Auto merge of #142974 - cuviper:stage0-bump, r=Mark-Simulacrum

Update stage0 to 1.89.0-beta.1

- Update version placeholders
- Update stage0 to 1.89.0-beta.1
- Update `STAGE0_MISSING_TARGETS`
- Update `cfg(bootstrap)`

r? `@Mark-Simulacrum`

try-job: dist-i586-gnu-i586-i686-musl

Author: bors

Cargo.toml

@@ -70,7 +70,6 @@ stack-cache-consistency-check = ["stack-cache"]
 
 [lints.rust.unexpected_cfgs]
 level = "warn"
-check-cfg = ['cfg(bootstrap)']
 
 # Be aware that this file is inside a workspace when used via the
 # submodule in the rustc repo. That means there are many cargo features

cargo-miri/src/phases.rs

@@ -176,11 +176,6 @@ pub fn phase_cargo_miri(mut args: impl Iterator<Item = String>) {
     // Set `--target-dir` to `miri` inside the original target directory.
     let target_dir = get_target_dir(&metadata);
     cmd.arg("--target-dir").arg(target_dir);
-    // Only when running in x.py (where we are running with beta cargo): set `RUSTC_STAGE`.
-    // Will have to be removed on next bootstrap bump. tag: cfg(bootstrap).
-    if env::var_os("RUSTC_STAGE").is_some() {
-        cmd.arg("-Zdoctest-xcompile");
-    }
 
     // *After* we set all the flags that need setting, forward everything else. Make sure to skip
     // `--target-dir` (which would otherwise be set twice).

src/concurrency/mod.rs

@@ -8,19 +8,8 @@ pub mod thread;
 mod vector_clock;
 pub mod weak_memory;
 
-// cfg(bootstrap)
-macro_rules! cfg_select_dispatch {
-    ($($tokens:tt)*) => {
-        #[cfg(bootstrap)]
-        cfg_match! { $($tokens)* }
-
-        #[cfg(not(bootstrap))]
-        cfg_select! { $($tokens)* }
-    };
-}
-
 // Import either the real genmc adapter or a dummy module.
-cfg_select_dispatch! {
+cfg_select! {
     feature = "genmc" => {
         mod genmc;
         pub use self::genmc::{GenmcCtx, GenmcConfig};

src/lib.rs

@@ -1,5 +1,4 @@
-#![cfg_attr(bootstrap, feature(cfg_match))]
-#![cfg_attr(not(bootstrap), feature(cfg_select))]
+#![feature(cfg_select)]
 #![feature(rustc_private)]
 #![feature(float_gamma)]
 #![feature(float_erf)]
@@ -10,14 +9,12 @@
 #![feature(variant_count)]
 #![feature(yeet_expr)]
 #![feature(nonzero_ops)]
-#![cfg_attr(bootstrap, feature(nonnull_provenance))]
 #![feature(strict_overflow_ops)]
 #![feature(pointer_is_aligned_to)]
 #![feature(ptr_metadata)]
 #![feature(unqualified_local_imports)]
 #![feature(derive_coerce_pointee)]
 #![feature(arbitrary_self_types)]
-#![cfg_attr(bootstrap, feature(file_lock))]
 // Configure clippy and other lints
 #![allow(
     clippy::collapsible_else_if,