Mark __JCR_LIST__, __DTOR_END__, __JCR_END__, __FRAME_END__ as used to avoid segfaults when building with clang.
Mark __JCR_LIST__, __DTOR_END__, __JCR_END__, __FRAME_END__ as used to
avoid segfaults when building with clang.

Permission to backport given by Jan hubicka <jh at suse.cz>.

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase