https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98340
--- Comment #6 from Nathan Sidwell <nathan at gcc dot gnu.org> --- Now I look carefully, it appears to be trying to compile libiberty.a (the library) as a source file. Of course that'll barf. Configured using "CXX='clang -x c++ -std=c++11' CC=clang" (Of course I didn't look for any instructions :)
