emerge-arm-generic libcxxrt

__NTH (memset (void *const __clang_pass_object_size0 __dest, int __ch,
       ^
libelftc_dem_gnu3.c:3632:3: warning: 'memcpy' is deprecated: called with bigger length than the destination buffer [-Wdeprecated-declarations]
                memcpy(&f, buf, FLOAT_EXTENED_BYTES);
                ^
../../../../../../../usr/include/bits/string3.h:64:8: note: 'memcpy' has been explicitly marked deprecated here
__NTH (memcpy (void *__restrict const __clang_pass_object_size0 __dest,
       ^
5 warnings generated.
armv7a-cros-linux-gnueabi-clang++ -fPIC -nodefaultlibs -O2 -O2 -O2 -pipe -march=armv7-a -mtune=cortex-a15 -mfpu=neon -mfloat-abi=hard -g       -clang-syntax -Wl,-O1 -Wl,-O2 -Wl,--as-needed -Wl,-z,defs -shared -Wl,-soname,libcxxrt.so.1 -o libcxxrt.so.1 dynamic_cast.So exception.So guard.So stdexcept.So typeinfo.So memory.So auxhelper.So libelftc_dem_gnu3.So -ldl -lgcc_s -lc
/usr/x86_64-pc-linux-gnu/armv7a-cros-linux-gnueabi/binutils-bin/2.25.51/ld.gold.real: internal error in thumb_branch_common, at /var/tmp/portage/cross-armv7a-cros-linux-gnueabi/binutils-2.25.51-r63/work/binutils-2.25.51/binutils-2.25/gold/arm.cc:4161
clang-4.0: error: linker command failed with exit code 1 (use -v to see invocation)
make: *** [Makefile:20: libcxxrt.so.1] Error 1