Rollup of 25 pull requests

Cargo.lock

@@ -1491,6 +1491,7 @@ version = "0.15.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bf151400ff0baff5465007dd2f3e717f3fe502074ca563069ce3a6629d07b289"
 dependencies = [
+ "allocator-api2",
  "foldhash",
  "serde",
 ]
@@ -2881,11 +2882,11 @@ dependencies = [
 
 [[package]]
 name = "rand_xoshiro"
-version = "0.6.0"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6f97cdb2a36ed4183de61b2f824cc45c9f1037f28afe0a322e9fff4c108b5aaa"
+checksum = "f703f4665700daf5512dcca5f43afa6af89f09db47fb56be587f80636bda2d41"
 dependencies = [
- "rand_core 0.6.4",
+ "rand_core 0.9.0",
 ]
 
 [[package]]
@@ -3044,13 +3045,6 @@ dependencies = [
  "serde",
 ]
 
-[[package]]
-name = "rls"
-version = "2.0.0"
-dependencies = [
- "serde_json",
-]
-
 [[package]]
 name = "run_make_support"
 version = "0.2.0"
@@ -3155,7 +3149,7 @@ name = "rustc_abi"
 version = "0.0.0"
 dependencies = [
  "bitflags",
- "rand 0.8.5",
+ "rand 0.9.0",
  "rand_xoshiro",
  "rustc_data_structures",
  "rustc_hashes",
@@ -3492,6 +3486,7 @@ dependencies = [
  "either",
  "elsa",
  "ena",
+ "hashbrown 0.15.2",
  "indexmap",
  "jobserver",
  "libc",
@@ -3789,7 +3784,7 @@ dependencies = [
 name = "rustc_incremental"
 version = "0.0.0"
 dependencies = [
- "rand 0.8.5",
+ "rand 0.9.0",
  "rustc_ast",
  "rustc_data_structures",
  "rustc_errors",
@@ -5176,8 +5171,8 @@ version = "0.1.0"
 dependencies = [
  "indicatif",
  "num",
- "rand 0.8.5",
- "rand_chacha 0.3.1",
+ "rand 0.9.0",
+ "rand_chacha 0.9.0",
  "rayon",
 ]
 

Cargo.toml

@@ -24,7 +24,6 @@ members = [
   "src/tools/remote-test-server",
   "src/tools/rust-installer",
   "src/tools/rustdoc",
-  "src/tools/rls",
   "src/tools/rustfmt",
   "src/tools/miri",
   "src/tools/miri/cargo-miri",

compiler/rustc_abi/Cargo.toml

@@ -6,13 +6,13 @@ edition = "2024"
 [dependencies]
 # tidy-alphabetical-start
 bitflags = "2.4.1"
-rand = { version = "0.8.4", default-features = false, optional = true }
-rand_xoshiro = { version = "0.6.0", optional = true }
-rustc_data_structures = { path = "../rustc_data_structures", optional = true  }
+rand = { version = "0.9.0", default-features = false, optional = true }
+rand_xoshiro = { version = "0.7.0", optional = true }
+rustc_data_structures = { path = "../rustc_data_structures", optional = true }
 rustc_hashes = { path = "../rustc_hashes" }
 rustc_index = { path = "../rustc_index", default-features = false }
 rustc_macros = { path = "../rustc_macros", optional = true }
-rustc_serialize = { path = "../rustc_serialize", optional = true  }
+rustc_serialize = { path = "../rustc_serialize", optional = true }
 rustc_span = { path = "../rustc_span", optional = true }
 tracing = "0.1"
 # tidy-alphabetical-end

compiler/rustc_ast/src/format.rs

@@ -266,7 +266,7 @@ pub enum FormatAlignment {
 #[derive(Clone, Encodable, Decodable, Debug, PartialEq, Eq)]
 pub enum FormatCount {
     /// `{:5}` or `{:.5}`
-    Literal(usize),
+    Literal(u16),
     /// `{:.*}`, `{:.5$}`, or `{:a$}`, etc.
     Argument(FormatArgPosition),
 }

compiler/rustc_ast_lowering/src/expr.rs

@@ -2130,26 +2130,24 @@ impl<'hir> LoweringContext<'_, 'hir> {
         self.arena.alloc(self.expr(sp, hir::ExprKind::Tup(&[])))
     }
 
