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Auto merge of #126319 - workingjubilee:rollup-lendnud, r=workingjubilee

Browse source 
Rollup of 16 pull requests

Successful merges:

 - #123374 (DOC: Add FFI example for slice::from_raw_parts())
 - #124514 (Recommend to never display zero disambiguators when demangling v0 symbols)
 - #125978 (Cleanup: HIR ty lowering: Consolidate the places that do assoc item probing & access checking)
 - #125980 (Nvptx remove direct passmode)
 - #126187 (For E0277 suggest adding `Result` return type for function when using QuestionMark `?` in the body.)
 - #126210 (docs(core): make more const_ptr doctests assert instead of printing)
 - #126249 (Simplify `[T; N]::try_map` signature)
 - #126256 (Add {{target}} substitution to compiletest)
 - #126263 (Make issue-122805.rs big endian compatible)
 - #126281 (set_env: State the conclusion upfront)
 - #126286 (Make `storage-live.rs` robust against rustc internal changes.)
 - #126287 (Update a cranelift patch file for formatting changes.)
 - #126301 (Use `tidy` to sort crate attributes for all compiler crates.)
 - #126305 (Make PathBuf less Ok with adding UTF-16 then `into_string`)
 - #126310 (Migrate run make prefer rlib)
 - #126314 (fix RELEASES: we do not support upcasting to auto traits)

r? `@ghost`
`@rustbot` modify labels: rollup
This commit is contained in:
bors 2024-06-12 11:10:50 +00:00
parent 02c7a5921e 0a5284917b
commit bbe9a9c20b
96 changed files with 759 additions and 252 deletions
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2
RELEASES.md
View file

@ -147,7 +147,7 @@ Language
- [Split `refining_impl_trait` lint into `_reachable`, `_internal` variants](https://github.com/rust-lang/rust/pull/121720/)
- [Remove unnecessary type inference when using associated types inside of higher ranked `where`-bounds](https://github.com/rust-lang/rust/pull/119849)
- [Weaken eager detection of cyclic types during type inference](https://github.com/rust-lang/rust/pull/119989)
- [`trait Trait: Auto {}`: allow upcasting from `dyn Trait` to `dyn Auto`](https://github.com/rust-lang/rust/pull/119338)
- [`trait Trait: Auto {}`: allow upcasting from `dyn Trait` to `dyn Trait + Auto`](https://github.com/rust-lang/rust/pull/119338)
<a id="1.78.0-Compiler"></a>

4
compiler/rustc_abi/src/lib.rs
View file

@ -1,7 +1,9 @@
#![cfg_attr(feature = "nightly", feature(step_trait))]
// tidy-alphabetical-start
#![cfg_attr(feature = "nightly", allow(internal_features))]
#![cfg_attr(feature = "nightly", doc(rust_logo))]
#![cfg_attr(feature = "nightly", feature(rustdoc_internals))]
#![cfg_attr(feature = "nightly", feature(step_trait))]
// tidy-alphabetical-end
use std::fmt;
use std::num::{NonZeroUsize, ParseIntError};

18
compiler/rustc_arena/src/lib.rs
View file

@ -7,23 +7,25 @@
//!
//! This crate implements several kinds of arena.
// tidy-alphabetical-start
#![allow(clippy::mut_from_ref)] // Arena allocators are one place where this pattern is fine.
#![allow(internal_features)]
#![cfg_attr(test, feature(test))]
#![deny(unsafe_op_in_unsafe_fn)]
#![doc(
html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/",
test(no_crate_inject, attr(deny(warnings)))
)]
#![doc(rust_logo)]
#![feature(rustdoc_internals)]
#![feature(core_intrinsics)]
#![feature(dropck_eyepatch)]
#![feature(new_uninit)]
#![feature(maybe_uninit_slice)]
#![feature(decl_macro)]
#![feature(dropck_eyepatch)]
#![feature(maybe_uninit_slice)]
#![feature(new_uninit)]
#![feature(rustc_attrs)]
#![cfg_attr(test, feature(test))]
#![feature(rustdoc_internals)]
#![feature(strict_provenance)]
#![deny(unsafe_op_in_unsafe_fn)]
#![allow(internal_features)]
#![allow(clippy::mut_from_ref)] // Arena allocators are one of the places where this pattern is fine.
// tidy-alphabetical-end
use smallvec::SmallVec;

8
compiler/rustc_ast/src/lib.rs
View file

@ -4,20 +4,22 @@
//!
//! This API is completely unstable and subject to change.
// tidy-alphabetical-start
#![allow(internal_features)]
#![doc(
html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/",
test(attr(deny(warnings)))
)]
#![doc(rust_logo)]
#![allow(internal_features)]
#![feature(rustdoc_internals)]
#![feature(associated_type_defaults)]
#![feature(box_patterns)]
#![feature(if_let_guard)]
#![feature(let_chains)]
#![feature(never_type)]
#![feature(negative_impls)]
#![feature(never_type)]
#![feature(rustdoc_internals)]
#![feature(stmt_expr_attributes)]
// tidy-alphabetical-end
pub mod util {
pub mod case;

4
compiler/rustc_ast_ir/src/lib.rs
View file

@ -1,6 +1,8 @@
// tidy-alphabetical-start
#![cfg_attr(feature = "nightly", allow(internal_features))]
#![cfg_attr(feature = "nightly", feature(never_type))]
#![cfg_attr(feature = "nightly", feature(rustc_attrs))]
#![cfg_attr(feature = "nightly", allow(internal_features))]
// tidy-alphabetical-end
#[cfg(feature = "nightly")]
use rustc_macros::{Decodable, Encodable, HashStable_NoContext};

4
compiler/rustc_ast_lowering/src/lib.rs
View file

@ -30,12 +30,14 @@
//! get confused if the spans from leaf AST nodes occur in multiple places
//! in the HIR, especially for multiple identifiers.
// tidy-alphabetical-start
#![allow(internal_features)]
#![feature(rustdoc_internals)]
#![doc(rust_logo)]
#![feature(assert_matches)]
#![feature(box_patterns)]
#![feature(let_chains)]
#![feature(rustdoc_internals)]
// tidy-alphabetical-end
use crate::errors::{AssocTyParentheses, AssocTyParenthesesSub, MisplacedImplTrait};
use rustc_ast::node_id::NodeMap;

4
compiler/rustc_ast_passes/src/lib.rs
View file

@ -4,13 +4,15 @@
//!
//! The crate also contains other misc AST visitors, e.g. `node_count` and `show_span`.
// tidy-alphabetical-start
#![allow(internal_features)]
#![doc(rust_logo)]
#![feature(rustdoc_internals)]
#![feature(box_patterns)]
#![feature(if_let_guard)]
#![feature(iter_is_partitioned)]
#![feature(let_chains)]
#![feature(rustdoc_internals)]
// tidy-alphabetical-end
pub mod ast_validation;
mod errors;

4
compiler/rustc_ast_pretty/src/lib.rs
View file

@ -1,7 +1,9 @@
// tidy-alphabetical-start
#![allow(internal_features)]
#![feature(rustdoc_internals)]
#![doc(rust_logo)]
#![feature(box_patterns)]
#![feature(rustdoc_internals)]
// tidy-alphabetical-end
mod helpers;
pub mod pp;

4
compiler/rustc_attr/src/lib.rs
View file

@ -4,10 +4,12 @@
//! The goal is to move the definition of `MetaItem` and things that don't need to be in `syntax`
//! to this crate.
// tidy-alphabetical-start
#![allow(internal_features)]
#![feature(rustdoc_internals)]
#![doc(rust_logo)]
#![feature(let_chains)]
#![feature(rustdoc_internals)]
// tidy-alphabetical-end
mod builtin;
mod session_diagnostics;

8
compiler/rustc_baked_icu_data/src/lib.rs
View file

@ -20,10 +20,12 @@
//! --cldr-tag latest --icuexport-tag latest -o src/data
//! ```
#![allow(internal_features)]
#![feature(rustdoc_internals)]
#![doc(rust_logo)]
// tidy-alphabetical-start
#![allow(elided_lifetimes_in_paths)]
#![allow(internal_features)]
#![doc(rust_logo)]
#![feature(rustdoc_internals)]
// tidy-alphabetical-end
mod data {
include!("data/mod.rs");

4
compiler/rustc_borrowck/src/lib.rs
View file

@ -1,7 +1,7 @@
//! This query borrow-checks the MIR to (further) ensure it is not broken.
// tidy-alphabetical-start
#![allow(internal_features)]
#![feature(rustdoc_internals)]
#![doc(rust_logo)]
#![feature(assert_matches)]
#![feature(box_patterns)]
@ -10,8 +10,10 @@
#![feature(min_specialization)]
#![feature(never_type)]
#![feature(rustc_attrs)]
#![feature(rustdoc_internals)]
#![feature(stmt_expr_attributes)]
#![feature(try_blocks)]
// tidy-alphabetical-end
#[macro_use]
extern crate tracing;

6
compiler/rustc_builtin_macros/src/lib.rs
View file

@ -1,12 +1,12 @@
//! This crate contains implementations of built-in macros and other code generating facilities
//! injecting code into the crate before it is lowered to HIR.
// tidy-alphabetical-start
#![allow(internal_features)]
#![allow(rustc::diagnostic_outside_of_impl)]
#![allow(rustc::untranslatable_diagnostic)]
#![feature(rustdoc_internals)]
#![doc(rust_logo)]
#![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
#![doc(rust_logo)]
#![feature(assert_matches)]
#![feature(box_patterns)]
#![feature(decl_macro)]
@ -15,7 +15,9 @@
#![feature(lint_reasons)]
#![feature(proc_macro_internals)]
#![feature(proc_macro_quote)]
#![feature(rustdoc_internals)]
#![feature(try_blocks)]
// tidy-alphabetical-end
extern crate proc_macro;

6
compiler/rustc_codegen_cranelift/patches/0029-stdlib-rawdylib-processprng.patch
View file

@ -12,7 +12,7 @@ diff --git a/library/std/src/sys/pal/windows/c.rs b/library/std/src/sys/pal/wind
index ad8e01bfa9b..9ca8e4c16ce 100644
--- a/library/std/src/sys/pal/windows/c.rs
+++ b/library/std/src/sys/pal/windows/c.rs
@@ -323,7 +323,7 @@ pub unsafe fn NtWriteFile(
@@ -312,7 +312,7 @@ pub unsafe fn NtWriteFile(
// Use raw-dylib to import ProcessPrng as we can't rely on there being an import library.
cfg_if::cfg_if! {
@ -26,8 +26,8 @@ index e427546222a..f2fe42a4d51 100644
--- a/library/std/src/sys/pal/windows/rand.rs
+++ b/library/std/src/sys/pal/windows/rand.rs
@@ -2,7 +2,7 @@
use core::mem;
use core::ptr;
use crate::sys::c;
-#[cfg(not(target_vendor = "win7"))]
+#[cfg(any())]

