Merge branch 'master' into sync_from_rust_2025_11_13

Author: antoyo

example/mini_core_hello_world.rs

@@ -6,7 +6,7 @@
 )]
 #![no_core]
 #![allow(dead_code, internal_features, non_camel_case_types)]
-#![rustfmt_skip]
+#![cfg_attr(rustfmt, rustfmt_skip)]
 
 extern crate mini_core;
 

src/archive.rs

@@ -0,0 +1,24 @@
+use std::path::Path;
+
+use rustc_codegen_ssa::back::archive::{
+ ArArchiveBuilder, ArchiveBuilder, ArchiveBuilderBuilder, DEFAULT_OBJECT_READER,
+};
+use rustc_session::Session;
+
+pub(crate) struct ArArchiveBuilderBuilder;
+
+impl ArchiveBuilderBuilder for ArArchiveBuilderBuilder {
+ fn new_archive_builder<'a>(&self, sess: &'a Session) -> Box<dyn ArchiveBuilder + 'a> {
+ Box::new(ArArchiveBuilder::new(sess, &DEFAULT_OBJECT_READER))
+ }
+
+ fn create_dll_import_lib(
+ &self,
+ _sess: &Session,
+ _lib_name: &str,
+ _import_name_and_ordinal_vector: Vec<(String, Option<u16>)>,
+ _output_path: &Path,
+ ) {
+ unimplemented!("creating dll imports is not yet supported");
+ }
+}

src/attributes.rs

@@ -86,7 +86,7 @@ fn inline_attr<'gcc, 'tcx>(
 /// attributes.
 pub fn from_fn_attrs<'gcc, 'tcx>(
  cx: &CodegenCx<'gcc, 'tcx>,
- #[cfg_attr(not(feature = "master"), allow(unused_variables))] func: Function<'gcc>,
+ #[cfg_attr(not(feature = "master"), expect(unused_variables))] func: Function<'gcc>,
  instance: ty::Instance<'tcx>,
 ) {
  let codegen_fn_attrs = cx.tcx.codegen_instance_attrs(instance.def);

src/back/lto.rs

@@ -633,7 +633,7 @@ pub fn optimize_thin_module(
  save_temp_bitcode(cgcx, &module, "thin-lto-after-pm");
  }
  }*/
- #[allow(clippy::let_and_return)]
+ #[expect(clippy::let_and_return)]
  module
 }
 

src/builder.rs

@@ -1481,7 +1481,6 @@ impl<'a, 'gcc, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'gcc, 'tcx> {
  variable.to_rvalue()
  }
 
- #[allow(dead_code)]
  fn va_arg(&mut self, _list: RValue<'gcc>, _ty: Type<'gcc>) -> RValue<'gcc> {
  unimplemented!();
  }
@@ -2517,7 +2516,7 @@ impl ToGccComp for RealPredicate {
 }
 
 #[repr(C)]
-#[allow(non_camel_case_types)]
+#[expect(non_camel_case_types)]
 enum MemOrdering {
  __ATOMIC_RELAXED,
  __ATOMIC_CONSUME,

src/consts.rs

@@ -58,7 +58,6 @@ impl<'gcc, 'tcx> StaticCodegenMethods for CodegenCx<'gcc, 'tcx> {
  global_value
  }
 
- #[cfg_attr(not(feature = "master"), allow(unused_mut))]
  fn codegen_static(&mut self, def_id: DefId) {
  let attrs = self.tcx.codegen_fn_attrs(def_id);
 
@@ -162,7 +161,7 @@ impl<'gcc, 'tcx> CodegenCx<'gcc, 'tcx> {
  // TODO(antoyo)
  }
 
- #[cfg_attr(not(feature = "master"), allow(unused_variables))]
+ #[cfg_attr(not(feature = "master"), expect(unused_variables))]
  pub fn add_used_function(&self, function: Function<'gcc>) {
  #[cfg(feature = "master")]
  function.add_attribute(FnAttribute::Used);

src/context.rs

@@ -28,7 +28,7 @@ use crate::abi::conv_to_fn_attribute;
 use crate::callee::get_fn;
 use crate::common::SignType;
 
