Auto merge of #84985 - pietroalbini:bootstrap-1.54, r=Mark-Simulacrum

Bump bootstrap compiler to beta 1.53.0 This PR bumps the bootstrap compiler to version 1.53.0 beta, as part of our usual release process (this was supposed to be Wednesday's step, but creating the beta release took longer than expected). The PR also includes the "Bootstrap: skip rustdoc fingerprint for building docs" commit, see the reasoning [on Zulip](https://zulip-archive.rust-lang.org/241545trelease/88450153betabootstrap.html). r? `@Mark-Simulacrum`
rust-lang · May 25, 2021 · a7890c7 · a7890c7
2 parents d568d63 + 9e22b84
commit a7890c7
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diff --git a/compiler/rustc_apfloat/src/lib.rs b/compiler/rustc_apfloat/src/lib.rs
@@ -35,7 +35,6 @@
 #![forbid(unsafe_code)]
 #![feature(iter_zip)]
 #![feature(nll)]
-#![cfg_attr(bootstrap, feature(or_patterns))]
 
 #[macro_use]
 extern crate alloc;

diff --git a/compiler/rustc_ast/src/lib.rs b/compiler/rustc_ast/src/lib.rs
@@ -10,15 +10,13 @@
 )]
 #![feature(box_syntax)]
 #![feature(box_patterns)]
-// On bootstrap bump, this will likely have to become const_fn_unsize
-#![cfg_attr(bootstrap, feature(const_fn))] // For the `transmute` in `P::new`
+#![cfg_attr(bootstrap, feature(const_fn_unsize))]
 #![feature(const_fn_transmute)]
 #![feature(const_panic)]
 #![feature(crate_visibility_modifier)]
 #![feature(iter_zip)]
 #![feature(label_break_value)]
 #![feature(nll)]
-#![cfg_attr(bootstrap, feature(or_patterns))]
 #![recursion_limit = "256"]
 
 #[macro_use]

diff --git a/compiler/rustc_ast_lowering/src/lib.rs b/compiler/rustc_ast_lowering/src/lib.rs
@@ -31,7 +31,6 @@
 //! in the HIR, especially for multiple identifiers.
 
 #![feature(crate_visibility_modifier)]
-#![cfg_attr(bootstrap, feature(or_patterns))]
 #![feature(box_patterns)]
 #![feature(iter_zip)]
 #![recursion_limit = "256"]

diff --git a/compiler/rustc_ast_pretty/src/lib.rs b/compiler/rustc_ast_pretty/src/lib.rs
@@ -1,6 +1,5 @@
 #![feature(bool_to_option)]
 #![feature(crate_visibility_modifier)]
-#![cfg_attr(bootstrap, feature(or_patterns))]
 #![feature(box_patterns)]
 #![recursion_limit = "256"]
 

diff --git a/compiler/rustc_attr/src/lib.rs b/compiler/rustc_attr/src/lib.rs
@@ -4,8 +4,6 @@
 //! The goal is to move the definition of `MetaItem` and things that don't need to be in `syntax`
 //! to this crate.
 
-#![cfg_attr(bootstrap, feature(or_patterns))]
-
 #[macro_use]
 extern crate rustc_macros;
 

diff --git a/compiler/rustc_builtin_macros/src/lib.rs b/compiler/rustc_builtin_macros/src/lib.rs
@@ -9,7 +9,6 @@
 #![feature(decl_macro)]
 #![feature(iter_zip)]
 #![feature(nll)]
-#![cfg_attr(bootstrap, feature(or_patterns))]
 #![feature(proc_macro_internals)]
 #![feature(proc_macro_quote)]
 #![recursion_limit = "256"]

diff --git a/compiler/rustc_codegen_llvm/src/lib.rs b/compiler/rustc_codegen_llvm/src/lib.rs
@@ -13,7 +13,6 @@
 #![feature(in_band_lifetimes)]
 #![feature(iter_zip)]
 #![feature(nll)]
-#![cfg_attr(bootstrap, feature(or_patterns))]
 #![recursion_limit = "256"]
 
 use back::write::{create_informational_target_machine, create_target_machine};

diff --git a/compiler/rustc_codegen_ssa/src/lib.rs b/compiler/rustc_codegen_ssa/src/lib.rs
@@ -6,7 +6,6 @@
 #![feature(try_blocks)]
 #![feature(in_band_lifetimes)]
 #![feature(nll)]
-#![cfg_attr(bootstrap, feature(or_patterns))]
 #![feature(associated_type_bounds)]
 #![feature(iter_zip)]
 #![recursion_limit = "256"]

diff --git a/compiler/rustc_expand/src/lib.rs b/compiler/rustc_expand/src/lib.rs
@@ -3,7 +3,6 @@
 #![feature(decl_macro)]
 #![feature(destructuring_assignment)]
 #![feature(iter_zip)]
-#![cfg_attr(bootstrap, feature(or_patterns))]
 #![feature(proc_macro_diagnostic)]
 #![feature(proc_macro_internals)]
 #![feature(proc_macro_span)]

diff --git a/compiler/rustc_hir/src/lib.rs b/compiler/rustc_hir/src/lib.rs
@@ -7,7 +7,6 @@
 #![cfg_attr(bootstrap, feature(extended_key_value_attributes))]
 #![feature(in_band_lifetimes)]
 #![feature(once_cell)]
-#![cfg_attr(bootstrap, feature(or_patterns))]
 #![recursion_limit = "256"]
 