15
compiler/rustc_codegen_cranelift/src/lib.rs
View file

@ -1,13 +1,16 @@
#![cfg_attr(doc, allow(internal_features))]
#![cfg_attr(doc, feature(rustdoc_internals))]
#![cfg_attr(doc, doc(rust_logo))]
#![feature(rustc_private)]
// Note: please avoid adding other feature gates where possible
// tidy-alphabetical-start
#![allow(rustc::diagnostic_outside_of_impl)]
#![allow(rustc::untranslatable_diagnostic)]
#![cfg_attr(doc, allow(internal_features))]
#![cfg_attr(doc, doc(rust_logo))]
#![cfg_attr(doc, feature(rustdoc_internals))]
// Note: please avoid adding other feature gates where possible
#![feature(rustc_private)]
// Note: please avoid adding other feature gates where possible
#![warn(rust_2018_idioms)]
#![warn(unused_lifetimes)]
#![warn(unreachable_pub)]
#![warn(unused_lifetimes)]
// tidy-alphabetical-end
extern crate jobserver;
#[macro_use]

8
compiler/rustc_codegen_llvm/src/lib.rs
View file

@ -4,16 +4,18 @@
//!
//! This API is completely unstable and subject to change.
// tidy-alphabetical-start
#![allow(internal_features)]
#![feature(rustdoc_internals)]
#![doc(rust_logo)]
#![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
#![doc(rust_logo)]
#![feature(exact_size_is_empty)]
#![feature(extern_types)]
#![feature(hash_raw_entry)]
#![feature(impl_trait_in_assoc_type)]
#![feature(iter_intersperse)]
#![feature(let_chains)]
#![feature(impl_trait_in_assoc_type)]
#![feature(rustdoc_internals)]
// tidy-alphabetical-end
use back::owned_target_machine::OwnedTargetMachine;
use back::write::{create_informational_target_machine, create_target_machine};

8
compiler/rustc_codegen_ssa/src/lib.rs
View file

@ -1,15 +1,17 @@
#![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
#![doc(rust_logo)]
#![feature(rustdoc_internals)]
// tidy-alphabetical-start
#![allow(internal_features)]
#![allow(rustc::diagnostic_outside_of_impl)]
#![allow(rustc::untranslatable_diagnostic)]
#![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
#![doc(rust_logo)]
#![feature(box_patterns)]
#![feature(if_let_guard)]
#![feature(let_chains)]
#![feature(negative_impls)]
#![feature(rustdoc_internals)]
#![feature(strict_provenance)]
#![feature(try_blocks)]
// tidy-alphabetical-end
//! This crate contains codegen code that is used by all codegen backends (LLVM and others).
//! The backend-agnostic functions of this crate use functions defined in various traits that

8
compiler/rustc_const_eval/src/lib.rs
View file

@ -1,18 +1,20 @@
// tidy-alphabetical-start
#![allow(internal_features)]
#![allow(rustc::diagnostic_outside_of_impl)]
#![feature(rustdoc_internals)]
#![doc(rust_logo)]
#![feature(assert_matches)]
#![feature(box_patterns)]
#![feature(decl_macro)]
#![feature(if_let_guard)]
#![feature(let_chains)]
#![feature(never_type)]
#![feature(rustdoc_internals)]
#![feature(slice_ptr_get)]
#![feature(strict_provenance)]
#![feature(never_type)]
#![feature(trait_alias)]
#![feature(try_blocks)]
#![feature(yeet_expr)]
#![feature(if_let_guard)]
// tidy-alphabetical-end
pub mod check_consts;
pub mod const_eval;

4
compiler/rustc_driver/src/lib.rs
View file

@ -1,8 +1,10 @@
// This crate is intentionally empty and a re-export of `rustc_driver_impl` to allow the code in
// `rustc_driver_impl` to be compiled in parallel with other crates.
// tidy-alphabetical-start
#![allow(internal_features)]
#![feature(rustdoc_internals)]
#![doc(rust_logo)]
#![feature(rustdoc_internals)]
// tidy-alphabetical-end
pub use rustc_driver_impl::*;

6
compiler/rustc_driver_impl/src/lib.rs
View file

@ -4,16 +4,18 @@
//!
//! This API is completely unstable and subject to change.
// tidy-alphabetical-start
#![allow(internal_features)]
#![allow(rustc::untranslatable_diagnostic)] // FIXME: make this translatable
#![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
#![doc(rust_logo)]
#![feature(rustdoc_internals)]
#![allow(internal_features)]
#![feature(decl_macro)]
#![feature(let_chains)]
#![feature(panic_backtrace_config)]
#![feature(panic_update_hook)]
#![feature(result_flattening)]
#![feature(rustdoc_internals)]
// tidy-alphabetical-end
use rustc_ast as ast;
use rustc_codegen_ssa::{traits::CodegenBackend, CodegenErrors, CodegenResults};

6
compiler/rustc_error_codes/src/lib.rs
View file

@ -1,10 +1,12 @@
//! This library is used to gather all error codes into one place, to make
//! their maintenance easier.
// tidy-alphabetical-start
#![allow(internal_features)]
#![feature(rustdoc_internals)]
#![doc(rust_logo)]
#![deny(rustdoc::invalid_codeblock_attributes)]
#![doc(rust_logo)]
#![feature(rustdoc_internals)]
// tidy-alphabetical-end
// This higher-order macro defines the error codes that are in use. It is used
// in the `rustc_errors` crate. Removed error codes are listed in the comment

10
compiler/rustc_error_messages/src/lib.rs
View file

@ -1,8 +1,10 @@
#![doc(rust_logo)]
#![feature(rustdoc_internals)]
#![feature(rustc_attrs)]
#![feature(type_alias_impl_trait)]
// tidy-alphabetical-start
#![allow(internal_features)]
#![doc(rust_logo)]
#![feature(rustc_attrs)]
#![feature(rustdoc_internals)]
#![feature(type_alias_impl_trait)]
// tidy-alphabetical-end
use fluent_bundle::FluentResource;
use fluent_syntax::parser::ParserError;

4
compiler/rustc_feature/src/lib.rs
View file

@ -11,9 +11,11 @@
//! even if it is stabilized or removed, *do not remove it*. Instead, move the
//! symbol to the `accepted` or `removed` modules respectively.
// tidy-alphabetical-start
#![allow(internal_features)]
#![feature(rustdoc_internals)]
#![doc(rust_logo)]
#![feature(rustdoc_internals)]
// tidy-alphabetical-end
mod accepted;
mod builtin_attrs;

8
compiler/rustc_fluent_macro/src/lib.rs
View file

@ -1,10 +1,12 @@
// tidy-alphabetical-start
#![allow(internal_features)]
#![allow(rustc::default_hash_types)]
#![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
#![doc(rust_logo)]
#![allow(internal_features)]
#![feature(rustdoc_internals)]
#![feature(proc_macro_diagnostic)]
#![feature(proc_macro_span)]
#![allow(rustc::default_hash_types)]
#![feature(rustdoc_internals)]
// tidy-alphabetical-end
use proc_macro::TokenStream;

2
compiler/rustc_fs_util/src/lib.rs
View file

@ -1,7 +1,9 @@
// tidy-alphabetical-start
use std::ffi::CString;
use std::fs;
use std::io;
use std::path::{absolute, Path, PathBuf};
// tidy-alphabetical-end
// Unfortunately, on windows, it looks like msvcrt.dll is silently translating
// verbatim paths under the hood to non-verbatim paths! This manifests itself as

6
compiler/rustc_graphviz/src/lib.rs
View file

@ -269,13 +269,15 @@
//!
//! * [DOT language](https://www.graphviz.org/doc/info/lang.html)
// tidy-alphabetical-start
#![allow(internal_features)]
#![doc(
html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/",
test(attr(allow(unused_variables), deny(warnings)))
)]
#![feature(rustdoc_internals)]
#![doc(rust_logo)]
#![allow(internal_features)]
#![feature(rustdoc_internals)]
// tidy-alphabetical-end
use LabelText::*;

1
compiler/rustc_hir/src/hir.rs
View file

@ -1038,6 +1038,7 @@ pub struct Block<'hir> {
pub hir_id: HirId,
/// Distinguishes between `unsafe { ... }` and `{ ... }`.
pub rules: BlockCheckMode,
/// The span includes the curly braces `{` and `}` around the block.
pub span: Span,
/// If true, then there may exist `break 'a` values that aim to
/// break out of this block early.

4
compiler/rustc_hir/src/lib.rs
View file

@ -2,13 +2,15 @@
//!
//! [rustc dev guide]: https://rustc-dev-guide.rust-lang.org/hir.html
// tidy-alphabetical-start
#![allow(internal_features)]
#![feature(associated_type_defaults)]
#![feature(closure_track_caller)]
#![feature(let_chains)]
#![feature(never_type)]
#![feature(rustc_attrs)]
#![feature(variant_count)]
#![allow(internal_features)]
// tidy-alphabetical-end
extern crate self as rustc_hir;

4
compiler/rustc_hir_analysis/messages.ftl
View file

@ -8,6 +8,10 @@ hir_analysis_assoc_item_constraints_not_allowed_here =
associated item constraints are not allowed here
.label = associated item constraint not allowed here
hir_analysis_assoc_item_is_private = {$kind} `{$name}` is private
.label = private {$kind}
.defined_here_label = the {$kind} is defined here
hir_analysis_assoc_item_not_found = associated {$assoc_kind} `{$assoc_name}` not found for `{$ty_param_name}`
hir_analysis_assoc_item_not_found_found_in_other_trait_label = there is {$identically_named ->

12
compiler/rustc_hir_analysis/src/errors.rs
View file

@ -55,6 +55,18 @@ pub struct AssocKindMismatchWrapInBracesSugg {
pub hi: Span,
}
#[derive(Diagnostic)]
#[diag(hir_analysis_assoc_item_is_private, code = E0624)]
pub struct AssocItemIsPrivate {
#[primary_span]
#[label]
pub span: Span,
pub kind: &'static str,
pub name: Ident,
#[label(hir_analysis_defined_here_label)]
pub defined_here_label: Span,
}
#[derive(Diagnostic)]
#[diag(hir_analysis_assoc_item_not_found, code = E0220)]
pub struct AssocItemNotFound<'a> {

