Auto merge of #117294 - matthiaskrgr:rollup-xylsec7, r=matthiaskrgr

Rollup of 7 pull requests

Successful merges:

 - #116834 (Remove `rustc_symbol_mangling/messages.ftl`.)
 - #117212 (Properly restore snapshot when failing to recover parsing ternary)
 - #117246 (Fix ICE: Restrict param constraint suggestion)
 - #117247 (NVPTX: Allow PassMode::Direct for ptx kernels for now)
 - #117270 (Hide internal methods from documentation)
 - #117281 (std::thread : add SAFETY comment)
 - #117287 (fix miri target information for Test step)

r? `@ghost`
`@rustbot` modify labels: rollup

2 files changed, 3 insertions, 0 deletions

diff --git a/library/std/src/io/mod.rs b/library/std/src/io/mod.rs
index bca5d859b66..aa9a2482d2d 100644
--- a/library/std/src/io/mod.rs
+++ b/library/std/src/io/mod.rs
@@ -317,6 +317,7 @@ pub use self::stdio::set_output_capture;
 #[stable(feature = "is_terminal", since = "1.70.0")]
 pub use self::stdio::IsTerminal;
 #[unstable(feature = "print_internals", issue = "none")]
+#[doc(hidden)]
 pub use self::stdio::{_eprint, _print};
 #[stable(feature = "rust1", since = "1.0.0")]
 pub use self::{
diff --git a/library/std/src/thread/mod.rs b/library/std/src/thread/mod.rs
index 68ea486933a..4097eb5549e 100644
--- a/library/std/src/thread/mod.rs
+++ b/library/std/src/thread/mod.rs
@@ -546,6 +546,8 @@ impl Builder {
         }
 
         let main = Box::new(main);
+        // SAFETY: dynamic size and alignment of the Box remain the same. See below for why the
+        // lifetime change is justified.
         #[cfg(bootstrap)]
         let main =
             unsafe { mem::transmute::<Box<dyn FnOnce() + 'a>, Box<dyn FnOnce() + 'static>>(main) };