GCC build failure, HEAD@193944 on native

[GCC regression tester]

With your recent patch, GCC HEAD revision 193944 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 193943.

Log information for changes since the last build:
------------------------------------------------------------------------
r193944 | amylaar | 2012-11-29 10:05:53 -0800 (Thu, 29 Nov 2012) | 2 lines
Changed paths:
   M /trunk/gcc/config/epiphany/epiphany-protos.h
   M /trunk/gcc/config/epiphany/epiphany-sched.md
   M /trunk/gcc/config/epiphany/epiphany.h
   M /trunk/gcc/config/epiphany/epiphany.opt
   M /trunk/gcc/config/epiphany/mode-switch-use.c
   M /trunk/gcc/config/epiphany/predicates.md
   M /trunk/gcc/config/epiphany/resolve-sw-modes.c
   M /trunk/gcc/config/epiphany/t-epiphany

Update Copyright years in gcc/config/epiphany .

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

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

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libtool: compile: unrecognized option `-D_GNU_SOURCE'
libtool: compile: Try `libtool --help' for more information.
make[4]: *** [interception_linux.lo] Error 1
make[4]: *** Waiting for unfinished jobs....
libtool: compile: unrecognized option `-D_GNU_SOURCE'
libtool: compile: Try `libtool --help' for more information.
make[4]: *** [interception_win.lo] Error 1
libtool: compile: unrecognized option `-D_GNU_SOURCE'
libtool: compile: Try `libtool --help' for more information.
make[4]: *** [interception_mac.lo] Error 1
make[4]: Leaving directory `/home/regress/tbox/native/build/i686-pc-linux-gnu/libsanitizer/interception'
make[3]: *** [all-recursive] Error 1
make[3]: Leaving directory `/home/regress/tbox/native/build/i686-pc-linux-gnu/libsanitizer'
make[2]: *** [all-stage1-target-libsanitizer] 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.)