SOLVED: how to map CLabel to Label for procedure entry point?

[Norman Ramsey]

 > I'm struggling to figure out how to get from a CLabel found in a
 > CmmProc to a Label used to key the blocks in the control-flow graph
 > (CmmGraph) for the CmmProc.  

I figured it out---this is the wrong problem.  I need to take the
`g_entry` BlockId straight out of the CmmGraph.


Norman