-    pub(super) fn expr_usize(&mut self, sp: Span, value: usize) -> hir::Expr<'hir> {
+    fn expr_uint(&mut self, sp: Span, ty: ast::UintTy, value: u128) -> hir::Expr<'hir> {
         let lit = self.arena.alloc(hir::Lit {
             span: sp,
-            node: ast::LitKind::Int(
-                (value as u128).into(),
-                ast::LitIntType::Unsigned(ast::UintTy::Usize),
-            ),
+            node: ast::LitKind::Int(value.into(), ast::LitIntType::Unsigned(ty)),
         });
         self.expr(sp, hir::ExprKind::Lit(lit))
     }
 
+    pub(super) fn expr_usize(&mut self, sp: Span, value: usize) -> hir::Expr<'hir> {
+        self.expr_uint(sp, ast::UintTy::Usize, value as u128)
+    }
+
     pub(super) fn expr_u32(&mut self, sp: Span, value: u32) -> hir::Expr<'hir> {
-        let lit = self.arena.alloc(hir::Lit {
-            span: sp,
-            node: ast::LitKind::Int(
-                u128::from(value).into(),
-                ast::LitIntType::Unsigned(ast::UintTy::U32),
-            ),
-        });
-        self.expr(sp, hir::ExprKind::Lit(lit))
+        self.expr_uint(sp, ast::UintTy::U32, value as u128)
+    }
+
+    pub(super) fn expr_u16(&mut self, sp: Span, value: u16) -> hir::Expr<'hir> {
+        self.expr_uint(sp, ast::UintTy::U16, value as u128)
     }
 
     pub(super) fn expr_char(&mut self, sp: Span, value: char) -> hir::Expr<'hir> {

compiler/rustc_ast_lowering/src/format.rs

@@ -292,7 +292,7 @@ fn make_count<'hir>(
                 hir::LangItem::FormatCount,
                 sym::Is,
             ));
-            let value = ctx.arena.alloc_from_iter([ctx.expr_usize(sp, *n)]);
+            let value = ctx.arena.alloc_from_iter([ctx.expr_u16(sp, *n)]);
             ctx.expr_call_mut(sp, count_is, value)
         }
         Some(FormatCount::Argument(arg)) => {

compiler/rustc_attr_data_structures/src/lib.rs

@@ -35,33 +35,39 @@ pub trait HashStableContext: rustc_ast::HashStableContext + rustc_abi::HashStabl
 /// like [`Span`]s and empty tuples, are gracefully skipped so they don't clutter the
 /// representation much.
 pub trait PrintAttribute {
-    fn print_something(&self) -> bool;
+    /// Whether or not this will render as something meaningful, or if it's skipped
+    /// (which will force the containing struct to also skip printing a comma
+    /// and the field name).
+    fn should_render(&self) -> bool;
+
     fn print_attribute(&self, p: &mut Printer);
 }
 
 impl<T: PrintAttribute> PrintAttribute for &T {
-    fn print_something(&self) -> bool {
-        T::print_something(self)
+    fn should_render(&self) -> bool {
+        T::should_render(self)
     }
 
     fn print_attribute(&self, p: &mut Printer) {
         T::print_attribute(self, p)
     }
 }
 impl<T: PrintAttribute> PrintAttribute for Option<T> {
-    fn print_something(&self) -> bool {
-        self.as_ref().is_some_and(|x| x.print_something())
+    fn should_render(&self) -> bool {
+        self.as_ref().is_some_and(|x| x.should_render())
     }
+
     fn print_attribute(&self, p: &mut Printer) {
         if let Some(i) = self {
             T::print_attribute(i, p)
         }
     }
 }
 impl<T: PrintAttribute> PrintAttribute for ThinVec<T> {
-    fn print_something(&self) -> bool {
-        self.is_empty() || self[0].print_something()
+    fn should_render(&self) -> bool {
+        self.is_empty() || self[0].should_render()
     }
+
     fn print_attribute(&self, p: &mut Printer) {
         let mut last_printed = false;
         p.word("[");
@@ -70,15 +76,15 @@ impl<T: PrintAttribute> PrintAttribute for ThinVec<T> {
                 p.word_space(",");
             }
             i.print_attribute(p);
-            last_printed = i.print_something();
+            last_printed = i.should_render();
         }
         p.word("]");
     }
 }
 macro_rules! print_skip {
     ($($t: ty),* $(,)?) => {$(
         impl PrintAttribute for $t {
-            fn print_something(&self) -> bool { false }
+            fn should_render(&self) -> bool { false }
             fn print_attribute(&self, _: &mut Printer) { }
         })*
     };
@@ -87,7 +93,7 @@ macro_rules! print_skip {
 macro_rules! print_disp {
     ($($t: ty),* $(,)?) => {$(
         impl PrintAttribute for $t {
-            fn print_something(&self) -> bool { true }
+            fn should_render(&self) -> bool { true }
             fn print_attribute(&self, p: &mut Printer) {
                 p.word(format!("{}", self));
             }
@@ -97,7 +103,7 @@ macro_rules! print_disp {
 macro_rules! print_debug {
     ($($t: ty),* $(,)?) => {$(
         impl PrintAttribute for $t {
-            fn print_something(&self) -> bool { true }
+            fn should_render(&self) -> bool { true }
             fn print_attribute(&self, p: &mut Printer) {
                 p.word(format!("{:?}", self));
             }
@@ -106,37 +112,39 @@ macro_rules! print_debug {
 }
 