-#[cfg_attr(not(feature = "master"), allow(dead_code))]
+#[cfg_attr(not(feature = "master"), expect(dead_code))]
 pub struct CodegenCx<'gcc, 'tcx> {
  /// A cache of converted ConstAllocs
  pub const_cache: RefCell<HashMap<Allocation, RValue<'gcc>>>,
@@ -132,7 +132,7 @@ pub struct CodegenCx<'gcc, 'tcx> {
 }
 
 impl<'gcc, 'tcx> CodegenCx<'gcc, 'tcx> {
- #[allow(clippy::too_many_arguments)]
+ #[expect(clippy::too_many_arguments)]
  pub fn new(
  context: &'gcc Context<'gcc>,
  codegen_unit: &'tcx CodegenUnit<'tcx>,

src/declare.rs

@@ -156,7 +156,7 @@ impl<'gcc, 'tcx> CodegenCx<'gcc, 'tcx> {
 ///
 /// If there’s a value with the same name already declared, the function will
 /// update the declaration and return existing Value instead.
-#[allow(clippy::let_and_return)]
+#[expect(clippy::let_and_return)]
 fn declare_raw_fn<'gcc>(
  cx: &CodegenCx<'gcc, '_>,
  name: &str,

src/intrinsic/archs.rs

@@ -10,7 +10,7 @@ fn map_arch_intrinsic(full_name: &str) -> &'static str {
  };
  match arch {
  "AMDGPU" => {
- #[allow(non_snake_case)]
+ #[expect(non_snake_case)]
  fn AMDGPU(name: &str, full_name: &str) -> &'static str {
  match name {
  // AMDGPU
@@ -48,7 +48,6 @@ fn map_arch_intrinsic(full_name: &str) -> &'static str {
  AMDGPU(name, full_name)
  }
  "aarch64" => {
- #[allow(non_snake_case)]
  fn aarch64(name: &str, full_name: &str) -> &'static str {
  match name {
  // aarch64
@@ -81,7 +80,6 @@ fn map_arch_intrinsic(full_name: &str) -> &'static str {
  aarch64(name, full_name)
  }
  "amdgcn" => {
- #[allow(non_snake_case)]
  fn amdgcn(name: &str, full_name: &str) -> &'static str {
  match name {
  // amdgcn
@@ -524,7 +522,6 @@ fn map_arch_intrinsic(full_name: &str) -> &'static str {
  amdgcn(name, full_name)
  }
  "arm" => {
- #[allow(non_snake_case)]
  fn arm(name: &str, full_name: &str) -> &'static str {
  match name {
  // arm
@@ -633,7 +630,6 @@ fn map_arch_intrinsic(full_name: &str) -> &'static str {
  arm(name, full_name)
  }
  "bpf" => {
- #[allow(non_snake_case)]
  fn bpf(name: &str, full_name: &str) -> &'static str {
  match name {
  // bpf
@@ -655,7 +651,6 @@ fn map_arch_intrinsic(full_name: &str) -> &'static str {
  bpf(name, full_name)
  }
  "cuda" => {
- #[allow(non_snake_case)]
  fn cuda(name: &str, full_name: &str) -> &'static str {
  match name {
  // cuda
@@ -666,7 +661,6 @@ fn map_arch_intrinsic(full_name: &str) -> &'static str {
  cuda(name, full_name)
  }
  "hexagon" => {
- #[allow(non_snake_case)]
  fn hexagon(name: &str, full_name: &str) -> &'static str {
  match name {
  // hexagon
@@ -2653,7 +2647,6 @@ fn map_arch_intrinsic(full_name: &str) -> &'static str {
  hexagon(name, full_name)
  }
  "loongarch" => {
- #[allow(non_snake_case)]
  fn loongarch(name: &str, full_name: &str) -> &'static str {
  match name {
  // loongarch
