GCC build failure, HEAD@163831 on native

[GCC regression tester]

With your recent patch, GCC HEAD revision 163831 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 163827.

Log information for changes since the last build:
------------------------------------------------------------------------
r163831 | dnovillo | 2010-09-03 08:58:51 -0700 (Fri, 03 Sep 2010) | 7 lines
Changed paths:
   M /trunk/gcc/ChangeLog
   M /trunk/gcc/dwarf2out.c

2010-09-03  Marcin Baczynski  <marbacz@gmail.com>

	* dwarf2out.c (file scope): Remove #if0'd code.
	(gen_subprogram_die): Same.



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

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

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/home/regress/tbox/svn-gcc/libgcc/../gcc/unwind-dw2-fde-glibc.c: In function '_Unwind_IteratePhdrCallback':
/home/regress/tbox/svn-gcc/libgcc/../gcc/unwind-dw2-fde-glibc.c:134:1: error: Invalid first operand of MEM_REF.
D.10501_117
/home/regress/tbox/svn-gcc/libgcc/../gcc/unwind-dw2-fde-glibc.c:134:1: note: in statement
D.11538_238 = &MEM[(struct Elf32_Dyn *)D.10501_117 + 8B];

/home/regress/tbox/svn-gcc/libgcc/../gcc/unwind-dw2-fde-glibc.c:134:1: internal compiler error: verify_stmts failed
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
make[3]: *** [unwind-dw2-fde-glibc.o] Error 1
make[3]: *** Waiting for unfinished jobs....
make[3]: Leaving directory `/home/regress/tbox/native/build/i686-pc-linux-gnu/libgcc'
make[2]: *** [all-stage1-target-libgcc] Error 2
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.)