introduced 'benign' pragma

compiler/condsyms.nim

@@ -41,7 +41,7 @@ proc countDefinedSymbols*(): int =
   for key, val in pairs(gSymbols):
     if val == "true": inc(result)
 
-# For ease of bootstrapping, we keep there here and not in the global config
+# For ease of bootstrapping, we keep them here and not in the global config
 # file for now:
 const
   additionalSymbols = """
@@ -88,6 +88,7 @@ proc initDefines*() =
   defineSymbol("nimrequiresnimframe")
   defineSymbol("nimparsebiggestfloatmagic")
   defineSymbol("nimalias")
+  defineSymbol("nimlocks")
   
   # add platform specific symbols:
   for c in low(CPU)..high(CPU):

compiler/sempass2.nim

@@ -458,6 +458,8 @@ proc assumeTheWorst(tracked: PEffects; n: PNode; op: PType) =
   addTag(tracked, createTag(n))
   let lockLevel = if op.lockLevel == UnspecifiedLockLevel: UnknownLockLevel
                   else: op.lockLevel
+  #if lockLevel == UnknownLockLevel:
+  #  message(n.info, warnUser, "had to assume the worst here")
   mergeLockLevels(tracked, n, lockLevel)
 
 proc trackOperand(tracked: PEffects, n: PNode, paramType: PType) =