Merge ref '73e6c9ebd912' from rust-lang/rust

Pull recent changes from https://github.com/rust-lang/rust via Josh.

Upstream ref: 73e6c9ebd9123154a196300ef58e30ec8928e74e
Filtered ref: e8bb3cae4cd2b04bdc252cdf79102717db2b2d8d
Upstream diff: rust-lang/rust@32e7a4b...73e6c9e

This merge was created using https://github.com/rust-lang/josh-sync.

Author: Kobzol

.github/workflows/m68k.yml

@@ -82,20 +82,16 @@ jobs:
     - name: Build sample project with target defined as JSON spec
       run: |
         ./y.sh prepare --only-libcore --cross
-        ./y.sh build --sysroot --features compiler-builtins-no-f16-f128 --target-triple m68k-unknown-linux-gnu --target ${{ github.workspace }}/target_specs/m68k-unknown-linux-gnu.json
+        ./y.sh build --sysroot --target-triple m68k-unknown-linux-gnu --target ${{ github.workspace }}/target_specs/m68k-unknown-linux-gnu.json
         CG_RUSTFLAGS="-Clinker=m68k-unknown-linux-gnu-gcc" ./y.sh cargo build --manifest-path=./tests/hello-world/Cargo.toml --target ${{ github.workspace }}/target_specs/m68k-unknown-linux-gnu.json
         ./y.sh clean all
 
     - name: Build
       run: |
         ./y.sh prepare --only-libcore --cross
-        ./y.sh build --sysroot --features compiler-builtins-no-f16-f128 --target-triple m68k-unknown-linux-gnu
+        ./y.sh build --sysroot --target-triple m68k-unknown-linux-gnu
         ./y.sh test --mini-tests --target-triple m68k-unknown-linux-gnu
-        # FIXME: since https://github.com/rust-lang/rust/pull/140809, we cannot run programs for architectures not
-        # supported by the object crate, since this adds a dependency on symbols.o for the panic runtime.
-        # And as such, a wrong order of the object files in the linker command now fails with an undefined reference
-        # to some symbols like __rustc::rust_panic.
-        #CG_GCC_TEST_TARGET=m68k-unknown-linux-gnu ./y.sh test --cargo-tests --target-triple m68k-unknown-linux-gnu
+        CG_GCC_TEST_TARGET=m68k-unknown-linux-gnu ./y.sh test --cargo-tests --target-triple m68k-unknown-linux-gnu
         ./y.sh clean all
 
     - name: Prepare dependencies
@@ -104,23 +100,21 @@ jobs:
         git config --global user.name "User"
         ./y.sh prepare --cross
 
-    # FIXME: We cannot run programs for architectures not supported by the object crate. See comment above.
-    #- name: Run tests
-      #run: |
-        #./y.sh test --target-triple m68k-unknown-linux-gnu --release --clean --build-sysroot --sysroot-features compiler-builtins-no-f16-f128 ${{ matrix.commands }}
-
-    # FIXME: We cannot run programs for architectures not supported by the object crate. See comment above.
-    #- name: Run Hello World!
-      #run: |
-        #./y.sh build --target-triple m68k-unknown-linux-gnu
-
-        #vm_dir=$(pwd)/vm
-        #cd tests/hello-world
-        #CG_RUSTFLAGS="-Clinker=m68k-unknown-linux-gnu-gcc" ../../y.sh cargo build --target m68k-unknown-linux-gnu
-        #sudo cp target/m68k-unknown-linux-gnu/debug/hello_world $vm_dir/home/
-        #sudo chroot $vm_dir qemu-m68k-static /home/hello_world > hello_world_stdout
-        #expected_output="40"
-        #test $(cat hello_world_stdout) == $expected_output || (echo "Output differs. Actual output: $(cat hello_world_stdout)"; exit 1)
+    - name: Run tests
+      run: |
+        ./y.sh test --target-triple m68k-unknown-linux-gnu --release --clean --build-sysroot ${{ matrix.commands }}
+
+    - name: Run Hello World!
+      run: |
+        ./y.sh build --target-triple m68k-unknown-linux-gnu
+
+        vm_dir=$(pwd)/vm
+        cd tests/hello-world
+        CG_RUSTFLAGS="-Clinker=m68k-unknown-linux-gnu-gcc" ../../y.sh cargo build --target m68k-unknown-linux-gnu
+        sudo cp target/m68k-unknown-linux-gnu/debug/hello_world $vm_dir/home/
+        sudo chroot $vm_dir qemu-m68k-static /home/hello_world > hello_world_stdout
+        expected_output="40"
+        test $(cat hello_world_stdout) == $expected_output || (echo "Output differs. Actual output: $(cat hello_world_stdout)"; exit 1)
 
