Auto merge of #54808 - pietroalbini:stable-1.29.2, r=alexcrichton

1.29.2 stable point release

This point release includes a backport of #54639 (a miscompilation) and the fix for #54206 (rls missing on windows-gnu). It also backports a release notes fix (#54150).

The target date for the release is Thursday 11th.

r? @Mark-Simulacrum
cc @rust-lang/core @rust-lang/release

RELEASES.md

@@ -1,3 +1,11 @@
+Version 1.29.2 (2018-10-11)
+===========================
+
+- [Workaround for an aliasing-related LLVM bug, which caused miscompilation.][54639]
+- The `rls-preview` component on the windows-gnu targets has been restored.
+
+[54639]: https://github.com/rust-lang/rust/pull/54639
+
 Version 1.29.1 (2018-09-25)
 ===========================
 
@@ -44,6 +52,8 @@ Cargo
   using `--target`][cargo/5614]
 - [Added the `cargo-fix` subcommand to automatically move project code from
   2015 edition to 2018.][cargo/5723]
+- [`cargo doc` can now optionally document private types using the
+  `--document-private-items` flag.][cargo/5543]
 
 Misc
 ----
@@ -81,6 +91,7 @@ Compatibility Notes
 [51178]: https://github.com/rust-lang/rust/pull/51178/
 [51122]: https://github.com/rust-lang/rust/pull/51122
 [50494]: https://github.com/rust-lang/rust/pull/50494/
+[cargo/5543]: https://github.com/rust-lang/cargo/pull/5543
 [cargo/5614]: https://github.com/rust-lang/cargo/pull/5614/
 [cargo/5723]: https://github.com/rust-lang/cargo/pull/5723/
 [cargo/5831]: https://github.com/rust-lang/cargo/pull/5831/