Auto merge of rust-lang#129933 - matthiaskrgr:rollup-ws3flpn, r=matthiaskrgr

Rollup of 9 pull requests

Successful merges:

 - rust-lang#127692 (Suggest `impl Trait` for References to Bare Trait in Function Header)
 - rust-lang#128701 (Don't Suggest Labeling `const` and `unsafe` Blocks )
 - rust-lang#128934 (Non-exhaustive structs may be empty)
 - rust-lang#129630 (Document the broken C ABI of `wasm32-unknown-unknown`)
 - rust-lang#129706 (Rename dump of coroutine by-move-body to be more consistent, fix ICE in dump_mir)
 - rust-lang#129896 (do not attempt to prove unknowable goals)
 - rust-lang#129926 (Move `SanityCheck` and `MirPass`)
 - rust-lang#129928 (rustc_driver_impl: remove some old dead logic)
 - rust-lang#129930 (include 1.80.1 release notes on master)

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

Author: bors

RELEASES.md

@@ -112,6 +112,14 @@ tools.
 
 - [Add a Rust-for Linux `auto` CI job to check kernel builds.](https://github.com/rust-lang/rust/pull/125209/)
 
+Version 1.80.1 (2024-08-08)
+===========================
+
+<a id="1.80.1"></a>
+
+- [Fix miscompilation in the jump threading MIR optimization when comparing floats](https://github.com/rust-lang/rust/pull/128271)
+- [Revert changes to the `dead_code` lint from 1.80.0](https://github.com/rust-lang/rust/pull/128618)
+
 Version 1.80.0 (2024-07-25)
 ==========================
 

compiler/rustc_driver_impl/src/lib.rs

@@ -61,7 +61,6 @@ use rustc_session::lint::{Lint, LintId};
 use rustc_session::output::collect_crate_types;
 use rustc_session::{config, filesearch, EarlyDiagCtxt, Session};
 use rustc_span::source_map::FileLoader;
-use rustc_span::symbol::sym;
 use rustc_span::FileName;
 use rustc_target::json::ToJson;
 use rustc_target::spec::{Target, TargetTriple};
@@ -777,16 +776,8 @@ fn print_crate_info(
                     .config
                     .iter()
                     .filter_map(|&(name, value)| {
-                        // Note that crt-static is a specially recognized cfg
-                        // directive that's printed out here as part of
-                        // rust-lang/rust#37406, but in general the
-                        // `target_feature` cfg is gated under
-                        // rust-lang/rust#29717. For now this is just
-                        // specifically allowing the crt-static cfg and that's
-                        // it, this is intended to get into Cargo and then go
-                        // through to build scripts.
-                        if (name != sym::target_feature || value != Some(sym::crt_dash_static))
-                            && !sess.is_nightly_build()
+                        // On stable, exclude unstable flags.
+                        if !sess.is_nightly_build()
                             && find_gated_cfg(|cfg_sym| cfg_sym == name).is_some()
                         {
                             return None;