@@ -4162,7 +4155,6 @@ fn map_arch_intrinsic(full_name: &str) -> &'static str {
  loongarch(name, full_name)
  }
  "mips" => {
- #[allow(non_snake_case)]
  fn mips(name: &str, full_name: &str) -> &'static str {
  match name {
  // mips
@@ -4843,7 +4835,6 @@ fn map_arch_intrinsic(full_name: &str) -> &'static str {
  mips(name, full_name)
  }
  "nvvm" => {
- #[allow(non_snake_case)]
  fn nvvm(name: &str, full_name: &str) -> &'static str {
  match name {
  // nvvm
@@ -5652,7 +5643,6 @@ fn map_arch_intrinsic(full_name: &str) -> &'static str {
  nvvm(name, full_name)
  }
  "ppc" => {
- #[allow(non_snake_case)]
  fn ppc(name: &str, full_name: &str) -> &'static str {
  match name {
  // ppc
@@ -6245,7 +6235,6 @@ fn map_arch_intrinsic(full_name: &str) -> &'static str {
  ppc(name, full_name)
  }
  "ptx" => {
- #[allow(non_snake_case)]
  fn ptx(name: &str, full_name: &str) -> &'static str {
  match name {
  // ptx
@@ -6273,7 +6262,6 @@ fn map_arch_intrinsic(full_name: &str) -> &'static str {
  ptx(name, full_name)
  }
  "r600" => {
- #[allow(non_snake_case)]
  fn r600(name: &str, full_name: &str) -> &'static str {
  match name {
  // r600
@@ -6298,7 +6286,6 @@ fn map_arch_intrinsic(full_name: &str) -> &'static str {
  r600(name, full_name)
  }
  "riscv" => {
- #[allow(non_snake_case)]
  fn riscv(name: &str, full_name: &str) -> &'static str {
  match name {
  // riscv
@@ -6332,7 +6319,6 @@ fn map_arch_intrinsic(full_name: &str) -> &'static str {
  riscv(name, full_name)
  }
  "s390" => {
- #[allow(non_snake_case)]
  fn s390(name: &str, full_name: &str) -> &'static str {
  match name {
  // s390
@@ -6526,7 +6512,6 @@ fn map_arch_intrinsic(full_name: &str) -> &'static str {
  s390(name, full_name)
  }
  "spv" => {
- #[allow(non_snake_case)]
  fn spv(name: &str, full_name: &str) -> &'static str {
  match name {
  // spv
@@ -6543,7 +6528,6 @@ fn map_arch_intrinsic(full_name: &str) -> &'static str {
  spv(name, full_name)
  }
  "ve" => {
- #[allow(non_snake_case)]
  fn ve(name: &str, full_name: &str) -> &'static str {
  match name {
  // ve
@@ -7816,7 +7800,6 @@ fn map_arch_intrinsic(full_name: &str) -> &'static str {
  ve(name, full_name)
  }
  "x86" => {
- #[allow(non_snake_case)]
  fn x86(name: &str, full_name: &str) -> &'static str {
  match name {
  // x86
@@ -10384,7 +10367,6 @@ fn map_arch_intrinsic(full_name: &str) -> &'static str {
  x86(name, full_name)
  }
  "xcore" => {
- #[allow(non_snake_case)]
  fn xcore(name: &str, full_name: &str) -> &'static str {
  match name {
  // xcore

src/intrinsic/llvm.rs

@@ -85,7 +85,7 @@ fn wide_aes_output_type<'a, 'gcc, 'tcx>(
  (aes_output_type.as_type(), field1, field2)
 }
 
-#[cfg_attr(not(feature = "master"), allow(unused_variables))]
+#[cfg_attr(not(feature = "master"), expect(unused_variables))]
 pub fn adjust_function<'gcc>(
  context: &'gcc Context<'gcc>,
  func_name: &str,