syntax_data: {"ast_node_type":"other","tokens":[{"end":84,"kind":"keyword","start":0,"text":"this.cfg.push_assign(block,"}]}
source_snippet:                 this.cfg.push_assign(block, source_info, Place::from(result), box_);
context_before:                 let box_ = Rvalue::ShallowInitBox(Operand::Move(storage), value_ty);