   # Summary job for the merge queue.
   # ALL THE PREVIOUS JOBS NEED TO BE ADDED TO THE `needs` SECTION OF THIS JOB!

Cargo.lock

@@ -56,18 +56,18 @@ dependencies = [
 
 [[package]]
 name = "gccjit"
-version = "2.7.0"
+version = "2.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ae99a89184220d967dd300139f2d2ae7d52c1a69d632b24aacc57c54625254ce"
+checksum = "4a0e310ef75f396cd11b2443b353d55376656ca92c13cba36f92b7aff346ac1a"
 dependencies = [
  "gccjit_sys",
 ]
 
 [[package]]
 name = "gccjit_sys"
-version = "0.8.0"
+version = "0.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "24edb7bfe2b7b27c6d09ed23eebfcab0b359c8fe978433f902943e6f127a0f1b"
+checksum = "95ed7572b30cd32430294dde6fb70822d58e67c6846a548647e8739776a0125b"
 dependencies = [
  "libc",
 ]

Cargo.toml

@@ -24,7 +24,7 @@ default = ["master"]
 [dependencies]
 object = { version = "0.37.0", default-features = false, features = ["std", "read"] }
 tempfile = "3.20"
-gccjit = "2.7"
+gccjit = "2.8"
 #gccjit = { git = "https://github.com/rust-lang/gccjit.rs" }
 
 # Local copy.

build_system/src/abi_test.rs

@@ -31,7 +31,7 @@ pub fn run() -> Result<(), String> {
         Some("clones/abi-cafe".as_ref()),
         true,
     )
-    .map_err(|err| (format!("Git clone failed with message: {err:?}!")))?;
+    .map_err(|err| format!("Git clone failed with message: {err:?}!"))?;
     // Configure abi-cafe to use the exact same rustc version we use - this is crucial.
     // Otherwise, the concept of ABI compatibility becomes meanignless.
     std::fs::copy("rust-toolchain", "clones/abi-cafe/rust-toolchain")

build_system/src/fmt.rs

@@ -1,7 +1,7 @@
 use std::ffi::OsStr;
 use std::path::Path;
 
-use crate::utils::run_command_with_output;
+use crate::utils::{run_command_with_output, walk_dir};
 
 fn show_usage() {
     println!(
@@ -32,5 +32,31 @@ pub fn run() -> Result<(), String> {
         if check { &[&"cargo", &"fmt", &"--check"] } else { &[&"cargo", &"fmt"] };
 
     run_command_with_output(cmd, Some(Path::new(".")))?;
-    run_command_with_output(cmd, Some(Path::new("build_system")))
+    run_command_with_output(cmd, Some(Path::new("build_system")))?;
+
+    run_rustfmt_recursively("tests/run", check)
+}
+
+fn run_rustfmt_recursively<P>(dir: P, check: bool) -> Result<(), String>
+where
+    P: AsRef<Path>,
+{
+    walk_dir(
+        dir,
+        &mut |dir| run_rustfmt_recursively(dir, check),
+        &mut |file_path| {
+            if file_path.extension().filter(|ext| ext == &OsStr::new("rs")).is_some() {
+                let rustfmt_cmd: &[&dyn AsRef<OsStr>] = if check {
+                    &[&"rustfmt", &"--check", &file_path]
+                } else {
+                    &[&"rustfmt", &file_path]
+                };
+
+                run_command_with_output(rustfmt_cmd, Some(Path::new(".")))
+            } else {
+                Ok(())
+            }
+        },
+        true,
+    )
 }

build_system/src/fuzz.rs

@@ -43,18 +43,18 @@ pub fn run() -> Result<(), String> {
             "--start" => {
                 start =
                     str::parse(&args.next().ok_or_else(|| "Fuzz start not provided!".to_string())?)
-                        .map_err(|err| (format!("Fuzz start not a number {err:?}!")))?;
+                        .map_err(|err| format!("Fuzz start not a number {err:?}!"))?;
             }
             "--count" => {
                 count =
                     str::parse(&args.next().ok_or_else(|| "Fuzz count not provided!".to_string())?)
-                        .map_err(|err| (format!("Fuzz count not a number {err:?}!")))?;
+                        .map_err(|err| format!("Fuzz count not a number {err:?}!"))?;
             }
             "-j" | "--jobs" => {
                 threads = str::parse(
                     &args.next().ok_or_else(|| "Fuzz thread count not provided!".to_string())?,
                 )
-                .map_err(|err| (format!("Fuzz thread count not a number {err:?}!")))?;
+                .map_err(|err| format!("Fuzz thread count not a number {err:?}!"))?;
             }
             _ => return Err(format!("Unknown option {arg}")),
         }
@@ -66,7 +66,7 @@ pub fn run() -> Result<(), String> {
         Some("clones/rustlantis".as_ref()),
         true,
     )
-    .map_err(|err| (format!("Git clone failed with message: {err:?}!")))?;
+    .map_err(|err| format!("Git clone failed with message: {err:?}!"))?;
 
