'Lower non-generator *fndesc*.'

def lower_normal_function(self, fndesc):

    self.setup_function(fndesc)
    self.extract_function_arguments()
    entry_block_tail = self.lower_function_body()
    self.builder.position_at_end(entry_block_tail)
    self.builder.branch(self.blkmap[self.firstblk])
