------------------------------------------------------------------------
-- returns current 'pc' and marks it as a jump target (to avoid wrong
-- optimizations with consecutive instructions not in the same basic block).
-- * used in multiple locations
-- * fs.lasttarget tested only by luaK:_nil() when optimizing OP_LOADNIL
------------------------------------------------------------------------

function luaK:getlabel(fs)
  fs.lasttarget = fs.pc
  return fs.pc
end