     // Ensure that we are on the newest rustlantis commit.
     let cmd: &[&dyn AsRef<OsStr>] = &[&"git", &"pull", &"origin"];

build_system/src/test.rs

@@ -531,7 +531,7 @@ fn setup_rustc(env: &mut Env, args: &TestArg) -> Result<PathBuf, String> {
             r#"change-id = 115898
 
 [rust]
-codegen-backends = []
+codegen-backends = ["gcc"]
 deny-warnings = false
 verbose-tests = true
 
@@ -1083,27 +1083,36 @@ where
 
 fn test_rustc(env: &Env, args: &TestArg) -> Result<(), String> {
     test_rustc_inner(env, args, |_| Ok(false), false, "run-make")?;
+    test_rustc_inner(env, args, |_| Ok(false), false, "run-make-cargo")?;
     test_rustc_inner(env, args, |_| Ok(false), false, "ui")
 }
 
 fn test_failing_rustc(env: &Env, args: &TestArg) -> Result<(), String> {
-    let result1 = test_rustc_inner(
+    let run_make_result = test_rustc_inner(
         env,
         args,
         retain_files_callback("tests/failing-run-make-tests.txt", "run-make"),
         false,
         "run-make",
     );
 
-    let result2 = test_rustc_inner(
+    let run_make_cargo_result = test_rustc_inner(
+        env,
+        args,
+        retain_files_callback("tests/failing-run-make-tests.txt", "run-make-cargo"),
+        false,
+        "run-make",
+    );
+
+    let ui_result = test_rustc_inner(
         env,
         args,
         retain_files_callback("tests/failing-ui-tests.txt", "ui"),
         false,
         "ui",
     );
 
-    result1.and(result2)
+    run_make_result.and(run_make_cargo_result).and(ui_result)
 }
 
 fn test_successful_rustc(env: &Env, args: &TestArg) -> Result<(), String> {
@@ -1120,6 +1129,13 @@ fn test_successful_rustc(env: &Env, args: &TestArg) -> Result<(), String> {
         remove_files_callback("tests/failing-run-make-tests.txt", "run-make"),
         false,
         "run-make",
+    )?;
+    test_rustc_inner(
+        env,
+        args,
+        remove_files_callback("tests/failing-run-make-tests.txt", "run-make-cargo"),
+        false,
+        "run-make-cargo",
     )
 }
 

libgccjit.version

@@ -1 +1 @@
-04ce66d8c918de9273bd7101638ad8724edf5e21
+4e995bd73c4490edfe5080ec6014d63aa9abed5f

messages.ftl

@@ -4,3 +4,5 @@ codegen_gcc_unwinding_inline_asm =
 codegen_gcc_copy_bitcode = failed to copy bitcode to object file: {$err}
 
 codegen_gcc_lto_bitcode_from_rlib = failed to get bitcode from object file for LTO ({$gcc_err})
+
+codegen_gcc_explicit_tail_calls_unsupported = explicit tail calls with the 'become' keyword are not implemented in the GCC backend

patches/0001-Add-stdarch-Cargo.toml-for-testing.patch

@@ -1,29 +1,28 @@
-From b8f3eed3053c9333b5dfbeaeb2a6a65a4b3156df Mon Sep 17 00:00:00 2001
-From: Antoni Boucher <bouanto@zoho.com>
-Date: Tue, 29 Aug 2023 13:06:34 -0400
+From 190e26c9274b3c93a9ee3516b395590e6bd9213b Mon Sep 17 00:00:00 2001
+From: None <none@example.com>
+Date: Sun, 3 Aug 2025 19:54:56 -0400
 Subject: [PATCH] Patch 0001-Add-stdarch-Cargo.toml-for-testing.patch
 
 ---
- library/stdarch/Cargo.toml | 23 +++++++++++++++++++++++
- 1 file changed, 23 insertions(+)
+ library/stdarch/Cargo.toml | 20 ++++++++++++++++++++
+ 1 file changed, 20 insertions(+)
  create mode 100644 library/stdarch/Cargo.toml
 
 diff --git a/library/stdarch/Cargo.toml b/library/stdarch/Cargo.toml
 new file mode 100644
-index 0000000..4c63700
+index 0000000..bd6725c
 --- /dev/null
 +++ b/library/stdarch/Cargo.toml
-@@ -0,0 +1,21 @@
+@@ -0,0 +1,20 @@
 +[workspace]
 +resolver = "1"
 +members = [
-+  "crates/core_arch",
-+  "crates/std_detect",
-+  "crates/stdarch-gen-arm",
++  "crates/*",
 +  #"examples/"
 +]
 +exclude = [
-+  "crates/wasm-assert-instr-tests"
++  "crates/wasm-assert-instr-tests",
++  "rust_programs",
 +]
 +
 +[profile.release]
@@ -36,5 +35,5 @@ index 0000000..4c63700
 +opt-level = 3
 +incremental = true
 -- 
-2.42.0
+2.50.1