gcc-4.7~svn174320 fails to bootstrap

[Michael Hope]

Hi Richard, Ramana.  FYI, trunk currently fails to bootstrap on ARM:

../../../gcc-4.7~/libcpp/expr.c: In function 'cpp_num_sign_extend':
../../../gcc-4.7~/libcpp/expr.c:1321:1: error: could not split insn
(insn:TI 53 49 92 6 (set (reg:DI 10 sl [orig:151 num$high ] [151])
        (ior:DI (not:DI (reg:DI 2 r2 [171]))
            (reg:DI 10 sl [orig:151 num$high ] [151])))
../../../gcc-4.7~/libcpp/expr.c:1310 869 {orndi3_neon}
     (nil))
../../../gcc-4.7~/libcpp/expr.c:1321:1: internal compiler error: in
final_scan_insn, at final.c:2723

See:
 
http://builds.linaro.org/toolchain/gcc-4.7~svn174320/logs/armv7l-maverick-cbuild120-ursa4-cortexa9r1/gcc-build.txt

-- Michael

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