53a94480b8
Compiler-rt and LLVM's libunwind provide a suitable replacement for libgcc.a, libgcc_eh.a, and libgcc_s.so. Remove the now-unused LLVM_LIBUNWIND block from gnu/lib/libgcc. PR: 213480 [exp-run] Reviewed by: brooks, ed Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D8189