global.c (build_insn_chain): Verify no real insns exist past the end of the last...

global.c (build_insn_chain): Verify no real insns exist past the end of the last basic block, then exit the loop.

        * global.c (build_insn_chain): Verify no real insns exist past the
        end of the last basic block, then exit the loop.

From-SVN: r22961