50
compiler/rustc_hir_analysis/src/hir_ty_lowering/bounds.rs
View file

@ -294,30 +294,15 @@ pub(super) fn lower_assoc_item_constraint(
)?
};
let (assoc_ident, def_scope) =
tcx.adjust_ident_and_get_scope(constraint.ident, candidate.def_id(), hir_ref_id);
// We have already adjusted the item name above, so compare with `.normalize_to_macros_2_0()`
// instead of calling `filter_by_name_and_kind` which would needlessly normalize the
// `assoc_ident` again and again.
let assoc_item = tcx
.associated_items(candidate.def_id())
.filter_by_name_unhygienic(assoc_ident.name)
.find(|i| i.kind == assoc_kind && i.ident(tcx).normalize_to_macros_2_0() == assoc_ident)
.expect("missing associated item");
if !assoc_item.visibility(tcx).is_accessible_from(def_scope, tcx) {
let reported = tcx
.dcx()
.struct_span_err(
constraint.span,
format!("{} `{}` is private", assoc_item.kind, constraint.ident),
)
.with_span_label(constraint.span, format!("private {}", assoc_item.kind))
.emit();
self.set_tainted_by_errors(reported);
}
tcx.check_stability(assoc_item.def_id, Some(hir_ref_id), constraint.span, None);
let assoc_item = self
.probe_assoc_item(
constraint.ident,
assoc_kind,
hir_ref_id,
constraint.span,
candidate.def_id(),
)
.expect("failed to find associated item");
duplicates
.entry(assoc_item.def_id)
@ -404,10 +389,9 @@ pub(super) fn lower_assoc_item_constraint(
// Create the generic arguments for the associated type or constant by joining the
// parent arguments (the arguments of the trait) and the own arguments (the ones of
// the associated item itself) and construct an alias type using them.
let alias_ty = candidate.map_bound(|trait_ref| {
let ident = Ident::new(assoc_item.name, constraint.ident.span);
let alias_term = candidate.map_bound(|trait_ref| {
let item_segment = hir::PathSegment {
ident,
ident: constraint.ident,
hir_id: constraint.hir_id,
res: Res::Err,
args: Some(constraint.gen_args),
@ -426,15 +410,15 @@ pub(super) fn lower_assoc_item_constraint(
});
// Provide the resolved type of the associated constant to `type_of(AnonConst)`.
if let hir::AssocItemConstraintKind::Equality { term: hir::Term::Const(anon_const) } =
constraint.kind
{
let ty = alias_ty.map_bound(|ty| tcx.type_of(ty.def_id).instantiate(tcx, ty.args));
let ty = check_assoc_const_binding_type(tcx, assoc_ident, ty, constraint.hir_id);
if let Some(anon_const) = constraint.ct() {
let ty = alias_term
.map_bound(|alias| tcx.type_of(alias.def_id).instantiate(tcx, alias.args));
let ty =
check_assoc_const_binding_type(tcx, constraint.ident, ty, constraint.hir_id);
tcx.feed_anon_const_type(anon_const.def_id, ty::EarlyBinder::bind(ty));
}
alias_ty
alias_term
};
match constraint.kind {

89
compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs
View file

@ -1151,8 +1151,10 @@ pub fn lower_assoc_path(
};
let trait_did = bound.def_id();
let assoc_ty_did = self.probe_assoc_ty(assoc_ident, hir_ref_id, span, trait_did).unwrap();
let ty = self.lower_assoc_ty(span, assoc_ty_did, assoc_segment, bound);
let assoc_ty = self
.probe_assoc_item(assoc_ident, ty::AssocKind::Type, hir_ref_id, span, trait_did)
.expect("failed to find associated type");
let ty = self.lower_assoc_ty(span, assoc_ty.def_id, assoc_segment, bound);
if let Some(variant_def_id) = variant_resolution {
tcx.node_span_lint(AMBIGUOUS_ASSOCIATED_ITEMS, hir_ref_id, span, |lint| {
@ -1168,7 +1170,7 @@ pub fn lower_assoc_path(
};
could_refer_to(DefKind::Variant, variant_def_id, "");
could_refer_to(DefKind::AssocTy, assoc_ty_did, " also");
could_refer_to(DefKind::AssocTy, assoc_ty.def_id, " also");
lint.span_suggestion(
span,
@ -1178,7 +1180,7 @@ pub fn lower_assoc_path(
);
});
}
Ok((ty, DefKind::AssocTy, assoc_ty_did))
Ok((ty, DefKind::AssocTy, assoc_ty.def_id))
}
fn probe_inherent_assoc_ty(
@ -1205,7 +1207,11 @@ fn probe_inherent_assoc_ty(
let candidates: Vec<_> = tcx
.inherent_impls(adt_did)?
.iter()
.filter_map(|&impl_| Some((impl_, self.probe_assoc_ty_unchecked(name, block, impl_)?)))
.filter_map(|&impl_| {
let (item, scope) =
self.probe_assoc_item_unchecked(name, ty::AssocKind::Type, block, impl_)?;
Some((impl_, (item.def_id, scope)))
})
.collect();
if candidates.is_empty() {
@ -1249,7 +1255,7 @@ fn probe_inherent_assoc_ty(
},
)?;
self.check_assoc_ty(assoc_item, name, def_scope, block, span);
self.check_assoc_item(assoc_item, name, def_scope, block, span);
// FIXME(fmease): Currently creating throwaway `parent_args` to please
// `lower_generic_args_of_assoc_item`. Modify the latter instead (or sth. similar) to
@ -1336,50 +1342,69 @@ fn select_inherent_assoc_type_candidates(
}
}
fn probe_assoc_ty(&self, name: Ident, block: HirId, span: Span, scope: DefId) -> Option<DefId> {
let (item, def_scope) = self.probe_assoc_ty_unchecked(name, block, scope)?;
self.check_assoc_ty(item, name, def_scope, block, span);
/// Given name and kind search for the assoc item in the provided scope and check if it's accessible[^1].
///
/// [^1]: I.e., accessible in the provided scope wrt. visibility and stability.
fn probe_assoc_item(
&self,
ident: Ident,
kind: ty::AssocKind,
block: HirId,
span: Span,
scope: DefId,
) -> Option<ty::AssocItem> {
let (item, scope) = self.probe_assoc_item_unchecked(ident, kind, block, scope)?;
self.check_assoc_item(item.def_id, ident, scope, block, span);
Some(item)
}
fn probe_assoc_ty_unchecked(
/// Given name and kind search for the assoc item in the provided scope
/// *without* checking if it's accessible[^1].
///
/// [^1]: I.e., accessible in the provided scope wrt. visibility and stability.
fn probe_assoc_item_unchecked(
&self,
name: Ident,
ident: Ident,
kind: ty::AssocKind,
block: HirId,
scope: DefId,
) -> Option<(DefId, DefId)> {
) -> Option<(ty::AssocItem, /*scope*/ DefId)> {
let tcx = self.tcx();
let (ident, def_scope) = tcx.adjust_ident_and_get_scope(name, scope, block);
let (ident, def_scope) = tcx.adjust_ident_and_get_scope(ident, scope, block);
// We have already adjusted the item name above, so compare with `.normalize_to_macros_2_0()`
// instead of calling `filter_by_name_and_kind` which would needlessly normalize the
// `ident` again and again.
let item = tcx.associated_items(scope).in_definition_order().find(|i| {
i.kind.namespace() == Namespace::TypeNS
&& i.ident(tcx).normalize_to_macros_2_0() == ident
})?;
let item = tcx
.associated_items(scope)
.filter_by_name_unhygienic(ident.name)
.find(|i| i.kind == kind && i.ident(tcx).normalize_to_macros_2_0() == ident)?;
Some((item.def_id, def_scope))
Some((*item, def_scope))
}
fn check_assoc_ty(&self, item: DefId, name: Ident, def_scope: DefId, block: HirId, span: Span) {
/// Check if the given assoc item is accessible in the provided scope wrt. visibility and stability.
fn check_assoc_item(
&self,
item_def_id: DefId,
ident: Ident,
scope: DefId,
block: HirId,
span: Span,
) {
let tcx = self.tcx();
let kind = DefKind::AssocTy;
if !tcx.visibility(item).is_accessible_from(def_scope, tcx) {
let kind = tcx.def_kind_descr(kind, item);
let msg = format!("{kind} `{name}` is private");
let def_span = tcx.def_span(item);
let reported = tcx
.dcx()
.struct_span_err(span, msg)
.with_code(E0624)
.with_span_label(span, format!("private {kind}"))
.with_span_label(def_span, format!("{kind} defined here"))
.emit();
if !tcx.visibility(item_def_id).is_accessible_from(scope, tcx) {
let reported = tcx.dcx().emit_err(crate::errors::AssocItemIsPrivate {
span,
kind: tcx.def_descr(item_def_id),
name: ident,
defined_here_label: tcx.def_span(item_def_id),
});
self.set_tainted_by_errors(reported);
}
tcx.check_stability(item, Some(block), span, None);
tcx.check_stability(item_def_id, Some(block), span, None);
}
fn probe_traits_that_match_assoc_ty(

6
compiler/rustc_hir_analysis/src/lib.rs
View file

@ -55,21 +55,23 @@
*/
// tidy-alphabetical-start
#![allow(internal_features)]
#![allow(rustc::diagnostic_outside_of_impl)]
#![allow(rustc::potential_query_instability)]
#![allow(rustc::untranslatable_diagnostic)]
#![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
#![doc(rust_logo)]
#![feature(rustdoc_internals)]
#![allow(internal_features)]
#![feature(control_flow_enum)]
#![feature(if_let_guard)]
#![feature(is_sorted)]
#![feature(iter_intersperse)]
#![feature(let_chains)]
#![feature(never_type)]
#![feature(rustdoc_internals)]
#![feature(slice_partition_dedup)]
#![feature(try_blocks)]
// tidy-alphabetical-end
#[macro_use]
extern crate tracing;

2
compiler/rustc_hir_pretty/src/lib.rs
View file

@ -1,7 +1,9 @@
//! HIR pretty-printing is layered on top of AST pretty-printing. A number of
//! the definitions in this file have equivalents in `rustc_ast_pretty`.
// tidy-alphabetical-start
#![recursion_limit = "256"]
// tidy-alphabetical-end
use rustc_ast as ast;
use rustc_ast::util::parser::{self, AssocOp, Fixity};

