ci(validate): c++fly admission WARN (v1 policy) + mcpp pin -> 0.0.91#71
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…0.0.91 - lint check 5: descriptors declaring C++ standard "c++fly" (either the mcpp-segment key 'language' or embedded mcpp.toml 'standard') get a ::warning annotation — never a failure. c++fly is toolchain-dependent by design (latest level + all experimental gates), so published packages built with it are not reproducible for consumers; observe usage first. - MCPP_VERSION 0.0.87 -> 0.0.91: required for policy coherence — the grammar-parse step's older pinned mcpp hard-rejects 'c++fly' as an unknown standard (verified: 0.0.90 rc=1, 0.0.91 rc=0), which would contradict warn-not-reject.
…oded 0.0.87 404'd the pin bump)
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mcpp 0.0.91 引入
standard = "c++fly"(工具链最新档 + 全部实验特性门,设计 §11-Q2)。收录侧 v1 政策定为 warn 不拒,本 PR 落地:language =或 heredoc 内嵌 mcpp.toml 的standard =两种拼写)→::warning注解,永不置 fail。理由:c++fly 语义按设计随工具链漂移,发布包用它对消费者不可复现;先观察生态用法再决定是否收紧。现有 pkgs/ 全库扫描无 c++fly 声明(现状零影响)。
关联:mcpp-community/mcpp#214、
.agents/docs/2026-07-14-std-features-experimental-gate-design.md§11-Q2。