Gentoo's Bugzilla –
Attachment 555474 Details for
Bug 667854/usr/bin/armv7a-unknown-linux-gnueabihf-strip fails to find various link sections while striping statically linked files during src_install (affected packages: libcxx-7.0.1, libcxxabi-7.0.1, compiler-rt-7.0.1, compiler-rt-plugins-7.0.1)