GCC build failure, HEAD@174891 on native

[regress]

With your recent patch, GCC HEAD revision 174891 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 174888.

Log information for changes since the last build:
------------------------------------------------------------------------
r174889 | jason | 2011-06-09 22:18:36 -0700 (Thu, 09 Jun 2011) | 10 lines
Changed paths:
   M /trunk/gcc/cp/ChangeLog
   M /trunk/gcc/cp/call.c
   M /trunk/gcc/cp/cp-tree.h
   M /trunk/gcc/cp/decl2.c
   M /trunk/gcc/cp/parser.c
   M /trunk/gcc/cp/pt.c
   M /trunk/gcc/cp/typeck.c
   M /trunk/gcc/cp/typeck2.c
   M /trunk/gcc/testsuite/ChangeLog
   A /trunk/gcc/testsuite/g++.dg/template/arrow1.C

	PR c++/49118
	* typeck2.c (build_x_arrow): Push fake template context
	to produce diagnostic on acyclic endless operator-> drill-down.
	* call.c (build_new_op): Change Boolean overload status
	value to a pointer to the overload function.
	* cp-tree.h: Likewise.
	* typeck.c: Likewise.
	* parser.c: Likewise.
	* decl2.c: Likewise.
	* pt.c: Likewise.
------------------------------------------------------------------------
r174891 | irar | 2011-06-10 00:19:28 -0700 (Fri, 10 Jun 2011) | 6 lines
Changed paths:
   M /trunk/gcc/ChangeLog
   M /trunk/gcc/testsuite/ChangeLog
   A /trunk/gcc/testsuite/gcc.dg/vect/pr49318.c
   M /trunk/gcc/tree-vect-loop.c


        PR tree-optimization/49318
        * tree-vect-loop.c (vect_determine_vectorization_factor):
        Remove irrelevant pattern statements.


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

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

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ranlib: file: .libs/libgfortran.a(_cos_r10.o) has no symbols
ranlib: file: .libs/libgfortran.a(_cos_c10.o) has no symbols
ranlib: file: .libs/libgfortran.a(_tan_r10.o) has no symbols
ranlib: file: .libs/libgfortran.a(_sinh_r10.o) has no symbols
ranlib: file: .libs/libgfortran.a(_cosh_r10.o) has no symbols
ranlib: file: .libs/libgfortran.a(_tanh_r10.o) has no symbols
ranlib: file: .libs/libgfortran.a(_conjg_c10.o) has no symbols
ranlib: file: .libs/libgfortran.a(_aint_r10.o) has no symbols
ranlib: file: .libs/libgfortran.a(_anint_r10.o) has no symbols
ranlib: file: .libs/libgfortran.a(_sign_i16.o) has no symbols
ranlib: file: .libs/libgfortran.a(_sign_r10.o) has no symbols
ranlib: file: .libs/libgfortran.a(_dim_i16.o) has no symbols
ranlib: file: .libs/libgfortran.a(_dim_r10.o) has no symbols
ranlib: file: .libs/libgfortran.a(_atan2_r10.o) has no symbols
ranlib: file: .libs/libgfortran.a(_mod_i16.o) has no symbols
ranlib: file: .libs/libgfortran.a(_mod_r10.o) has no symbols
libtool: link: ( cd ".libs" && rm -f "libgfortran.la" && ln -s "../libgfortran.la" "libgfortran.la" )
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.)