odb by gcc4.9

libtool: compile:  /usr/local/bin/g++-4.9 -DHAVE_CONFIG_H -I.. -I.. -I/usr/local/Cellar/gcc/4.9.1/lib/gcc/x86_64-apple-darwin14.0.0/4.9.1/plugin/include -g -O2 -MT validator.lo -MD -MP -MF .deps/validator.Tpo -c validator.cxx  -fno-common -DPIC -o .libs/validator.o
validator.cxx:1575:1: internal compiler error: in possible_polymorphic_call_targets, at ipa-devirt.c:1556
 }
 ^

validator.cxx:1575:1: internal compiler error: Abort trap: 6
g++-4.9: internal compiler error: Abort trap: 6 (program cc1plus)
../libtool: line 1122: 10087 Abort trap: 6           /usr/local/bin/g++-4.9 -DHAVE_CONFIG_H -I.. -I.. -I/usr/local/Cellar/gcc/4.9.1/lib/gcc/x86_64-apple-darwin14.0.0/4.9.1/plugin/include -g -O2 -MT validator.lo -MD -MP -MF .deps/validator.Tpo -c validator.cxx -fno-common -DPIC -o .libs/validator.o
make[2]: *** [validator.lo] Error 1
make[1]: *** [all] Error 2
make: *** [all-recursive] Error 1