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Rollup merge of #77573 - pickfire:patch-7, r=jyn514

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Hint doc use convert::identity relative link

r? @jyn514
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Yuki Okushi 2020-10-06 16:26:12 +09:00 • committed by GitHub
commit cdaf8c5f71
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library/core/src/hint.rs
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@ -98,8 +98,6 @@ pub fn spin_loop() {
/// An identity function that *__hints__* to the compiler to be maximally pessimistic about what /// An identity function that *__hints__* to the compiler to be maximally pessimistic about what
/// `black_box` could do. /// `black_box` could do.
/// ///
/// [`std::convert::identity`]: https://doc.rust-lang.org/core/convert/fn.identity.html
///
/// Unlike [`std::convert::identity`], a Rust compiler is encouraged to assume that `black_box` can /// Unlike [`std::convert::identity`], a Rust compiler is encouraged to assume that `black_box` can
/// use `dummy` in any possible valid way that Rust code is allowed to without introducing undefined /// use `dummy` in any possible valid way that Rust code is allowed to without introducing undefined
/// behavior in the calling code. This property makes `black_box` useful for writing code in which /// behavior in the calling code. This property makes `black_box` useful for writing code in which
@ -108,6 +106,8 @@ pub fn spin_loop() {
/// Note however, that `black_box` is only (and can only be) provided on a "best-effort" basis. The /// Note however, that `black_box` is only (and can only be) provided on a "best-effort" basis. The
/// extent to which it can block optimisations may vary depending upon the platform and code-gen /// extent to which it can block optimisations may vary depending upon the platform and code-gen
/// backend used. Programs cannot rely on `black_box` for *correctness* in any way. /// backend used. Programs cannot rely on `black_box` for *correctness* in any way.
///
/// [`std::convert::identity`]: crate::convert::identity
#[cfg_attr(not(miri), inline)] #[cfg_attr(not(miri), inline)]
#[cfg_attr(miri, inline(never))] #[cfg_attr(miri, inline(never))]
#[unstable(feature = "test", issue = "50297")] #[unstable(feature = "test", issue = "50297")]