10
compiler/rustc_hir_typeck/src/lib.rs
View file

@ -1,11 +1,13 @@
// tidy-alphabetical-start
#![allow(rustc::diagnostic_outside_of_impl)]
#![allow(rustc::untranslatable_diagnostic)]
#![feature(if_let_guard)]
#![feature(let_chains)]
#![feature(try_blocks)]
#![feature(never_type)]
#![feature(box_patterns)]
#![feature(control_flow_enum)]
#![feature(if_let_guard)]
#![feature(let_chains)]
#![feature(never_type)]
#![feature(try_blocks)]
// tidy-alphabetical-end
#[macro_use]
extern crate tracing;

4
compiler/rustc_incremental/src/lib.rs
View file

@ -1,10 +1,12 @@
//! Support for serializing the dep-graph and reloading it.
// tidy-alphabetical-start
#![allow(internal_features)]
#![deny(missing_docs)]
#![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
#![doc(rust_logo)]
#![feature(rustdoc_internals)]
#![allow(internal_features)]
// tidy-alphabetical-end
mod assert_dep_graph;
mod errors;

4
compiler/rustc_index/src/lib.rs
View file

@ -1,9 +1,11 @@
// tidy-alphabetical-start
#![cfg_attr(all(feature = "nightly", test), feature(stmt_expr_attributes))]
#![cfg_attr(
feature = "nightly",
feature(extend_one, min_specialization, new_uninit, step_trait, test)
)]
#![cfg_attr(all(feature = "nightly", test), feature(stmt_expr_attributes))]
#![cfg_attr(feature = "nightly", allow(internal_features))]
// tidy-alphabetical-end
pub mod bit_set;
#[cfg(feature = "nightly")]

4
compiler/rustc_index_macros/src/lib.rs
View file

@ -1,5 +1,7 @@
#![cfg_attr(feature = "nightly", feature(allow_internal_unstable))]
// tidy-alphabetical-start
#![cfg_attr(feature = "nightly", allow(internal_features))]
#![cfg_attr(feature = "nightly", feature(allow_internal_unstable))]
// tidy-alphabetical-end
use proc_macro::TokenStream;

10
compiler/rustc_infer/src/lib.rs
View file

@ -12,22 +12,24 @@
//!
//! This API is completely unstable and subject to change.
#![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
#![doc(rust_logo)]
#![feature(rustdoc_internals)]
// tidy-alphabetical-start
#![allow(internal_features)]
#![allow(rustc::diagnostic_outside_of_impl)]
#![allow(rustc::untranslatable_diagnostic)]
#![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
#![doc(rust_logo)]
#![feature(box_patterns)]
#![feature(control_flow_enum)]
#![feature(extend_one)]
#![feature(let_chains)]
#![feature(if_let_guard)]
#![feature(iter_intersperse)]
#![feature(iterator_try_collect)]
#![feature(let_chains)]
#![feature(rustdoc_internals)]
#![feature(try_blocks)]
#![feature(yeet_expr)]
#![recursion_limit = "512"] // For rustdoc
// tidy-alphabetical-end
#[macro_use]
extern crate tracing;

2
compiler/rustc_interface/src/lib.rs
View file

@ -1,7 +1,9 @@
// tidy-alphabetical-start
#![feature(decl_macro)]
#![feature(let_chains)]
#![feature(thread_spawn_unchecked)]
#![feature(try_blocks)]
// tidy-alphabetical-end
mod callbacks;
mod errors;

2
compiler/rustc_lexer/src/lib.rs
View file

@ -19,9 +19,11 @@
//!
//! [`rustc_parse::lexer`]: ../rustc_parse/lexer/index.html
// tidy-alphabetical-start
// We want to be able to build this crate with a stable compiler,
// so no `#![feature]` attributes should be added.
#![deny(unstable_features)]
// tidy-alphabetical-end
mod cursor;
pub mod unescape;

8
compiler/rustc_lint/src/lib.rs
View file

@ -25,9 +25,10 @@
//!
//! This API is completely unstable and subject to change.
// tidy-alphabetical-start
#![allow(internal_features)]
#![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
#![doc(rust_logo)]
#![feature(rustdoc_internals)]
#![feature(array_windows)]
#![feature(box_patterns)]
#![feature(control_flow_enum)]
@ -35,9 +36,10 @@
#![feature(if_let_guard)]
#![feature(iter_order_by)]
#![feature(let_chains)]
#![feature(trait_upcasting)]
#![feature(rustc_attrs)]
#![allow(internal_features)]
#![feature(rustdoc_internals)]
#![feature(trait_upcasting)]
// tidy-alphabetical-end
mod async_fn_in_trait;
pub mod builtin;

2
compiler/rustc_lint_defs/src/lib.rs
View file

@ -1,3 +1,4 @@
// tidy-alphabetical-start
pub use self::Level::*;
use rustc_ast::node_id::NodeId;
use rustc_ast::{AttrId, Attribute};
@ -14,6 +15,7 @@
use rustc_span::symbol::MacroRulesNormalizedIdent;
use rustc_span::{sym, symbol::Ident, Span, Symbol};
use rustc_target::spec::abi::Abi;
// tidy-alphabetical-end
use serde::{Deserialize, Serialize};

4
compiler/rustc_llvm/src/lib.rs
View file

@ -1,7 +1,9 @@
// tidy-alphabetical-start
#![allow(internal_features)]
#![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
#![doc(rust_logo)]
#![feature(rustdoc_internals)]
#![allow(internal_features)]
// tidy-alphabetical-end
// NOTE: This crate only exists to allow linking on mingw targets.

6
compiler/rustc_macros/src/lib.rs
View file

@ -1,3 +1,6 @@
// tidy-alphabetical-start
#![allow(internal_features)]
#![allow(rustc::default_hash_types)]
#![feature(allow_internal_unstable)]
#![feature(if_let_guard)]
#![feature(let_chains)]
@ -5,8 +8,7 @@
#![feature(proc_macro_diagnostic)]
#![feature(proc_macro_span)]
#![feature(proc_macro_tracked_env)]
#![allow(rustc::default_hash_types)]
#![allow(internal_features)]
// tidy-alphabetical-end
use synstructure::decl_derive;

2
compiler/rustc_mir_build/src/lib.rs
View file

@ -1,5 +1,6 @@
//! Construction of MIR from HIR.
// tidy-alphabetical-start
#![allow(rustc::diagnostic_outside_of_impl)]
#![allow(rustc::untranslatable_diagnostic)]
#![feature(assert_matches)]
@ -7,6 +8,7 @@
#![feature(if_let_guard)]
#![feature(let_chains)]
#![feature(try_blocks)]
// tidy-alphabetical-end
mod build;
mod check_unsafety;

2
compiler/rustc_mir_dataflow/src/lib.rs
View file

@ -1,8 +1,10 @@
// tidy-alphabetical-start
#![feature(associated_type_defaults)]
#![feature(box_patterns)]
#![feature(exact_size_is_empty)]
#![feature(let_chains)]
#![feature(try_blocks)]
// tidy-alphabetical-end
use rustc_middle::ty;

4
compiler/rustc_mir_transform/src/lib.rs
View file

@ -1,8 +1,10 @@
// tidy-alphabetical-start
#![feature(assert_matches)]
#![feature(box_patterns)]
#![feature(const_type_name)]
#![feature(cow_is_borrowed)]
#![feature(decl_macro)]
#![feature(if_let_guard)]
#![feature(impl_trait_in_assoc_type)]
#![feature(is_sorted)]
#![feature(let_chains)]
@ -12,7 +14,7 @@
#![feature(round_char_boundary)]
#![feature(try_blocks)]
#![feature(yeet_expr)]
#![feature(if_let_guard)]
// tidy-alphabetical-end
#[macro_use]
extern crate tracing;

2
compiler/rustc_monomorphize/src/lib.rs
View file

@ -1,5 +1,7 @@
// tidy-alphabetical-start
#![feature(array_windows)]
#![feature(is_sorted)]
// tidy-alphabetical-end
use rustc_hir::lang_items::LangItem;
use rustc_middle::bug;

2
compiler/rustc_parse/src/lib.rs
View file

@ -1,5 +1,6 @@
//! The main parser interface.
// tidy-alphabetical-start
#![allow(internal_features)]
#![allow(rustc::diagnostic_outside_of_impl)]
#![allow(rustc::untranslatable_diagnostic)]
@ -9,6 +10,7 @@
#![feature(if_let_guard)]
#![feature(iter_intersperse)]
#![feature(let_chains)]
// tidy-alphabetical-end
use rustc_ast as ast;
use rustc_ast::token;

8
compiler/rustc_parse_format/src/lib.rs
View file

@ -4,14 +4,16 @@
//! Parsing does not happen at runtime: structures of `std::fmt::rt` are
//! generated instead.
// tidy-alphabetical-start
// We want to be able to build this crate with a stable compiler,
// so no `#![feature]` attributes should be added.
#![deny(unstable_features)]
#![doc(
html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/",
html_playground_url = "https://play.rust-lang.org/",
test(attr(deny(warnings)))
)]
// We want to be able to build this crate with a stable compiler,
// so no `#![feature]` attributes should be added.
#![deny(unstable_features)]
// tidy-alphabetical-end
use rustc_lexer::unescape;
pub use Alignment::*;

6
compiler/rustc_passes/src/lib.rs
View file

@ -4,13 +4,15 @@
//!
//! This API is completely unstable and subject to change.
// tidy-alphabetical-start
#![allow(internal_features)]
#![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
#![doc(rust_logo)]
#![feature(rustdoc_internals)]
#![allow(internal_features)]
#![feature(let_chains)]
#![feature(map_try_insert)]
#![feature(rustdoc_internals)]
#![feature(try_blocks)]
// tidy-alphabetical-end
use rustc_middle::query::Providers;

4
compiler/rustc_pattern_analysis/src/lib.rs
View file

@ -1,7 +1,9 @@
//! Analysis of patterns, notably match exhaustiveness checking.
#![allow(rustc::untranslatable_diagnostic)]
// tidy-alphabetical-start
#![allow(rustc::diagnostic_outside_of_impl)]
#![allow(rustc::untranslatable_diagnostic)]
// tidy-alphabetical-end
pub mod constructor;
#[cfg(feature = "rustc")]

8
compiler/rustc_privacy/src/lib.rs
View file

@ -1,10 +1,12 @@
// tidy-alphabetical-start
#![allow(internal_features)]
#![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
#![doc(rust_logo)]
#![feature(rustdoc_internals)]
#![allow(internal_features)]
#![feature(associated_type_defaults)]
#![feature(try_blocks)]
#![feature(let_chains)]
#![feature(rustdoc_internals)]
#![feature(try_blocks)]
// tidy-alphabetical-end
mod errors;

