.

2011-08-03  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch8.adb (Analyze_Object_Renaming): if the renamed object is an
	explicit dereference of an unconstrained type, create a constrained
	subtype for it, as is done for function calls that return an
	unconstrained type.

2011-08-03  Thomas Quinot  <quinot@adacore.com>

	* g-pehage.adb (Finalize): Avoid possible double-free.

2011-08-03  Steve Baird  <baird@adacore.com>

	* exp_attr.adb (Expand_N_Attribute_Reference): Don't expand
	Elab_Spec/Body attrs in CodePeer_Mode.

2011-08-03  Javier Miranda  <miranda@adacore.com>

	* exp_aggr.adb (Flatten): Convert to positional form aggregates whose
	low bound is not known at compile time but they have no others choice.
	Done because in this case the bounds can be obtained directly from the
	aggregate.

2011-08-03  Ed Falis  <falis@adacore.com>

	* s-tasinf-vxworks.ads: Update comment to reflect 0 indexing of CPUs
	on VxWorks SMP. Remove unusable constant ANY_CPU.


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

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

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	    -e 's/\([ABCDEFGHIJKLMNOPQRSTUVWXYZ_]*USE_WEAK\)/_GLIBCXX_\1/g' \
	    < /home/regress/tbox/svn-gcc/libstdc++-v3/../gcc/gthr-posix.h > i686-pc-linux-gnu/bits/gthr-posix.h
sed -e 's/\(UNUSED\)/_GLIBCXX_\1/g' \
	    -e 's/\(GCC[ABCDEFGHIJKLMNOPQRSTUVWXYZ_]*_H\)/_GLIBCXX_\1/g' \
	    -e 's/SUPPORTS_WEAK/__GXX_WEAK__/g' \
	    -e 's/\([ABCDEFGHIJKLMNOPQRSTUVWXYZ_]*USE_WEAK\)/_GLIBCXX_\1/g' \
	    < /home/regress/tbox/svn-gcc/libstdc++-v3/../gcc/gthr-tpf.h > i686-pc-linux-gnu/bits/gthr-tpf.h
sed -e 's/\(UNUSED\)/_GLIBCXX_\1/g' \
	    -e 's/\(GCC[ABCDEFGHIJKLMNOPQRSTUVWXYZ_]*_H\)/_GLIBCXX_\1/g' \
	    -e 's/SUPPORTS_WEAK/__GXX_WEAK__/g' \
	    -e 's/\([ABCDEFGHIJKLMNOPQRSTUVWXYZ_]*USE_WEAK\)/_GLIBCXX_\1/g' \
	    -e 's,^#include "\(.*\)",#include <bits/\1>,g' \
	    < /home/regress/tbox/svn-gcc/libstdc++-v3/../gcc/gthr-posix.h > i686-pc-linux-gnu/bits/gthr-default.h
make[3]: Leaving directory `/home/regress/tbox/native/build/i686-pc-linux-gnu/libstdc++-v3/include'
make[2]: Leaving directory `/home/regress/tbox/native/build'
make[1]: *** [stage1-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.)