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-rw-r--r--src/ci/citool/Cargo.toml2
-rw-r--r--src/ci/citool/src/main.rs4
-rw-r--r--src/ci/citool/src/utils.rs18
m---------src/doc/book0
m---------src/doc/edition-guide0
m---------src/doc/nomicon0
m---------src/doc/reference0
-rw-r--r--src/tools/compiletest/src/directives.rs10
-rw-r--r--src/tools/miri/tests/pass/static_align.rs60
-rw-r--r--src/tools/miri/tests/pass/thread_local-panic.rs8
-rw-r--r--src/tools/miri/tests/pass/thread_local-panic.stderr5
11 files changed, 104 insertions, 3 deletions
diff --git a/src/ci/citool/Cargo.toml b/src/ci/citool/Cargo.toml
index f61243a4d71..078b877e44b 100644
--- a/src/ci/citool/Cargo.toml
+++ b/src/ci/citool/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "citool"
 version = "0.1.0"
-edition = "2021"
+edition = "2024"
 
 [dependencies]
 anyhow = "1"
diff --git a/src/ci/citool/src/main.rs b/src/ci/citool/src/main.rs
index fe1b36673a1..255d39846da 100644
--- a/src/ci/citool/src/main.rs
+++ b/src/ci/citool/src/main.rs
@@ -24,7 +24,7 @@ use crate::github::JobInfoResolver;
 use crate::jobs::RunType;
 use crate::metrics::{JobMetrics, download_auto_job_metrics, download_job_metrics, load_metrics};
 use crate::test_dashboard::generate_test_dashboard;
-use crate::utils::{load_env_var, output_details};
+use crate::utils::{init_submodule_if_needed, load_env_var, output_details};
 
 const CI_DIRECTORY: &str = concat!(env!("CARGO_MANIFEST_DIR"), "/..");
 pub const DOCKER_DIRECTORY: &str = concat!(env!("CARGO_MANIFEST_DIR"), "/../docker");
@@ -121,6 +121,8 @@ fn run_workflow_locally(db: JobDatabase, job_type: JobType, name: String) -> any
         (key.clone(), value)
     }));
 
+    init_submodule_if_needed("src/llvm-project/")?;
+
     let mut cmd = Command::new(Path::new(DOCKER_DIRECTORY).join("run.sh"));
     cmd.arg(job.image());
     cmd.envs(custom_env);
diff --git a/src/ci/citool/src/utils.rs b/src/ci/citool/src/utils.rs
index 3176cb62f60..43b220255dc 100644
--- a/src/ci/citool/src/utils.rs
+++ b/src/ci/citool/src/utils.rs
@@ -1,5 +1,7 @@
 use std::borrow::Cow;
+use std::convert::AsRef;
 use std::path::Path;
+use std::process::Command;
 
 use anyhow::Context;
 
@@ -34,3 +36,19 @@ where
 pub fn normalize_path_delimiters(name: &str) -> Cow<'_, str> {
     if name.contains("\\") { name.replace('\\', "/").into() } else { name.into() }
 }
+
+pub fn init_submodule_if_needed<P: AsRef<Path>>(path_to_submodule: P) -> anyhow::Result<()> {
+    let path_to_submodule = path_to_submodule.as_ref();
+
+    if let Ok(mut iter) = path_to_submodule.read_dir()
+        && iter.any(|entry| entry.is_ok())
+    {
+        // Seems like the submodule is already initialized, nothing to be done here.
+        return Ok(());
+    }
+    let mut child = Command::new("git")
+        .args(&["submodule", "update", "--init"])
+        .arg(path_to_submodule)
+        .spawn()?;
+    if !child.wait()?.success() { Err(anyhow::anyhow!("git command failed")) } else { Ok(()) }
+}
diff --git a/src/doc/book b/src/doc/book
-Subproject 33f1af40cc44dde7e3e892f7a508e6f427d2cbc
+Subproject 1d7c3e6abec2d5a9bfac798b29b7855b9502542
diff --git a/src/doc/edition-guide b/src/doc/edition-guide
-Subproject aa6ce337c0adf7a63e33960d184270f2a45ab9e
+Subproject e2ed891f00361efc26616d82590b1c85d7a8920
diff --git a/src/doc/nomicon b/src/doc/nomicon
-Subproject f17a018b9989430967d1c58e9a12c51169abc74
+Subproject 23fc2682f8fcb887f77d0eaabba708809f834c1
diff --git a/src/doc/reference b/src/doc/reference
-Subproject cc7247d8dfaef4c39000bb12c55c32ba5b5ba97
+Subproject e11adf6016a362766eea5a3f9832e193994dd0c
diff --git a/src/tools/compiletest/src/directives.rs b/src/tools/compiletest/src/directives.rs
index e6916610190..0d85e76c2cc 100644
--- a/src/tools/compiletest/src/directives.rs
+++ b/src/tools/compiletest/src/directives.rs
@@ -415,10 +415,18 @@ impl TestProps {
                         config.parse_name_value_directive(ln, COMPILE_FLAGS, testfile)
                     {
                         let flags = split_flags(&flags);
-                        for flag in &flags {
+                        for (i, flag) in flags.iter().enumerate() {
                             if flag == "--edition" || flag.starts_with("--edition=") {
                                 panic!("you must use `//@ edition` to configure the edition");
                             }
+                            if (flag == "-C"
+                                && flags.get(i + 1).is_some_and(|v| v.starts_with("incremental=")))
+                                || flag.starts_with("-Cincremental=")
+                            {
+                                panic!(
+                                    "you must use `//@ incremental` to enable incremental compilation"
+                                );
+                            }
                         }
                         self.compile_flags.extend(flags);
                     }
diff --git a/src/tools/miri/tests/pass/static_align.rs b/src/tools/miri/tests/pass/static_align.rs
index f292f028568..bc6a9bf8af7 100644
--- a/src/tools/miri/tests/pass/static_align.rs
+++ b/src/tools/miri/tests/pass/static_align.rs
@@ -1,4 +1,7 @@
 #![feature(static_align)]
+#![deny(non_upper_case_globals)]
+
+use std::cell::Cell;
 