 macro_rules! print_tup {
-    (num_print_something $($ts: ident)*) => { 0 $(+ $ts.print_something() as usize)* };
+    (num_should_render $($ts: ident)*) => { 0 $(+ $ts.should_render() as usize)* };
     () => {};
     ($t: ident $($ts: ident)*) => {
         #[allow(non_snake_case, unused)]
         impl<$t: PrintAttribute, $($ts: PrintAttribute),*> PrintAttribute for ($t, $($ts),*) {
-            fn print_something(&self) -> bool {
+            fn should_render(&self) -> bool {
                 let ($t, $($ts),*) = self;
-                print_tup!(num_print_something $t $($ts)*) != 0
+                print_tup!(num_should_render $t $($ts)*) != 0
             }
 
             fn print_attribute(&self, p: &mut Printer) {
                 let ($t, $($ts),*) = self;
-                let parens = print_tup!(num_print_something $t $($ts)*) > 1;
+                let parens = print_tup!(num_should_render $t $($ts)*) > 1;
                 if parens {
-                    p.word("(");
+                    p.popen();
                 }
 
-                let mut printed_anything = $t.print_something();
+                let mut printed_anything = $t.should_render();
 
                 $t.print_attribute(p);
 
                 $(
-                    if printed_anything && $ts.print_something() {
-                        p.word_space(",");
+                    if $ts.should_render() {
+                        if printed_anything {
+                            p.word_space(",");
+                        }
                         printed_anything = true;
                     }
                     $ts.print_attribute(p);
                 )*
 
                 if parens {
-                    p.word(")");
+                    p.pclose();
                 }
             }
         }
@@ -147,8 +155,8 @@ macro_rules! print_tup {
 
 print_tup!(A B C D E F G H);
 print_skip!(Span, ());
-print_disp!(Symbol, u16, bool, NonZero<u32>);
-print_debug!(UintTy, IntTy, Align, AttrStyle, CommentKind, Transparency);
+print_disp!(u16, bool, NonZero<u32>);
+print_debug!(Symbol, UintTy, IntTy, Align, AttrStyle, CommentKind, Transparency);
 
 /// Finds attributes in sequences of attributes by pattern matching.
 ///

compiler/rustc_borrowck/src/type_check/liveness/trace.rs

@@ -610,7 +610,7 @@ impl<'tcx> LivenessContext<'_, '_, '_, 'tcx> {
             Err(ErrorGuaranteed { .. }) => {
                 // We don't run dropck on HIR, and dropck looks inside fields of
                 // types, so there's no guarantee that it succeeds. We also
-                // can't rely on the the `ErrorGuaranteed` from `fully_perform` here
+                // can't rely on the `ErrorGuaranteed` from `fully_perform` here
                 // because it comes from delay_span_bug.
                 //
                 // Do this inside of a probe because we don't particularly care (or want)

compiler/rustc_codegen_ssa/messages.ftl

@@ -18,6 +18,8 @@ codegen_ssa_atomic_compare_exchange = Atomic compare-exchange intrinsic missing
 
 codegen_ssa_autodiff_without_lto = using the autodiff feature requires using fat-lto
 
+codegen_ssa_bare_instruction_set = `#[instruction_set]` requires an argument
+
 codegen_ssa_binary_output_to_tty = option `-o` or `--emit` is used to write binary output type `{$shorthand}` to stdout, but stdout is a tty
 
 codegen_ssa_cgu_not_recorded =
@@ -52,6 +54,10 @@ codegen_ssa_error_creating_remark_dir = failed to create remark directory: {$err
 codegen_ssa_error_writing_def_file =
     Error writing .DEF file: {$error}
 
