GCC build failure, HEAD@190932 on native

[GCC regression tester]

With your recent patch, GCC HEAD revision 190932 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 190930.

Log information for changes since the last build:
------------------------------------------------------------------------
r190932 | ebotcazou | 2012-09-04 06:56:06 -0700 (Tue, 04 Sep 2012) | 2 lines
Changed paths:
   M /trunk/contrib/ChangeLog
   M /trunk/contrib/make_sunver.pl

	* make_sunver.pl: Add missing newline at the end of extern "C++" block.

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

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

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/home/regress/tbox/svn-gcc/gcc/vec.h:860: warning: left-hand operand of comma has no effect
/home/regress/tbox/svn-gcc/gcc/vec.h:860: warning: right-hand operand of comma has no effect
/home/regress/tbox/svn-gcc/gcc/vec.h:860: warning: right-hand operand of comma has no effect
/home/regress/tbox/svn-gcc/gcc/vec.h:860: warning: right-hand operand of comma has no effect
/home/regress/tbox/svn-gcc/gcc/vec.h:860: error: no match for 'operator<' in 'vec_t::reserve [with vec_allocation_t A = A, T = attribute_use] < heap'
make[3]: *** [build/read-rtl.o] Error 1
make[3]: *** Waiting for unfinished jobs....
/bin/sh /home/regress/tbox/svn-gcc/gcc/../move-if-change tmp-gtype.state gtype.state
build/gengtype  \
                    -r gtype.state
echo timestamp > s-gtype
rm cpp.pod gfdl.pod gcov.pod fsf-funding.pod gcc.pod
make[3]: Leaving directory `/home/regress/tbox/native/build/gcc'
make[2]: *** [all-stage1-gcc] 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.)