8
compiler/rustc_query_impl/src/lib.rs
View file

@ -1,12 +1,14 @@
//! Support for serializing the dep-graph and reloading it.
// tidy-alphabetical-start
#![allow(internal_features)]
#![allow(rustc::potential_query_instability, unused_parens)]
#![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
#![doc(rust_logo)]
#![feature(rustdoc_internals)]
#![feature(min_specialization)]
#![feature(rustc_attrs)]
#![allow(rustc::potential_query_instability, unused_parens)]
#![allow(internal_features)]
#![feature(rustdoc_internals)]
// tidy-alphabetical-end
use crate::plumbing::{__rust_begin_short_backtrace, encode_all_query_results, try_mark_green};
use crate::profiling_support::QueryKeyStringCache;

6
compiler/rustc_query_system/src/lib.rs
View file

@ -1,9 +1,11 @@
// tidy-alphabetical-start
#![allow(rustc::potential_query_instability, internal_features)]
#![feature(assert_matches)]
#![feature(core_intrinsics)]
#![feature(hash_raw_entry)]
#![feature(min_specialization)]
#![feature(let_chains)]
#![allow(rustc::potential_query_instability, internal_features)]
#![feature(min_specialization)]
// tidy-alphabetical-end
pub mod cache;
pub mod dep_graph;

6
compiler/rustc_sanitizers/src/lib.rs
View file

@ -1,7 +1,11 @@
#![feature(let_chains)]
//! Sanitizers support for the Rust compiler.
//!
//! This crate contains the source code for providing support for the sanitizers to the Rust
//! compiler.
// tidy-alphabetical-start
#![feature(let_chains)]
// tidy-alphabetical-end
pub mod cfi;
pub mod kcfi;

10
compiler/rustc_serialize/src/lib.rs
View file

@ -1,20 +1,22 @@
//! Support code for encoding and decoding types.
// tidy-alphabetical-start
#![allow(internal_features)]
#![allow(rustc::internal)]
#![cfg_attr(test, feature(test))]
#![doc(
html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/",
html_playground_url = "https://play.rust-lang.org/",
test(attr(allow(unused_variables), deny(warnings)))
)]
#![doc(rust_logo)]
#![allow(internal_features)]
#![feature(rustdoc_internals)]
#![feature(const_option)]
#![feature(core_intrinsics)]
#![feature(min_specialization)]
#![feature(never_type)]
#![feature(ptr_sub_ptr)]
#![cfg_attr(test, feature(test))]
#![allow(rustc::internal)]
#![feature(rustdoc_internals)]
// tidy-alphabetical-end
pub use self::serialize::{Decodable, Decoder, Encodable, Encoder};

8
compiler/rustc_session/src/lib.rs
View file

@ -1,9 +1,11 @@
// tidy-alphabetical-start
#![allow(internal_features)]
#![feature(iter_intersperse)]
#![feature(let_chains)]
#![feature(map_many_mut)]
#![feature(option_get_or_insert_default)]
#![feature(rustc_attrs)]
#![feature(map_many_mut)]
#![feature(iter_intersperse)]
#![allow(internal_features)]
// tidy-alphabetical-end
pub mod errors;

6
compiler/rustc_smir/src/lib.rs
View file

@ -6,14 +6,16 @@
//!
//! This API is still completely unstable and subject to change.
// tidy-alphabetical-start
#![allow(internal_features)]
#![allow(rustc::usage_of_ty_tykind)]
#![doc(
html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/",
test(attr(allow(unused_variables), deny(warnings)))
)]
#![doc(rust_logo)]
#![feature(rustdoc_internals)]
#![allow(internal_features)]
#![allow(rustc::usage_of_ty_tykind)]
// tidy-alphabetical-end
pub mod rustc_internal;

6
compiler/rustc_symbol_mangling/src/lib.rs
View file

@ -87,11 +87,13 @@
//! virtually impossible. Thus, symbol hash generation exclusively relies on
//! DefPaths which are much more robust in the face of changes to the code base.
// tidy-alphabetical-start
#![allow(internal_features)]
#![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
#![doc(rust_logo)]
#![feature(rustdoc_internals)]
#![feature(let_chains)]
#![allow(internal_features)]
#![feature(rustdoc_internals)]
// tidy-alphabetical-end
use rustc_hir::def::DefKind;
use rustc_hir::def_id::{CrateNum, LOCAL_CRATE};

47
compiler/rustc_target/src/abi/call/nvptx64.rs
View file

@ -1,23 +1,54 @@
use crate::abi::call::{ArgAbi, FnAbi, PassMode, Reg, Size, Uniform};
use crate::abi::{HasDataLayout, TyAbiInterface};
use super::{ArgAttribute, ArgAttributes, ArgExtension, CastTarget};
fn classify_ret<Ty>(ret: &mut ArgAbi<'_, Ty>) {
if ret.layout.is_aggregate() && ret.layout.size.bits() > 64 {
ret.make_indirect();
} else {
// FIXME: this is wrong! Need to decide which ABI we really want here.
ret.make_direct_deprecated();
if ret.layout.is_aggregate() && ret.layout.is_sized() {
classify_aggregate(ret)
} else if ret.layout.size.bits() < 32 && ret.layout.is_sized() {
ret.extend_integer_width_to(32);
}
}
fn classify_arg<Ty>(arg: &mut ArgAbi<'_, Ty>) {
if arg.layout.is_aggregate() {
arg.make_indirect_byval(None);
} else if arg.layout.size.bits() < 32 {
if arg.layout.is_aggregate() && arg.layout.is_sized() {
classify_aggregate(arg)
} else if arg.layout.size.bits() < 32 && arg.layout.is_sized() {
arg.extend_integer_width_to(32);
}
}
/// the pass mode used for aggregates in arg and ret position
fn classify_aggregate<Ty>(arg: &mut ArgAbi<'_, Ty>) {
let align_bytes = arg.layout.align.abi.bytes();
let size = arg.layout.size;
let reg = match align_bytes {
1 => Reg::i8(),
2 => Reg::i16(),
4 => Reg::i32(),
8 => Reg::i64(),
16 => Reg::i128(),
_ => unreachable!("Align is given as power of 2 no larger than 16 bytes"),
};
if align_bytes == size.bytes() {
arg.cast_to(CastTarget {
prefix: [Some(reg), None, None, None, None, None, None, None],
rest: Uniform::new(Reg::i8(), Size::from_bytes(0)),
attrs: ArgAttributes {
regular: ArgAttribute::default(),
arg_ext: ArgExtension::None,
pointee_size: Size::ZERO,
pointee_align: None,
},
});
} else {
arg.cast_to(Uniform::new(reg, size));
}
}
fn classify_arg_kernel<'a, Ty, C>(_cx: &C, arg: &mut ArgAbi<'a, Ty>)
where
Ty: TyAbiInterface<'a, C> + Copy,

8
compiler/rustc_trait_selection/src/lib.rs
View file

@ -10,12 +10,12 @@
//!
//! This API is completely unstable and subject to change.
#![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
#![doc(rust_logo)]
#![feature(rustdoc_internals)]
// tidy-alphabetical-start
#![allow(internal_features)]
#![allow(rustc::diagnostic_outside_of_impl)]
#![allow(rustc::untranslatable_diagnostic)]
#![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
#![doc(rust_logo)]
#![feature(assert_matches)]
#![feature(associated_type_defaults)]
#![feature(box_patterns)]
@ -24,8 +24,10 @@
#![feature(if_let_guard)]
#![feature(let_chains)]
#![feature(never_type)]
#![feature(rustdoc_internals)]
#![feature(type_alias_impl_trait)]
#![recursion_limit = "512"] // For rustdoc
// tidy-alphabetical-end
#[macro_use]
extern crate tracing;

41
compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs
View file

@ -4587,6 +4587,47 @@ fn ty_kind_suggestion(&self, param_env: ty::ParamEnv<'tcx>, ty: Ty<'tcx>) -> Opt
_ => "/* value */".to_string(),
})
}
fn suggest_add_result_as_return_type(
&self,
obligation: &PredicateObligation<'tcx>,
err: &mut Diag<'_>,
trait_ref: ty::PolyTraitRef<'tcx>,
) {
if ObligationCauseCode::QuestionMark != *obligation.cause.code().peel_derives() {
return;
}
let node = self.tcx.hir_node_by_def_id(obligation.cause.body_id);
if let hir::Node::Item(item) = node
&& let hir::ItemKind::Fn(sig, _, body_id) = item.kind
&& let hir::FnRetTy::DefaultReturn(ret_span) = sig.decl.output
&& self.tcx.is_diagnostic_item(sym::FromResidual, trait_ref.def_id())
&& let ty::Tuple(l) = trait_ref.skip_binder().args.type_at(0).kind()
&& l.len() == 0
&& let ty::Adt(def, _) = trait_ref.skip_binder().args.type_at(1).kind()
&& self.tcx.is_diagnostic_item(sym::Result, def.did())
{
let body = self.tcx.hir().body(body_id);
let mut sugg_spans =
vec![(ret_span, " -> Result<(), Box<dyn std::error::Error>>".to_string())];
if let hir::ExprKind::Block(b, _) = body.value.kind
&& b.expr.is_none()
{
sugg_spans.push((
// The span will point to the closing curly brace `}` of the block.
b.span.shrink_to_hi().with_lo(b.span.hi() - BytePos(1)),
"\n Ok(())\n}".to_string(),
));
}
err.multipart_suggestion_verbose(
format!("consider adding return type"),
sugg_spans,
Applicability::MaybeIncorrect,
);
}
}
}
/// Add a hint to add a missing borrow or remove an unnecessary one.

