don't invoke destructors for .global. variables

compiler/semstmts.nim

@@ -1078,7 +1078,8 @@ proc insertDestructors(c: PContext, varSection: PNode):
       varTyp = varId.sym.typ
       info = varId.info
 
-    if varTyp != nil and instantiateDestructor(c, varTyp):
+    if varTyp != nil and instantiateDestructor(c, varTyp) and 
+        sfGlobal notin varId.sym.flags:
       var tryStmt = newNodeI(nkTryStmt, info)
 
       if j < totalVars - 1:

todo.txt

@@ -1,11 +1,12 @@
 version 0.9.2
 =============
 
+- fix closure bug finally
 - test&finish first class iterators:
   * nested iterators
   * document them
-- fix closure bug finally
 - fix marshal bug
+- investigate nimgame bug
 
 
 version 0.9.X