4 new GCC HEAD@174378 regressions

[regress]

With your recent patch, GCC HEAD revision 174378 had problems on:
native: regress-20 (previously the build failed)
The previous build was of revision 174376.

Regressions for native:
old   g++.sum g++.dg/eh/simd-3.C
old   g++.sum g++.dg/eh/simd-4.C
NEW   g++.sum g++.old-deja/g++.abi/vtable2.C
old   gcc.sum gcc.c-torture/execute/20040811-1.c
old   gcc.sum gcc.c-torture/execute/pr22061-4.c
old   gcc.sum gcc.dg/20020103-1.c
NEW   gcc.sum gcc.dg/attr-weakref-1-darwin.c
NEW   gcc.sum gcc.dg/attr-weakref-2.c
NEW   gcc.sum gcc.dg/darwin-weakref-1.c
old   gcc.sum gcc.dg/sms-2.c
old   gcc.sum gcc.dg/sms-4.c
old   gcc.sum gcc.dg/sms-5.c
old   gcc.sum gcc.dg/sms-6.c
old   gcc.sum gcc.dg/sms-7.c
old   gcc.sum gcc.target/powerpc/405-dlmzb-strlen-1.c
old   gcc.sum gcc.target/powerpc/440-dlmzb-strlen-1.c
old   gcc.sum gcc.target/powerpc/ppc-vector-memcpy.c
old   libjava.sum Thread_Sleep_2
old   libstdc++.sum ext/mt_allocator/deallocate_global_thread-1.cc
old   libstdc++.sum ext/mt_allocator/deallocate_global_thread-3.cc

Log information for changes since the last build:
------------------------------------------------------------------------
r174378 | rsandifo | 2011-05-28 00:38:07 -0700 (Sat, 28 May 2011) | 5 lines
Changed paths:
   M /trunk/gcc/ChangeLog
   M /trunk/gcc/genrecog.c

gcc/
	PR bootstrap/49195
	* genrecog.c (add_to_sequence): Use XEXP rather than XVECEXP
	for match_op_dup.

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

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

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-- 
Geoffrey Keating <geoffk@apple.com> 
(via an automated GCC regression-testing script.)