4
compiler/rustc_trait_selection/src/traits/error_reporting/type_err_ctxt_ext.rs
View file

@ -611,6 +611,10 @@ fn report_selection_error(
&mut err,
trait_predicate,
);
self.suggest_add_result_as_return_type(&obligation,
&mut err,
trait_ref);
if self.suggest_add_reference_to_arg(
&obligation,
&mut err,

2
compiler/rustc_traits/src/lib.rs
View file

@ -1,6 +1,8 @@
//! Queries that are independent from the main solver code.
// tidy-alphabetical-start
#![recursion_limit = "256"]
// tidy-alphabetical-end
mod codegen;
mod dropck_outlives;

4
compiler/rustc_transmute/src/lib.rs
View file

@ -1,6 +1,8 @@
// tidy-alphabetical-start
#![allow(unused_variables)]
#![feature(alloc_layout_extra)]
#![feature(never_type)]
#![allow(unused_variables)]
// tidy-alphabetical-end
pub(crate) use rustc_data_structures::fx::{FxIndexMap as Map, FxIndexSet as Set};

6
compiler/rustc_ty_utils/src/lib.rs
View file

@ -4,10 +4,10 @@
//!
//! This API is completely unstable and subject to change.
// tidy-alphabetical-start
#![allow(internal_features)]
#![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
#![doc(rust_logo)]
#![feature(rustdoc_internals)]
#![allow(internal_features)]
#![feature(assert_matches)]
#![feature(associated_type_defaults)]
#![feature(box_patterns)]
@ -15,6 +15,8 @@
#![feature(iterator_try_collect)]
#![feature(let_chains)]
#![feature(never_type)]
#![feature(rustdoc_internals)]
// tidy-alphabetical-end
use rustc_middle::query::Providers;

4
compiler/rustc_type_ir/src/lib.rs
View file

@ -1,9 +1,11 @@
// tidy-alphabetical-start
#![allow(rustc::usage_of_ty_tykind)]
#![cfg_attr(
feature = "nightly",
feature(associated_type_defaults, min_specialization, never_type, rustc_attrs, negative_impls)
)]
#![allow(rustc::usage_of_ty_tykind)]
#![cfg_attr(feature = "nightly", allow(internal_features))]
// tidy-alphabetical-end
#[cfg(feature = "nightly")]
extern crate self as rustc_type_ir;

6
library/core/src/array/mod.rs
View file

@ -533,11 +533,9 @@ macro_rules! array_impl_default {
/// assert_eq!(c, Some(a));
/// ```
#[unstable(feature = "array_try_map", issue = "79711")]
pub fn try_map<F, R>(self, f: F) -> ChangeOutputType<R, [R::Output; N]>
pub fn try_map<R>(self, f: impl FnMut(T) -> R) -> ChangeOutputType<R, [R::Output; N]>
where
F: FnMut(T) -> R,
R: Try,
R::Residual: Residual<[R::Output; N]>,
R: Try<Residual: Residual<[R::Output; N]>>,
{
drain_array_with(self, |iter| try_from_trusted_iterator(iter.map(f)))
}

4
library/core/src/ops/try_trait.rs
View file

@ -363,7 +363,9 @@ pub trait Residual<O> {
}
#[unstable(feature = "pub_crate_should_not_need_unstable_attr", issue = "none")]
pub(crate) type ChangeOutputType<T, V> = <<T as Try>::Residual as Residual<V>>::TryType;
#[allow(type_alias_bounds)]
pub(crate) type ChangeOutputType<T: Try<Residual: Residual<V>>, V> =
<T::Residual as Residual<V>>::TryType;
/// An adapter for implementing non-try methods via the `Try` implementation.
///

38
library/core/src/ptr/const_ptr.rs
View file

@ -330,7 +330,7 @@ pub const fn to_raw_parts(self) -> (*const (), <T as super::Pointee>::Metadata)
///
/// unsafe {
/// if let Some(val_back) = ptr.as_ref() {
/// println!("We got back the value: {val_back}!");
/// assert_eq!(val_back, &10);
/// }
/// }
/// ```
@ -346,7 +346,7 @@ pub const fn to_raw_parts(self) -> (*const (), <T as super::Pointee>::Metadata)
///
/// unsafe {
/// let val_back = &*ptr;
/// println!("We got back the value: {val_back}!");
/// assert_eq!(val_back, &10);
/// }
/// ```
#[stable(feature = "ptr_as_ref", since = "1.9.0")]
@ -393,7 +393,7 @@ pub const fn to_raw_parts(self) -> (*const (), <T as super::Pointee>::Metadata)
/// let ptr: *const u8 = &10u8 as *const u8;
///
/// unsafe {
/// println!("We got back the value: {}!", ptr.as_ref_unchecked());
/// assert_eq!(ptr.as_ref_unchecked(), &10);
/// }
/// ```
// FIXME: mention it in the docs for `as_ref` and `as_uninit_ref` once stabilized.
@ -439,7 +439,7 @@ pub const fn to_raw_parts(self) -> (*const (), <T as super::Pointee>::Metadata)
///
/// unsafe {
/// if let Some(val_back) = ptr.as_uninit_ref() {
/// println!("We got back the value: {}!", val_back.assume_init());
/// assert_eq!(val_back.assume_init(), 10);
/// }
/// }
/// ```
@ -501,8 +501,8 @@ pub const fn to_raw_parts(self) -> (*const (), <T as super::Pointee>::Metadata)
/// let ptr: *const u8 = s.as_ptr();
///
/// unsafe {
/// println!("{}", *ptr.offset(1) as char);
/// println!("{}", *ptr.offset(2) as char);
/// assert_eq!(*ptr.offset(1) as char, '2');
/// assert_eq!(*ptr.offset(2) as char, '3');
/// }
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
@ -573,19 +573,21 @@ pub const fn to_raw_parts(self) -> (*const (), <T as super::Pointee>::Metadata)
/// # Examples
///
/// ```
/// # use std::fmt::Write;
/// // Iterate using a raw pointer in increments of two elements
/// let data = [1u8, 2, 3, 4, 5];
/// let mut ptr: *const u8 = data.as_ptr();
/// let step = 2;
/// let end_rounded_up = ptr.wrapping_offset(6);
///
/// // This loop prints "1, 3, 5, "
/// let mut out = String::new();
/// while ptr != end_rounded_up {
/// unsafe {
/// print!("{}, ", *ptr);
/// write!(&mut out, "{}, ", *ptr).unwrap();
/// }
/// ptr = ptr.wrapping_offset(step);
/// }
/// assert_eq!(out.as_str(), "1, 3, 5, ");
/// ```
#[stable(feature = "ptr_wrapping_offset", since = "1.16.0")]
#[must_use = "returns a new pointer rather than modifying its argument"]
@ -988,8 +990,8 @@ pub const fn guaranteed_ne(self, other: *const T) -> Option<bool>
/// let ptr: *const u8 = s.as_ptr();
///
/// unsafe {
/// println!("{}", *ptr.add(1) as char);
/// println!("{}", *ptr.add(2) as char);
/// assert_eq!(*ptr.add(1), b'2');
/// assert_eq!(*ptr.add(2), b'3');
/// }
/// ```
#[stable(feature = "pointer_methods", since = "1.26.0")]
@ -1073,8 +1075,8 @@ pub const fn guaranteed_ne(self, other: *const T) -> Option<bool>
///
/// unsafe {
/// let end: *const u8 = s.as_ptr().add(3);
/// println!("{}", *end.sub(1) as char);
/// println!("{}", *end.sub(2) as char);
/// assert_eq!(*end.sub(1), b'3');
/// assert_eq!(*end.sub(2), b'2');
/// }
/// ```
#[stable(feature = "pointer_methods", since = "1.26.0")]
@ -1155,19 +1157,21 @@ pub const fn guaranteed_ne(self, other: *const T) -> Option<bool>
/// # Examples
///
/// ```
/// # use std::fmt::Write;
/// // Iterate using a raw pointer in increments of two elements
/// let data = [1u8, 2, 3, 4, 5];
/// let mut ptr: *const u8 = data.as_ptr();
/// let step = 2;
/// let end_rounded_up = ptr.wrapping_add(6);
///
/// // This loop prints "1, 3, 5, "
/// let mut out = String::new();
/// while ptr != end_rounded_up {
/// unsafe {
/// print!("{}, ", *ptr);
/// write!(&mut out, "{}, ", *ptr).unwrap();
/// }
/// ptr = ptr.wrapping_add(step);
/// }
/// assert_eq!(out, "1, 3, 5, ");
/// ```
#[stable(feature = "pointer_methods", since = "1.26.0")]
#[must_use = "returns a new pointer rather than modifying its argument"]
@ -1234,19 +1238,21 @@ pub const fn wrapping_byte_add(self, count: usize) -> Self {
/// # Examples
///
/// ```
/// # use std::fmt::Write;
/// // Iterate using a raw pointer in increments of two elements (backwards)
/// let data = [1u8, 2, 3, 4, 5];
/// let mut ptr: *const u8 = data.as_ptr();
/// let start_rounded_down = ptr.wrapping_sub(2);
/// ptr = ptr.wrapping_add(4);
/// let step = 2;
/// // This loop prints "5, 3, 1, "
/// let mut out = String::new();
/// while ptr != start_rounded_down {
/// unsafe {
/// print!("{}, ", *ptr);
/// write!(&mut out, "{}, ", *ptr).unwrap();
/// }
/// ptr = ptr.wrapping_sub(step);
/// }
/// assert_eq!(out, "5, 3, 1, ");
/// ```
#[stable(feature = "pointer_methods", since = "1.26.0")]
#[must_use = "returns a new pointer rather than modifying its argument"]

33
library/core/src/slice/raw.rs
View file

@ -82,6 +82,39 @@
/// }
/// ```
///
/// ### FFI: Handling null pointers
///
/// In languages such as C++, pointers to empty collections are not guaranteed to be non-null.
/// When accepting such pointers, they have to be checked for null-ness to avoid undefined
/// behavior.
///
/// ```
/// use std::slice;
///
/// /// Sum the elements of an FFI slice.
/// ///
/// /// # Safety
/// ///
/// /// If ptr is not NULL, it must be correctly aligned and
/// /// point to `len` initialized items of type `f32`.
/// unsafe extern "C" fn sum_slice(ptr: *const f32, len: usize) -> f32 {
/// let data = if ptr.is_null() {
/// // `len` is assumed to be 0.
/// &[]
/// } else {
/// // SAFETY: see function docstring.
/// unsafe { slice::from_raw_parts(ptr, len) }
/// };
/// data.into_iter().sum()
/// }
///
/// // This could be the result of C++'s std::vector::data():
/// let ptr = std::ptr::null();
/// // And this could be std::vector::size():
/// let len = 0;
/// assert_eq!(unsafe { sum_slice(ptr, len) }, 0.0);
/// ```
///
/// [valid]: ptr#safety
/// [`NonNull::dangling()`]: ptr::NonNull::dangling
#[inline]