+codegen_ssa_expected_name_value_pair = expected name value pair
+
+codegen_ssa_expected_one_argument = expected one argument
+
 codegen_ssa_expected_used_symbol = expected `used`, `used(compiler)` or `used(linker)`
 
 codegen_ssa_extern_funcs_not_found = some `extern` functions couldn't be found; some native libraries may need to be installed or have their path specified
@@ -88,9 +94,17 @@ codegen_ssa_incorrect_cgu_reuse_type =
 
 codegen_ssa_insufficient_vs_code_product = VS Code is a different product, and is not sufficient.
 
+codegen_ssa_invalid_argument = invalid argument
+    .help = valid inline arguments are `always` and `never`
+
+codegen_ssa_invalid_instruction_set = invalid instruction set specified
+
 codegen_ssa_invalid_link_ordinal_nargs = incorrect number of arguments to `#[link_ordinal]`
     .note = the attribute requires exactly one argument
 
+codegen_ssa_invalid_literal_value = invalid literal value
+    .label = value must be an integer between `0` and `255`
+
 codegen_ssa_invalid_monomorphization_basic_float_type = invalid monomorphization of `{$name}` intrinsic: expected basic float type, found `{$ty}`
 
 codegen_ssa_invalid_monomorphization_basic_integer_type = invalid monomorphization of `{$name}` intrinsic: expected basic integer type, found `{$ty}`
@@ -217,6 +231,8 @@ codegen_ssa_msvc_missing_linker = the msvc targets depend on the msvc linker but
 
 codegen_ssa_multiple_external_func_decl = multiple declarations of external function `{$function}` from library `{$library_name}` have different calling conventions
 
+codegen_ssa_multiple_instruction_set = cannot specify more than one instruction set
+
 codegen_ssa_multiple_main_functions = entry symbol `main` declared multiple times
     .help = did you use `#[no_mangle]` on `fn main`? Use `#![no_main]` to suppress the usual Rust-generated entry point
 
@@ -229,13 +245,20 @@ codegen_ssa_no_natvis_directory = error enumerating natvis directory: {$error}
 
 codegen_ssa_no_saved_object_file = cached cgu {$cgu_name} should have an object file, but doesn't
 
+codegen_ssa_null_on_export = `export_name` may not contain null characters
+
+codegen_ssa_out_of_range_integer = integer value out of range
+    .label = value must be between `0` and `255`
+
 codegen_ssa_processing_dymutil_failed = processing debug info with `dsymutil` failed: {$status}
     .note = {$output}
 
 codegen_ssa_read_file = failed to read file: {$message}
 
 codegen_ssa_repair_vs_build_tools = the Visual Studio build tools may need to be repaired using the Visual Studio installer
 
+codegen_ssa_requires_rust_abi = `#[track_caller]` requires Rust ABI
+
 codegen_ssa_rlib_archive_build_failure = failed to build archive from rlib at `{$path}`: {$error}
 
 codegen_ssa_rlib_incompatible_dependency_formats = `{$ty1}` and `{$ty2}` do not have equivalent dependency formats (`{$list1}` vs `{$list2}`)
@@ -356,6 +379,9 @@ codegen_ssa_unable_to_run_dsymutil = unable to run `dsymutil`: {$error}
 
 codegen_ssa_unable_to_write_debugger_visualizer = Unable to write debugger visualizer file `{$path}`: {$error}
 
+codegen_ssa_unexpected_parameter_name = unexpected parameter name
+    .label = expected `{$prefix_nops}` or `{$entry_nops}`
+
 codegen_ssa_unknown_archive_kind =
     Don't know how to build archive of type: {$kind}
 
@@ -367,6 +393,8 @@ codegen_ssa_unknown_reuse_kind = unknown cgu-reuse-kind `{$kind}` specified
 
 codegen_ssa_unsupported_arch = unsupported arch `{$arch}` for os `{$os}`
 
+codegen_ssa_unsupported_instruction_set = target does not support `#[instruction_set]`
+
 codegen_ssa_unsupported_link_self_contained = option `-C link-self-contained` is not supported on this target
 
 codegen_ssa_use_cargo_directive = use the `cargo:rustc-link-lib` directive to specify the native libraries to link with Cargo (see https://doc.rust-lang.org/cargo/reference/build-scripts.html#rustc-link-lib)