Auto merge of #129632 - matthiaskrgr:rollup-8055gq6, r=matthiaskrgr

Rollup of 9 pull requests

Successful merges:

 - #126013 (Add `#[warn(unreachable_pub)]` to a bunch of compiler crates)
 - #128157 (deduplicate and clarify rules for converting pointers to references)
 - #129032 (Document & implement the transmutation modeled by `BikeshedIntrinsicFrom`)
 - #129250 (Do not ICE on non-ADT rcvr type when looking for crate version collision)
 - #129340 (Remove Duplicate E0381 Label)
 - #129560 ([rustdoc] Generate source link on impl associated types)
 - #129622 (Remove a couple of unused feature enables)
 - #129625 (Rename `ParenthesizedGenericArgs` to `GenericArgsMode`)
 - #129626 (Remove `ParamMode::ExplicitNamed`)

Failed merges:

 - #128166 (Improved `checked_isqrt` and `isqrt` methods)

r? `@ghost`
`@rustbot` modify labels: rollup

compiler/rustc_abi/src/lib.rs

@@ -3,6 +3,7 @@
 #![cfg_attr(feature = "nightly", doc(rust_logo))]
 #![cfg_attr(feature = "nightly", feature(rustdoc_internals))]
 #![cfg_attr(feature = "nightly", feature(step_trait))]
+#![warn(unreachable_pub)]
 // tidy-alphabetical-end
 
 use std::fmt;

compiler/rustc_arena/src/lib.rs

@@ -25,6 +25,7 @@
 #![feature(rustc_attrs)]
 #![feature(rustdoc_internals)]
 #![feature(strict_provenance)]
+#![warn(unreachable_pub)]
 // tidy-alphabetical-end
 
 use std::alloc::Layout;

compiler/rustc_arena/src/tests.rs

@@ -32,7 +32,7 @@ impl<T> TypedArena<T> {
 }
 
 #[test]
-pub fn test_unused() {
+fn test_unused() {
     let arena: TypedArena<Point> = TypedArena::default();
     assert!(arena.chunks.borrow().is_empty());
 }
@@ -75,7 +75,7 @@ fn test_arena_alloc_nested() {
 }
 
 #[test]
-pub fn test_copy() {
+fn test_copy() {
     let arena = TypedArena::default();
     #[cfg(not(miri))]
     const N: usize = 100000;
@@ -87,13 +87,13 @@ pub fn test_copy() {
 }
 
 #[bench]
-pub fn bench_copy(b: &mut Bencher) {
+fn bench_copy(b: &mut Bencher) {
     let arena = TypedArena::default();
     b.iter(|| arena.alloc(Point { x: 1, y: 2, z: 3 }))
 }
 
 #[bench]
-pub fn bench_copy_nonarena(b: &mut Bencher) {
+fn bench_copy_nonarena(b: &mut Bencher) {
     b.iter(|| {
         let _: Box<_> = Box::new(Point { x: 1, y: 2, z: 3 });
     })
@@ -106,7 +106,7 @@ struct Noncopy {
 }
 
 #[test]
-pub fn test_noncopy() {
+fn test_noncopy() {
     let arena = TypedArena::default();
     #[cfg(not(miri))]
     const N: usize = 100000;
@@ -118,7 +118,7 @@ pub fn test_noncopy() {
 }
 
 #[test]
-pub fn test_typed_arena_zero_sized() {
+fn test_typed_arena_zero_sized() {
     let arena = TypedArena::default();
     #[cfg(not(miri))]
     const N: usize = 100000;
@@ -130,7 +130,7 @@ pub fn test_typed_arena_zero_sized() {
 }
 
 #[test]
-pub fn test_typed_arena_clear() {
+fn test_typed_arena_clear() {
     let mut arena = TypedArena::default();
     for _ in 0..10 {
         arena.clear();
@@ -145,7 +145,7 @@ pub fn test_typed_arena_clear() {
 }
 
 #[bench]
-pub fn bench_typed_arena_clear(b: &mut Bencher) {
+fn bench_typed_arena_clear(b: &mut Bencher) {
     let mut arena = TypedArena::default();
     b.iter(|| {
         arena.alloc(Point { x: 1, y: 2, z: 3 });
@@ -154,7 +154,7 @@ pub fn bench_typed_arena_clear(b: &mut Bencher) {
 }
 
 #[bench]
-pub fn bench_typed_arena_clear_100(b: &mut Bencher) {
+fn bench_typed_arena_clear_100(b: &mut Bencher) {
     let mut arena = TypedArena::default();
     b.iter(|| {
         for _ in 0..100 {
@@ -230,15 +230,15 @@ fn test_typed_arena_drop_small_count() {
 }
 
 #[bench]
-pub fn bench_noncopy(b: &mut Bencher) {
+fn bench_noncopy(b: &mut Bencher) {
     let arena = TypedArena::default();
     b.iter(|| {
         arena.alloc(Noncopy { string: "hello world".to_string(), array: vec![1, 2, 3, 4, 5] })
     })
 }
 
 #[bench]
-pub fn bench_noncopy_nonarena(b: &mut Bencher) {
+fn bench_noncopy_nonarena(b: &mut Bencher) {
     b.iter(|| {
         let _: Box<_> =
             Box::new(Noncopy { string: "hello world".to_string(), array: vec![1, 2, 3, 4, 5] });

compiler/rustc_ast/src/lib.rs

@@ -19,6 +19,7 @@
 #![feature(never_type)]
 #![feature(rustdoc_internals)]
 #![feature(stmt_expr_attributes)]
+#![warn(unreachable_pub)]
 // tidy-alphabetical-end
 
 pub mod util {

compiler/rustc_ast_ir/src/lib.rs

@@ -2,6 +2,7 @@
 #![cfg_attr(feature = "nightly", allow(internal_features))]
 #![cfg_attr(feature = "nightly", feature(never_type))]
 #![cfg_attr(feature = "nightly", feature(rustc_attrs))]
+#![warn(unreachable_pub)]
 // tidy-alphabetical-end
 
 #[cfg(feature = "nightly")]

compiler/rustc_ast_lowering/src/delegation.rs

@@ -51,7 +51,7 @@ use rustc_span::Span;
 use rustc_target::spec::abi;
 use {rustc_ast as ast, rustc_hir as hir};
 
-use super::{ImplTraitContext, LoweringContext, ParamMode, ParenthesizedGenericArgs};
+use super::{GenericArgsMode, ImplTraitContext, LoweringContext, ParamMode};
 use crate::{ImplTraitPosition, ResolverAstLoweringExt};
 
 pub(crate) struct DelegationResults<'hir> {
@@ -323,7 +323,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
                 delegation.path.span,
                 ast_segment,
                 ParamMode::Optional,
-                ParenthesizedGenericArgs::Err,
+                GenericArgsMode::Err,
                 ImplTraitContext::Disallowed(ImplTraitPosition::Path),
                 None,
             );