12
library/std/src/env.rs
View file

@ -323,8 +323,10 @@ fn description(&self) -> &str {
/// This function is also always safe to call on Windows, in single-threaded
/// and multi-threaded programs.
///
/// In multi-threaded programs on other operating systems, we strongly suggest
/// not using `set_var` or `remove_var` at all. The exact requirement is: you
/// In multi-threaded programs on other operating systems, the only safe option is
/// to not use `set_var` or `remove_var` at all.
///
/// The exact requirement is: you
/// must ensure that there are no other threads concurrently writing or
/// *reading*(!) the environment through functions or global variables other
/// than the ones in this module. The problem is that these operating systems
@ -390,8 +392,10 @@ unsafe fn _set_var(key: &OsStr, value: &OsStr) {
/// This function is also always safe to call on Windows, in single-threaded
/// and multi-threaded programs.
///
/// In multi-threaded programs on other operating systems, we strongly suggest
/// not using `set_var` or `remove_var` at all. The exact requirement is: you
/// In multi-threaded programs on other operating systems, the only safe option is
/// to not use `set_var` or `remove_var` at all.
///
/// The exact requirement is: you
/// must ensure that there are no other threads concurrently writing or
/// *reading*(!) the environment through functions or global variables other
/// than the ones in this module. The problem is that these operating systems

4
library/std/src/sys/pal/windows/rand.rs
View file

@ -1,6 +1,6 @@
use core::{mem, ptr};
use crate::sys::c;
use core::mem;
use core::ptr;
#[cfg(not(target_vendor = "win7"))]
#[inline]

3
library/std/src/sys_common/wtf8.rs
View file

@ -477,6 +477,9 @@ pub fn from_box(boxed: Box<Wtf8>) -> Wtf8Buf {
/// Part of a hack to make PathBuf::push/pop more efficient.
#[inline]
pub(crate) fn as_mut_vec_for_path_buf(&mut self) -> &mut Vec<u8> {
// FIXME: this function should not even exist, as it implies violating Wtf8Buf invariants
// For now, simply assume that is about to happen.
self.is_known_utf8 = false;
&mut self.bytes
}
}

14
library/std/tests/windows.rs Normal file
View file

@ -0,0 +1,14 @@
#![cfg(windows)]
//! An external tests
use std::{ffi::OsString, os::windows::ffi::OsStringExt, path::PathBuf};
#[test]
#[should_panic]
fn os_string_must_know_it_isnt_utf8_issue_126291() {
let mut utf8 = PathBuf::from(OsString::from("utf8".to_owned()));
let non_utf8: OsString =
OsStringExt::from_wide(&[0x6e, 0x6f, 0x6e, 0xd800, 0x75, 0x74, 0x66, 0x38]);
utf8.set_extension(&non_utf8);
utf8.into_os_string().into_string().unwrap();
}

13
src/doc/rustc/src/symbol-mangling/v0.md
View file

@ -150,6 +150,15 @@ the *[disambiguator]* is used to make the name unique across the crate graph.
> ```
>
> Recommended demangling: `mycrate::example`
>
> Note: The compiler may re-use the *crate-root* form to express arbitrary
> unscoped, undisambiguated identifiers, such as for new basic types that have
> not been added to the grammar yet. To achieve that, it will emit a *crate-root*
> without an explicit disambiguator, relying on the fact that such an
> undisambiguated crate name cannot occur in practice. For example, the basic
> type `f128` would be encode as `C4f128`. For this to have the desired effect,
> demanglers are expected to never render zero disambiguators of crate roots.
> I.e. `C4f128` is expected to be displayed as `f128` and not `f128[0]`.
### Path: Inherent impl
[inherent-impl]: #path-inherent-impl
@ -539,6 +548,10 @@ This allows disambiguators that are encoded sequentially to use minimal bytes.
> **Recommended Demangling**
>
> The *disambiguator* may or may not be displayed; see recommendations for rules that use *disambiguator*.
> Generally, it is recommended that zero disambiguators are never displayed unless their accompanying
> identifier is empty (like is the case for unnamed items such as closures).
> When rendering a disambiguator, it can be shortened to a length reasonable for the context,
> similar to how git commit hashes are rarely displayed in full.
## Lifetime
[lifetime]: #lifetime

5
src/tools/compiletest/src/header.rs
View file

@ -1281,6 +1281,7 @@ fn expand_variables(mut value: String, config: &Config) -> String {
const BUILD_BASE: &str = "{{build-base}}";
const SYSROOT_BASE: &str = "{{sysroot-base}}";
const TARGET_LINKER: &str = "{{target-linker}}";
const TARGET: &str = "{{target}}";
if value.contains(CWD) {
let cwd = env::current_dir().unwrap();
@ -1303,6 +1304,10 @@ fn expand_variables(mut value: String, config: &Config) -> String {
value = value.replace(TARGET_LINKER, config.target_linker.as_deref().unwrap_or(""));
}
if value.contains(TARGET) {
value = value.replace(TARGET, &config.target);
}
value
}

1
src/tools/tidy/src/allowed_run_make_makefiles.txt
View file

@ -175,7 +175,6 @@ run-make/pgo-gen/Makefile
run-make/pgo-indirect-call-promotion/Makefile
run-make/pgo-use/Makefile
run-make/pointer-auth-link-with-c/Makefile
run-make/prefer-rlib/Makefile
run-make/pretty-print-to-file/Makefile
run-make/pretty-print-with-dep-file/Makefile
run-make/print-calling-conventions/Makefile

6
src/tools/tidy/src/target_specific_tests.rs
View file

@ -53,9 +53,9 @@ pub fn check(path: &Path, bad: &mut bool) {
} else if directive.starts_with(COMPILE_FLAGS_HEADER) {
let compile_flags = &directive[COMPILE_FLAGS_HEADER.len()..];
if let Some((_, v)) = compile_flags.split_once("--target") {
if let Some((arch, _)) =
v.trim_start_matches(|c| c == ' ' || c == '=').split_once("-")
{
let v = v.trim_start_matches(|c| c == ' ' || c == '=');
let v = if v == "{{target}}" { Some((v, v)) } else { v.split_once("-") };
if let Some((arch, _)) = v {
let info = header_map.entry(revision).or_insert(RevisionInfo::default());
info.target_arch.replace(arch);
} else {

10
tests/assembly/nvptx-c-abi-arg-v7.rs
View file

@ -40,6 +40,11 @@ pub struct TripleU16 {
h: u16,
}
#[repr(C)]
pub struct DoubleI32 {
f: i32,
g: i32,
}
#[repr(C)]
pub struct TripleU32 {
f: u32,
g: u32,
@ -175,6 +180,11 @@ pub struct ManyNumerics {
#[no_mangle]
pub unsafe extern "C" fn f_triple_u32_arg(_a: TripleU32) {}
// CHECK: .visible .func f_double_i32_arg(
// CHECK: .param .align 4 .b8 f_double_i32_arg_param_0[8]
#[no_mangle]
pub unsafe extern "C" fn f_double_i32_arg(_a: DoubleI32) {}
// CHECK: .visible .func f_triple_u64_arg(
// CHECK: .param .align 8 .b8 f_triple_u64_arg_param_0[24]
#[no_mangle]

12
tests/assembly/nvptx-c-abi-ret-v7.rs
View file

@ -1,7 +1,6 @@
//@ assembly-output: ptx-linker
//@ compile-flags: --crate-type cdylib -C target-cpu=sm_86 -Z unstable-options -Clinker-flavor=llbc
//@ only-nvptx64
//@ ignore-nvptx64
// The PTX ABI stability is tied to major versions of the PTX ISA
// These tests assume major version 7
@ -41,6 +40,11 @@ pub struct TripleU16 {
h: u16,
}
#[repr(C)]
pub struct DoubleI32 {
f: i32,
g: i32,
}
#[repr(C)]
pub struct TripleU32 {
f: u32,
g: u32,
@ -187,6 +191,12 @@ pub struct ManyNumerics {
TripleU16 { f: 18, g: 19, h: 20 }
}
// CHECK: .visible .func (.param .align 4 .b8 func_retval0[8]) f_double_i32_ret(
#[no_mangle]
pub unsafe extern "C" fn f_double_i32_ret() -> DoubleI32 {
DoubleI32 { f: 1, g: 2 }
}
// CHECK: .visible .func (.param .align 4 .b8 func_retval0[12]) f_triple_u32_ret(
#[no_mangle]
pub unsafe extern "C" fn f_triple_u32_ret() -> TripleU32 {

10
tests/assembly/nvptx-kernel-abi/nvptx-kernel-args-abi-v7.rs
View file

@ -50,6 +50,11 @@ pub struct TripleU16 {
h: u16,
}
#[repr(C)]
pub struct DoubleI32 {
f: i32,
g: i32,
}
#[repr(C)]
pub struct TripleU32 {
f: u32,
g: u32,
@ -180,6 +185,11 @@ pub struct ManyNumerics {
#[no_mangle]
pub unsafe extern "ptx-kernel" fn f_triple_u16_arg(_a: TripleU16) {}
// CHECK: .visible .entry f_double_i32_arg(
// CHECK: .param .align 4 .b8 f_double_i32_arg_param_0[8]
#[no_mangle]
pub unsafe extern "ptx-kernel" fn f_double_i32_arg(_a: DoubleI32) {}
// CHECK: .visible .entry f_triple_u32_arg(
// CHECK: .param .align 4 .b8 f_triple_u32_arg_param_0[12]
#[no_mangle]

21
tests/codegen/issues/issue-122805.rs
View file

@ -39,17 +39,20 @@
// OPT3WINX64-NEXT: store <8 x i16>
// CHECK-NEXT: ret void
#[no_mangle]
#[cfg(target_endian = "little")]
pub fn convert(value: [u16; 8]) -> [u8; 16] {
#[cfg(target_endian = "little")]
let bswap = u16::to_be;
#[cfg(target_endian = "big")]
let bswap = u16::to_le;
let addr16 = [
value[0].to_be(),
value[1].to_be(),
value[2].to_be(),
value[3].to_be(),
value[4].to_be(),
value[5].to_be(),
value[6].to_be(),
value[7].to_be(),
bswap(value[0]),
bswap(value[1]),
bswap(value[2]),
bswap(value[3]),
bswap(value[4]),
bswap(value[5]),
bswap(value[6]),
bswap(value[7]),
];
unsafe { core::mem::transmute::<_, [u8; 16]>(addr16) }
}

6
tests/run-make/prefer-dylib/rmake.rs
View file

@ -1,8 +1,6 @@
//@ ignore-cross-compile
use run_make_support::{cwd, dynamic_lib_name, read_dir, run, run_fail, rustc};
use std::fs::remove_file;
use std::process::Command;
use run_make_support::{cwd, dynamic_lib_name, fs_wrapper, read_dir, run, run_fail, rustc};
fn main() {
rustc().input("bar.rs").crate_type("dylib").crate_type("rlib").arg("-Cprefer-dynamic").run();
@ -10,7 +8,7 @@ fn main() {
run("foo");
remove_file(dynamic_lib_name("bar")).unwrap();
fs_wrapper::remove_file(dynamic_lib_name("bar"));
// This time the command should fail.
run_fail("foo");
}

