(find_basic_blocks): When starting new basic block for a CALL_INSN in the presence of nonlocal labels...

(find_basic_blocks): When starting new basic block for a CALL_INSN in
the presence of nonlocal labels, don't get confused with following
CLOBBER.
(flow_analysis): Use same logic as find_basic_block to see when the
insn after a CALL_INSN starts a new basic block.

From-SVN: r6097