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Rollup merge of #49906 - kennytm:stable-unreachable, r=sfackler

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Stabilize `std::hint::unreachable_unchecked`.

Closes #43751.
This commit is contained in:
kennytm
2018-04-24 11:57:04 +08:00
committed by GitHub
parent 2701c175a5 5fe8c59f12
commit f28f5aa0b2
6 changed files with 71 additions and 16 deletions
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8
src/libcore/macros.rs
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@@ -421,13 +421,13 @@ macro_rules! writeln {
/// * Iterators that dynamically terminate.
///
/// If the determination that the code is unreachable proves incorrect, the
/// program immediately terminates with a [`panic!`]. The function [`unreachable`],
/// which belongs to the [`std::intrinsics`] module, informs the compilier to
/// program immediately terminates with a [`panic!`]. The function [`unreachable_unchecked`],
/// which belongs to the [`std::hint`] module, informs the compilier to
/// optimize the code out of the release version entirely.
///
/// [`panic!`]: ../std/macro.panic.html
/// [`unreachable`]: ../std/intrinsics/fn.unreachable.html
/// [`std::intrinsics`]: ../std/intrinsics/index.html
/// [`unreachable_unchecked`]: ../std/hint/fn.unreachable_unchecked.html
/// [`std::hint`]: ../std/hint/index.html
///
/// # Panics
///