71208a87f4
Parser: -> (T1,T2) 解析为隐式 struct __ret_funcname, return (e1,e2) 去糖为 struct init 返回的 struct 可访问字段 _0, _1, ... 无 sema/codegen 改动 Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>