Implement (without enabling, yet) assertions to warn about static constructors. b=62006 Partly fix warnings about MOZ_DECL_CTOR_COUNTER on Mac builds by removing extra semicolon. b=60145 Start to fix the longstanding leaks of nsTraceRefcnt's own hashtables. r=waterson@netscape.com sr=brendan@mozilla.org git-svn-id: svn://10.0.0.236/trunk@84044 18797224-902f-48f8-a5cc-f745e15eee43