9
tests/run-make/prefer-rlib/Makefile
View file

@ -1,9 +0,0 @@
# ignore-cross-compile
include ../tools.mk
all:
$(RUSTC) bar.rs --crate-type=dylib --crate-type=rlib
ls $(TMPDIR)/$(call RLIB_GLOB,bar)
$(RUSTC) foo.rs
rm $(TMPDIR)/*bar*
$(call RUN,foo)

15
tests/run-make/prefer-rlib/rmake.rs Normal file
View file

@ -0,0 +1,15 @@
// Check that `foo.rs` prefers to link to `bar` statically, and can be executed even if the `bar`
// library artifacts are removed.
//@ ignore-cross-compile
use run_make_support::{dynamic_lib_name, fs_wrapper, path, run, rust_lib_name, rustc};
fn main() {
rustc().input("bar.rs").crate_type("dylib").crate_type("rlib").run();
assert!(path(rust_lib_name("bar")).exists());
rustc().input("foo.rs").run();
fs_wrapper::remove_file(rust_lib_name("bar"));
fs_wrapper::remove_file(dynamic_lib_name("bar"));
run("foo");
}

10
tests/ui/abi/compatibility.rs
View file

@ -55,13 +55,9 @@
//@ revisions: csky
//@[csky] compile-flags: --target csky-unknown-linux-gnuabiv2
//@[csky] needs-llvm-components: csky
// FIXME: disabled on nvptx64 since the target ABI fails the sanity check
// see https://github.com/rust-lang/rust/issues/117480
/* revisions: nvptx64
[nvptx64] compile-flags: --target nvptx64-nvidia-cuda
[nvptx64] needs-llvm-components: nvptx
*/
//@ revisions: nvptx64
//@[nvptx64] compile-flags: --target nvptx64-nvidia-cuda
//@[nvptx64] needs-llvm-components: nvptx
#![feature(rustc_attrs, unsized_fn_params, transparent_unions)]
#![cfg_attr(not(host), feature(no_core, lang_items), no_std, no_core)]
#![allow(unused, improper_ctypes_definitions, internal_features)]

4
tests/ui/associated-inherent-types/assoc-inherent-private.stderr
View file

@ -2,7 +2,7 @@ error[E0624]: associated type `P` is private
--> $DIR/assoc-inherent-private.rs:10:10
|
LL | type P = ();
| ------ associated type defined here
| ------ the associated type is defined here
...
LL | type U = m::T::P;
| ^^^^^^^ private associated type
@ -11,7 +11,7 @@ error[E0624]: associated type `P` is private
--> $DIR/assoc-inherent-private.rs:21:10
|
LL | pub(super) type P = bool;
| ----------------- associated type defined here
| ----------------- the associated type is defined here
...
LL | type V = n::n::T::P;
| ^^^^^^^^^^ private associated type

1
tests/ui/mir/lint/storage-live.rs
View file

@ -5,6 +5,7 @@
//@ normalize-stderr-test "note: .*\n\n" -> ""
//@ normalize-stderr-test "thread 'rustc' panicked.*\n" -> ""
//@ normalize-stderr-test "storage_live\[....\]" -> "storage_live[HASH]"
//@ normalize-stderr-test "(delayed at [^:]+):\d+:\d+ - " -> "$1:LL:CC - "
//@ rustc-env:RUST_BACKTRACE=0
#![feature(custom_mir, core_intrinsics)]

6
tests/ui/mir/lint/storage-live.stderr
View file

@ -1,12 +1,12 @@
error: internal compiler error: broken MIR in Item(DefId(0:8 ~ storage_live[HASH]::multiple_storage)) (after pass CheckPackedRef) at bb0[1]:
StorageLive(_1) which already has storage here
--> $DIR/storage-live.rs:22:13
--> $DIR/storage-live.rs:23:13
|
LL | StorageLive(a);
| ^^^^^^^^^^^^^^
|
note: delayed at compiler/rustc_mir_transform/src/lint.rs:97:26 - disabled backtrace
--> $DIR/storage-live.rs:22:13
note: delayed at compiler/rustc_mir_transform/src/lint.rs:LL:CC - disabled backtrace
--> $DIR/storage-live.rs:23:13
|
LL | StorageLive(a);
| ^^^^^^^^^^^^^^

42
tests/ui/return/return-from-residual-sugg-issue-125997.fixed Normal file
View file

@ -0,0 +1,42 @@
//@ run-rustfix
#![allow(unused_imports)]
#![allow(dead_code)]
use std::fs::File;
use std::io::prelude::*;
fn test1() -> Result<(), Box<dyn std::error::Error>> {
let mut _file = File::create("foo.txt")?;
//~^ ERROR the `?` operator can only be used in a function
Ok(())
}
fn test2() -> Result<(), Box<dyn std::error::Error>> {
let mut _file = File::create("foo.txt")?;
//~^ ERROR the `?` operator can only be used in a function
println!();
Ok(())
}
macro_rules! mac {
() => {
fn test3() -> Result<(), Box<dyn std::error::Error>> {
let mut _file = File::create("foo.txt")?;
//~^ ERROR the `?` operator can only be used in a function
println!();
Ok(())
}
};
}
fn main() -> Result<(), Box<dyn std::error::Error>> {
let mut _file = File::create("foo.txt")?;
//~^ ERROR the `?` operator can only be used in a function
mac!();
Ok(())
}

34
tests/ui/return/return-from-residual-sugg-issue-125997.rs Normal file
View file

@ -0,0 +1,34 @@
//@ run-rustfix
#![allow(unused_imports)]
#![allow(dead_code)]
use std::fs::File;
use std::io::prelude::*;
fn test1() {
let mut _file = File::create("foo.txt")?;
//~^ ERROR the `?` operator can only be used in a function
}
fn test2() {
let mut _file = File::create("foo.txt")?;
//~^ ERROR the `?` operator can only be used in a function
println!();
}
macro_rules! mac {
() => {
fn test3() {
let mut _file = File::create("foo.txt")?;
//~^ ERROR the `?` operator can only be used in a function
println!();
}
};
}
fn main() {
let mut _file = File::create("foo.txt")?;
//~^ ERROR the `?` operator can only be used in a function
mac!();
}

86
tests/ui/return/return-from-residual-sugg-issue-125997.stderr Normal file
View file

@ -0,0 +1,86 @@
error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
--> $DIR/return-from-residual-sugg-issue-125997.rs:10:44
|
LL | fn test1() {
| ---------- this function should return `Result` or `Option` to accept `?`
LL | let mut _file = File::create("foo.txt")?;
| ^ cannot use the `?` operator in a function that returns `()`
|
= help: the trait `FromResidual<Result<Infallible, std::io::Error>>` is not implemented for `()`
help: consider adding return type
|
LL ~ fn test1() -> Result<(), Box<dyn std::error::Error>> {
LL | let mut _file = File::create("foo.txt")?;
LL |
LL +
LL + Ok(())
LL + }
|
error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
--> $DIR/return-from-residual-sugg-issue-125997.rs:15:44
|
LL | fn test2() {
| ---------- this function should return `Result` or `Option` to accept `?`
LL | let mut _file = File::create("foo.txt")?;
| ^ cannot use the `?` operator in a function that returns `()`
|
= help: the trait `FromResidual<Result<Infallible, std::io::Error>>` is not implemented for `()`
help: consider adding return type
|
LL ~ fn test2() -> Result<(), Box<dyn std::error::Error>> {
LL | let mut _file = File::create("foo.txt")?;
LL |
LL | println!();
LL +
LL + Ok(())
LL + }
|
error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
--> $DIR/return-from-residual-sugg-issue-125997.rs:31:44
|
LL | fn main() {
| --------- this function should return `Result` or `Option` to accept `?`
LL | let mut _file = File::create("foo.txt")?;
| ^ cannot use the `?` operator in a function that returns `()`
|
= help: the trait `FromResidual<Result<Infallible, std::io::Error>>` is not implemented for `()`
help: consider adding return type
|
LL ~ fn main() -> Result<(), Box<dyn std::error::Error>> {
LL | let mut _file = File::create("foo.txt")?;
LL |
LL | mac!();
LL +
LL + Ok(())
LL + }
|
error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`)
--> $DIR/return-from-residual-sugg-issue-125997.rs:23:52
|
LL | fn test3() {
| ---------- this function should return `Result` or `Option` to accept `?`
LL | let mut _file = File::create("foo.txt")?;
| ^ cannot use the `?` operator in a function that returns `()`
...
LL | mac!();
| ------ in this macro invocation
|
= help: the trait `FromResidual<Result<Infallible, std::io::Error>>` is not implemented for `()`
= note: this error originates in the macro `mac` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider adding return type
|
LL ~ fn test3() -> Result<(), Box<dyn std::error::Error>> {
LL | let mut _file = File::create("foo.txt")?;
LL |
LL | println!();
LL ~
LL + Ok(())
LL + }
|
error: aborting due to 4 previous errors
For more information about this error, try `rustc --explain E0277`.

7
tests/ui/traits/item-privacy.stderr
View file

@ -196,14 +196,17 @@ error[E0624]: associated type `A` is private
--> $DIR/item-privacy.rs:119:12
|
LL | type A = u8;
| ------ associated type defined here
| ------ the associated type is defined here
...
LL | let _: T::A;
| ^^^^ private associated type
error: associated type `A` is private
error[E0624]: associated type `A` is private
--> $DIR/item-privacy.rs:128:9
|
LL | type A = u8;
| ------ the associated type is defined here
...
LL | A = u8,
| ^^^^^^ private associated type

10
tests/ui/try-trait/try-operator-on-main.stderr
View file

@ -8,6 +8,16 @@ LL | std::fs::File::open("foo")?;
| ^ cannot use the `?` operator in a function that returns `()`
|
= help: the trait `FromResidual<Result<Infallible, std::io::Error>>` is not implemented for `()`
help: consider adding return type
|
LL ~ fn main() -> Result<(), Box<dyn std::error::Error>> {
LL | // error for a `Try` type on a non-`Try` fn
...
LL | try_trait_generic::<()>();
LL +
LL + Ok(())
LL + }
|
error[E0277]: the `?` operator can only be applied to values that implement `Try`
--> $DIR/try-operator-on-main.rs:10:5