 // When a static uses `align(N)`, its address should be a multiple of `N`.
 
@@ -8,7 +11,64 @@ static FOO: u64 = 0;
 #[rustc_align_static(512)]
 static BAR: u64 = 0;
 
+struct HasDrop(*const HasDrop);
+
+impl Drop for HasDrop {
+    fn drop(&mut self) {
+        assert_eq!(core::ptr::from_mut(self).cast_const(), self.0);
+    }
+}
+
+thread_local! {
+    #[rustc_align_static(4096)]
+    static LOCAL: u64 = 0;
+
+    #[allow(unused_mut, reason = "test attribute handling")]
+    #[cfg_attr(true, rustc_align_static(4096))]
+    static CONST_LOCAL: u64 = const { 0 };
+
+    #[cfg_attr(any(true), cfg_attr(true, rustc_align_static(4096)))]
+    #[allow(unused_mut, reason = "test attribute handling")]
+    static HASDROP_LOCAL: Cell<HasDrop> = Cell::new(HasDrop(core::ptr::null()));
+
+    /// I love doc comments.
+    #[allow(unused_mut, reason = "test attribute handling")]
+    #[cfg_attr(all(),
+      cfg_attr(any(true),
+      cfg_attr(true, rustc_align_static(4096))))]
+    #[allow(unused_mut, reason = "test attribute handling")]
+    /// I love doc comments.
+    static HASDROP_CONST_LOCAL: Cell<HasDrop> = const { Cell::new(HasDrop(core::ptr::null())) };
+
+    #[cfg_attr(true,)]
+    #[cfg_attr(false,)]
+    #[cfg_attr(
+        true,
+        rustc_align_static(32),
+        cfg_attr(true, allow(non_upper_case_globals, reason = "test attribute handling")),
+        cfg_attr(false,)
+    )]
+    #[cfg_attr(false, rustc_align_static(0))]
+    static more_attr_testing: u64 = 0;
+}
+
+fn thread_local_ptr<T>(key: &'static std::thread::LocalKey<T>) -> *const T {
+    key.with(|local| core::ptr::from_ref::<T>(local))
+}
+
 fn main() {
     assert!(core::ptr::from_ref(&FOO).addr().is_multiple_of(256));
     assert!(core::ptr::from_ref(&BAR).addr().is_multiple_of(512));
+
+    assert!(thread_local_ptr(&LOCAL).addr().is_multiple_of(4096));
+    assert!(thread_local_ptr(&CONST_LOCAL).addr().is_multiple_of(4096));
+    assert!(thread_local_ptr(&HASDROP_LOCAL).addr().is_multiple_of(4096));
+    assert!(thread_local_ptr(&HASDROP_CONST_LOCAL).addr().is_multiple_of(4096));
+    assert!(thread_local_ptr(&more_attr_testing).addr().is_multiple_of(32));
+
+    // Test that address (and therefore alignment) is maintained during drop
+    let hasdrop_ptr = thread_local_ptr(&HASDROP_LOCAL);
+    core::mem::forget(HASDROP_LOCAL.replace(HasDrop(hasdrop_ptr.cast())));
+    let hasdrop_const_ptr = thread_local_ptr(&HASDROP_CONST_LOCAL);
+    core::mem::forget(HASDROP_CONST_LOCAL.replace(HasDrop(hasdrop_const_ptr.cast())));
 }
diff --git a/src/tools/miri/tests/pass/thread_local-panic.rs b/src/tools/miri/tests/pass/thread_local-panic.rs
new file mode 100644
index 00000000000..549acd23987
--- /dev/null
+++ b/src/tools/miri/tests/pass/thread_local-panic.rs
@@ -0,0 +1,8 @@
+thread_local! {
+    static LOCAL: u64 = panic!();
+
+}
+
+fn main() {
+    let _ = std::panic::catch_unwind(|| LOCAL.with(|_| {}));
+}
diff --git a/src/tools/miri/tests/pass/thread_local-panic.stderr b/src/tools/miri/tests/pass/thread_local-panic.stderr
new file mode 100644
index 00000000000..e69340a8102
--- /dev/null
+++ b/src/tools/miri/tests/pass/thread_local-panic.stderr
@@ -0,0 +1,5 @@
+
+thread 'main' ($TID) panicked at tests/pass/thread_local-panic.rs:LL:CC:
+explicit panic
+note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
+note: in Miri, you may have to set `MIRIFLAGS=-Zmiri-env-forward=RUST_BACKTRACE` for the environment variable to have an effect