Merge pull request #4449 from rust-lang/rustup-2025-07-07

Automatic Rustup

Author: RalfJung

Cargo.lock

@@ -1947,6 +1947,17 @@ dependencies = [
  "unic-langid",
 ]
 
+[[package]]
+name = "io-uring"
+version = "0.7.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b86e202f00093dcba4275d4636b93ef9dd75d025ae560d2521b45ea28ab49013"
+dependencies = [
+ "bitflags",
+ "cfg-if",
+ "libc",
+]
+
 [[package]]
 name = "ipc-channel"
 version = "0.19.0"
@@ -2058,9 +2069,9 @@ dependencies = [
 
 [[package]]
 name = "jsonpath-rust"
-version = "1.0.2"
+version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5b37465feaf9d41f74df7da98c6c1c31ca8ea06d11b5bf7869c8f1ccc51a793f"
+checksum = "7d057f8fd19e20c3f14d3663983397155739b6bc1148dc5cd4c4a1a5b3130eb0"
 dependencies = [
  "pest",
  "pest_derive",
@@ -2117,19 +2128,19 @@ dependencies = [
 
 [[package]]
 name = "libffi"
-version = "4.1.0"
+version = "4.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ebfd30a67b482a08116e753d0656cb626548cf4242543e5cc005be7639d99838"
+checksum = "e7681c6fab541f799a829e44a445a0666cf8d8a6cfebf89419e6aed52c604e87"
 dependencies = [
  "libc",
  "libffi-sys",
 ]
 
 [[package]]
 name = "libffi-sys"
-version = "3.3.1"
+version = "3.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f003aa318c9f0ee69eb0ada7c78f5c9d2fedd2ceb274173b5c7ff475eee584a3"
+checksum = "7b0d828d367b4450ed08e7d510dc46636cd660055f50d67ac943bfe788767c29"
 dependencies = [
  "cc",
 ]
@@ -5463,13 +5474,17 @@ checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20"
 
 [[package]]
 name = "tokio"
-version = "1.45.1"
+version = "1.46.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "75ef51a33ef1da925cea3e4eb122833cb377c61439ca401b770f54902b806779"
+checksum = "0cc3a2344dafbe23a245241fe8b09735b521110d30fcefbbd5feb1797ca35d17"
 dependencies = [
  "backtrace",
  "bytes",
+ "io-uring",
+ "libc",
+ "mio",
  "pin-project-lite",
+ "slab",
 ]
 
 [[package]]
@@ -5995,9 +6010,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-component-ld"
-version = "0.5.14"
+version = "0.5.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b015ec93764aa5517bc8b839efa9941b90be8ce680b1134f8224644ba1e48e3f"
+checksum = "6d95124e34fee1316222e03b9bbf41af186ecbae2c8b79f8debe6e21b3ff60c5"
 dependencies = [
  "anyhow",
  "clap",

compiler/rustc_abi/src/lib.rs

@@ -527,8 +527,7 @@ impl Size {
     /// not a multiple of 8.
     pub fn from_bits(bits: impl TryInto<u64>) -> Size {
         let bits = bits.try_into().ok().unwrap();
-        // Avoid potential overflow from `bits + 7`.
-        Size { raw: bits / 8 + ((bits % 8) + 7) / 8 }
+        Size { raw: bits.div_ceil(8) }
     }
 
     #[inline]

compiler/rustc_ast/src/visit.rs

@@ -1202,9 +1202,10 @@ macro_rules! common_visitor_and_walkers {
             let TyPat { id, kind, span, tokens: _ } = tp;
             try_visit!(visit_id(vis, id));
             match kind {
-                TyPatKind::Range(start, end, _include_end) => {
+                TyPatKind::Range(start, end, Spanned { span, node: _include_end }) => {
                     visit_opt!(vis, visit_anon_const, start);
                     visit_opt!(vis, visit_anon_const, end);
+                    try_visit!(visit_span(vis, span));
                 }
                 TyPatKind::Or(variants) => walk_list!(vis, visit_ty_pat, variants),
                 TyPatKind::Err(_) => {}
@@ -1523,16 +1524,26 @@ macro_rules! common_visitor_and_walkers {
         }
 
         pub fn walk_inline_asm<$($lt,)? V: $Visitor$(<$lt>)?>(vis: &mut V, asm: &$($lt)? $($mut)? InlineAsm) -> V::Result {
-            // FIXME: Visit spans inside all this currently ignored stuff.
             let InlineAsm {
                 asm_macro: _,
-                template: _,
-                template_strs: _,
+                template,
+                template_strs,
                 operands,
-                clobber_abis: _,
+                clobber_abis,
                 options: _,
-                line_spans: _,
+                line_spans,
             } = asm;
+            for piece in template {
+                match piece {
+                    InlineAsmTemplatePiece::String(_str) => {}
+                    InlineAsmTemplatePiece::Placeholder { operand_idx: _, modifier: _, span } => {
+                        try_visit!(visit_span(vis, span));
+                    }
+                }
+            }
+            for (_s1, _s2, span) in template_strs {
+                try_visit!(visit_span(vis, span));
+            }
             for (op, span) in operands {
                 match op {
                     InlineAsmOperand::In { expr, reg: _ }
@@ -1553,6 +1564,12 @@ macro_rules! common_visitor_and_walkers {
                 }
                 try_visit!(visit_span(vis, span));
             }
+            for (_s1, span) in clobber_abis {
+                try_visit!(visit_span(vis, span))
+            }
+            for span in line_spans {
+                try_visit!(visit_span(vis, span))
+            }
             V::Result::output()
         }
 
