K 10 svn:author V 5 markj K 8 svn:date V 27 2014-11-06T01:30:15.672247Z K 7 svn:log V 221 MFC r273236: Use pmc_destroy_pmc_descriptor() to actually free the pmc, which is consistent with pmc_destroy_owner_descriptor(). Also be sure to destroy PMCs if a process exits or execs without explicitly releasing them. END