field data verification conflicts with matchedSharing::formCountMap

[seegyoung]

MatchedSharing::formCountMap has a round of communications (PCU_Comm_Begin() and PCU_Comm_Send()). If this routine is called inside a round of communication (PCU_Comm_Begin() and PCU_Comm_Send()), the code crashes. For instance, field data verification (pumi_field_verify). See Ken's Multiphase test case.

[ibaned]

.... its pretty clear what the solution is. just create the sharing before you call PCU_Comm_Begin, just pass it as an argument to sendFieldData.