@@ -1565,9 +1582,9 @@ macro_rules! common_visitor_and_walkers {
             vis.visit_path(path)
         }
 
-        // FIXME: visit the template exhaustively.
         pub fn walk_format_args<$($lt,)? V: $Visitor$(<$lt>)?>(vis: &mut V, fmt: &$($lt)? $($mut)? FormatArgs) -> V::Result {
-            let FormatArgs { span, template: _, arguments, uncooked_fmt_str: _, is_source_literal: _ } = fmt;
+            let FormatArgs { span, template, arguments, uncooked_fmt_str: _, is_source_literal: _ } = fmt;
+
             let args = $(${ignore($mut)} arguments.all_args_mut())? $(${ignore($lt)} arguments.all_args())? ;
             for FormatArgument { kind, expr } in args {
                 match kind {
@@ -1578,9 +1595,58 @@ macro_rules! common_visitor_and_walkers {
                 }
                 try_visit!(vis.visit_expr(expr));
             }
+            for piece in template {
+                match piece {
+                    FormatArgsPiece::Literal(_symbol) => {}
+                    FormatArgsPiece::Placeholder(placeholder) => try_visit!(walk_format_placeholder(vis, placeholder)),
+                }
+            }
             visit_span(vis, span)
         }
 
+        fn walk_format_placeholder<$($lt,)? V: $Visitor$(<$lt>)?>(
+            vis: &mut V,
+            placeholder: &$($lt)? $($mut)? FormatPlaceholder,
+        ) -> V::Result {
+            let FormatPlaceholder { argument, span, format_options, format_trait: _ } = placeholder;
+            if let Some(span) = span {
+                try_visit!(visit_span(vis, span));
+            }
+            let FormatArgPosition { span, index: _, kind: _ } = argument;
+            if let Some(span) = span {
+                try_visit!(visit_span(vis, span));
+            }
+            let FormatOptions {
+                width,
+                precision,
+                alignment: _,
+                fill: _,
+                sign: _,
+                alternate: _,
+                zero_pad: _,
+                debug_hex: _,
+            } = format_options;
+            match width {
+                None => {}
+                Some(FormatCount::Literal(_)) => {}
+                Some(FormatCount::Argument(FormatArgPosition { span, index: _, kind: _ })) => {
+                    if let Some(span) = span {
+                        try_visit!(visit_span(vis, span));
+                    }
+                }
+            }
+            match precision {
+                None => {}
+                Some(FormatCount::Literal(_)) => {}
+                Some(FormatCount::Argument(FormatArgPosition { span, index: _, kind: _ })) => {
+                    if let Some(span) = span {
+                        try_visit!(visit_span(vis, span));
+                    }
+                }
+            }
+            V::Result::output()
+        }
+
         pub fn walk_expr<$($lt,)? V: $Visitor$(<$lt>)?>(vis: &mut V, expression: &$($lt)? $($mut)? Expr) -> V::Result {
             let Expr { id, kind, span, attrs, tokens: _ } = expression;
             try_visit!(visit_id(vis, id));
@@ -1601,7 +1667,7 @@ macro_rules! common_visitor_and_walkers {
                     try_visit!(visit_expr_fields(vis, fields));
                     match rest {
                         StructRest::Base(expr) => try_visit!(vis.visit_expr(expr)),
-                        StructRest::Rest(_span) => {}
+                        StructRest::Rest(span) => try_visit!(visit_span(vis, span)),
                         StructRest::None => {}
                     }
                 }
@@ -1688,7 +1754,8 @@ macro_rules! common_visitor_and_walkers {
                     visit_opt!(vis, visit_label, opt_label);
                     try_visit!(vis.visit_block(block));
                 }
-                ExprKind::Gen(_capt, body, _kind, decl_span) => {
+                ExprKind::Gen(capture_clause, body, _kind, decl_span) => {
+                    try_visit!(vis.visit_capture_by(capture_clause));
                     try_visit!(vis.visit_block(body));
                     try_visit!(visit_span(vis, decl_span));
                 }
@@ -1705,9 +1772,10 @@ macro_rules! common_visitor_and_walkers {
                     try_visit!(vis.visit_expr(rhs));
                     try_visit!(visit_span(vis, span));
                 }
-                ExprKind::AssignOp(_op, left_expression, right_expression) => {
+                ExprKind::AssignOp(Spanned { span, node: _ }, left_expression, right_expression) => {
                     try_visit!(vis.visit_expr(left_expression));
                     try_visit!(vis.visit_expr(right_expression));
+                    try_visit!(visit_span(vis, span));
                 }
                 ExprKind::Field(subexpression, ident) => {
                     try_visit!(vis.visit_expr(subexpression));

compiler/rustc_attr_data_structures/src/attributes.rs

@@ -67,8 +67,6 @@ pub enum ReprAttr {
     ReprSimd,
     ReprTransparent,
     ReprAlign(Align),
-    // this one is just so we can emit a lint for it
-    ReprEmpty,
 }
 pub use ReprAttr::*;
 
@@ -250,6 +248,13 @@ pub enum AttributeKind {
         span: Span,
     },
 
+    /// Represents `#[ignore]`
+    Ignore {
+        span: Span,
+        /// ignore can optionally have a reason: `#[ignore = "reason this is ignored"]`
+        reason: Option<Symbol>,
+    },
+
     /// Represents `#[inline]` and `#[rustc_force_inline]`.
     Inline(InlineAttr, Span),
 
@@ -297,7 +302,7 @@ pub enum AttributeKind {
     PubTransparent(Span),
 
     /// Represents [`#[repr]`](https://doc.rust-lang.org/stable/reference/type-layout.html#representations).
-    Repr(ThinVec<(ReprAttr, Span)>),
+    Repr { reprs: ThinVec<(ReprAttr, Span)>, first_span: Span },
 
     /// Represents `#[rustc_layout_scalar_valid_range_end]`.
     RustcLayoutScalarValidRangeEnd(Box<u128>, Span),

compiler/rustc_attr_data_structures/src/encode_cross_crate.rs

@@ -26,6 +26,7 @@ impl AttributeKind {
             Deprecation { .. } => Yes,
             DocComment { .. } => Yes,
             ExportName { .. } => Yes,
+            Ignore { .. } => No,
             Inline(..) => No,
             LinkName { .. } => Yes,
             LinkSection { .. } => No,
@@ -40,7 +41,7 @@ impl AttributeKind {
             Optimize(..) => No,
             PassByValue(..) => Yes,
             PubTransparent(..) => Yes,
-            Repr(..) => No,
+            Repr { .. } => No,
             RustcLayoutScalarValidRangeEnd(..) => Yes,
             RustcLayoutScalarValidRangeStart(..) => Yes,
             RustcObjectLifetimeDefault => No,

compiler/rustc_attr_data_structures/src/lints.rs

@@ -12,4 +12,5 @@ pub struct AttributeLint<Id> {
 pub enum AttributeLintKind {
     UnusedDuplicate { this: Span, other: Span, warning: bool },
     IllFormedAttributeInput { suggestions: Vec<String> },
+    EmptyAttribute { first_span: Span },
 }

compiler/rustc_attr_parsing/messages.ftl

@@ -6,6 +6,10 @@ attr_parsing_deprecated_item_suggestion =
     .help = add `#![feature(deprecated_suggestion)]` to the crate root
     .note = see #94785 for more details
 
+attr_parsing_empty_attribute =
+    unused attribute
+    .suggestion = remove this attribute
+
 attr_parsing_empty_confusables =
     expected at least one confusable name
 attr_parsing_expected_one_cfg_pattern =

compiler/rustc_attr_parsing/src/attributes/codegen_attrs.rs

@@ -298,6 +298,10 @@ impl<S: Stage> CombineAttributeParser<S> for TargetFeatureParser {
             cx.expected_list(cx.attr_span);
             return features;
         };
+        if list.is_empty() {
+            cx.warn_empty_attribute(cx.attr_span);
+            return features;
+        }
         for item in list.mixed() {
             let Some(name_value) = item.meta_item() else {
                 cx.expected_name_value(item.span(), Some(sym::enable));

compiler/rustc_attr_parsing/src/attributes/mod.rs

@@ -41,6 +41,7 @@ pub(crate) mod repr;
 pub(crate) mod rustc_internal;
 pub(crate) mod semantics;
 pub(crate) mod stability;
+pub(crate) mod test_attrs;
 pub(crate) mod traits;
 pub(crate) mod transparency;
 pub(crate) mod util;

compiler/rustc_attr_parsing/src/attributes/repr.rs

@@ -23,7 +23,8 @@ pub(crate) struct ReprParser;
 impl<S: Stage> CombineAttributeParser<S> for ReprParser {
     type Item = (ReprAttr, Span);
     const PATH: &[Symbol] = &[sym::repr];
-    const CONVERT: ConvertFn<Self::Item> = |items, _| AttributeKind::Repr(items);
+    const CONVERT: ConvertFn<Self::Item> =
+        |items, first_span| AttributeKind::Repr { reprs: items, first_span };
     // FIXME(jdonszelmann): never used
     const TEMPLATE: AttributeTemplate =
         template!(List: "C | Rust | align(...) | packed(...) | <integer type> | transparent");
@@ -40,8 +41,8 @@ impl<S: Stage> CombineAttributeParser<S> for ReprParser {
         };
 
         if list.is_empty() {
-            // this is so validation can emit a lint
-            reprs.push((ReprAttr::ReprEmpty, cx.attr_span));
+            cx.warn_empty_attribute(cx.attr_span);
+            return reprs;
         }
 
         for param in list.mixed() {