 #[macro_use]

diff --git a/compiler/rustc_hir_pretty/src/lib.rs b/compiler/rustc_hir_pretty/src/lib.rs
@@ -1,4 +1,3 @@
-#![cfg_attr(bootstrap, feature(or_patterns))]
 #![recursion_limit = "256"]
 
 use rustc_ast as ast;

diff --git a/compiler/rustc_infer/src/lib.rs b/compiler/rustc_infer/src/lib.rs
@@ -20,7 +20,6 @@
 #![feature(extend_one)]
 #![feature(iter_zip)]
 #![feature(never_type)]
-#![cfg_attr(bootstrap, feature(or_patterns))]
 #![feature(in_band_lifetimes)]
 #![feature(control_flow_enum)]
 #![recursion_limit = "512"] // For rustdoc

diff --git a/compiler/rustc_lint/src/lib.rs b/compiler/rustc_lint/src/lib.rs
@@ -36,7 +36,6 @@
 #![feature(iter_zip)]
 #![feature(never_type)]
 #![feature(nll)]
-#![cfg_attr(bootstrap, feature(or_patterns))]
 #![feature(half_open_range_patterns)]
 #![feature(exclusive_range_pattern)]
 #![feature(control_flow_enum)]

diff --git a/compiler/rustc_metadata/src/lib.rs b/compiler/rustc_metadata/src/lib.rs
@@ -5,7 +5,6 @@
 #![feature(in_band_lifetimes)]
 #![feature(nll)]
 #![feature(once_cell)]
-#![cfg_attr(bootstrap, feature(or_patterns))]
 #![feature(proc_macro_internals)]
 #![feature(min_specialization)]
 #![feature(stmt_expr_attributes)]

diff --git a/compiler/rustc_middle/src/lib.rs b/compiler/rustc_middle/src/lib.rs
@@ -36,7 +36,6 @@
 #![feature(extern_types)]
 #![feature(nll)]
 #![feature(once_cell)]
-#![cfg_attr(bootstrap, feature(or_patterns))]
 #![feature(min_specialization)]
 #![feature(trusted_len)]
 #![feature(test)]

diff --git a/compiler/rustc_mir/src/lib.rs b/compiler/rustc_mir/src/lib.rs
@@ -29,7 +29,6 @@ Rust MIR: a lowered representation of Rust.
 #![feature(stmt_expr_attributes)]
 #![feature(trait_alias)]
 #![feature(option_get_or_insert_default)]
-#![cfg_attr(bootstrap, feature(or_patterns))]
 #![feature(once_cell)]
 #![feature(control_flow_enum)]
 #![recursion_limit = "256"]

diff --git a/compiler/rustc_mir_build/src/lib.rs b/compiler/rustc_mir_build/src/lib.rs
@@ -10,7 +10,6 @@
 #![feature(bool_to_option)]
 #![feature(iter_zip)]
 #![feature(once_cell)]
-#![cfg_attr(bootstrap, feature(or_patterns))]
 #![recursion_limit = "256"]
 
 #[macro_use]

diff --git a/compiler/rustc_parse/src/lib.rs b/compiler/rustc_parse/src/lib.rs
@@ -4,7 +4,6 @@
 #![feature(crate_visibility_modifier)]
 #![feature(bindings_after_at)]
 #![feature(iter_order_by)]
-#![cfg_attr(bootstrap, feature(or_patterns))]
 #![feature(box_syntax)]
 #![feature(box_patterns)]
 #![recursion_limit = "256"]

diff --git a/compiler/rustc_parse_format/src/lib.rs b/compiler/rustc_parse_format/src/lib.rs
@@ -10,7 +10,6 @@
     test(attr(deny(warnings)))
 )]
 #![feature(nll)]
-#![cfg_attr(bootstrap, feature(or_patterns))]
 #![feature(bool_to_option)]
 
 pub use Alignment::*;

diff --git a/compiler/rustc_passes/src/lib.rs b/compiler/rustc_passes/src/lib.rs
@@ -10,7 +10,6 @@
 #![feature(in_band_lifetimes)]
 #![feature(iter_zip)]
 #![feature(nll)]
-#![cfg_attr(bootstrap, feature(or_patterns))]
 #![recursion_limit = "256"]
 
 #[macro_use]

diff --git a/compiler/rustc_privacy/src/lib.rs b/compiler/rustc_privacy/src/lib.rs
@@ -1,7 +1,6 @@
 #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
 #![feature(in_band_lifetimes)]
 #![feature(nll)]
-#![cfg_attr(bootstrap, feature(or_patterns))]
 #![feature(control_flow_enum)]
 #![feature(try_blocks)]
 #![feature(associated_type_defaults)]

diff --git a/compiler/rustc_resolve/src/lib.rs b/compiler/rustc_resolve/src/lib.rs
@@ -16,7 +16,6 @@
 #![feature(format_args_capture)]
 #![feature(iter_zip)]
 #![feature(nll)]
-#![cfg_attr(bootstrap, feature(or_patterns))]
 #![recursion_limit = "256"]
 #![allow(rustdoc::private_intra_doc_links)]
 

diff --git a/compiler/rustc_save_analysis/src/lib.rs b/compiler/rustc_save_analysis/src/lib.rs
@@ -1,6 +1,5 @@
 #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
 #![feature(nll)]
-#![cfg_attr(bootstrap, feature(or_patterns))]
 #![recursion_limit = "256"]
 
 mod dump_visitor;

diff --git a/compiler/rustc_session/src/lib.rs b/compiler/rustc_session/src/lib.rs
@@ -1,6 +1,5 @@
 #![feature(crate_visibility_modifier)]
 #![feature(once_cell)]
-#![cfg_attr(bootstrap, feature(or_patterns))]
 #![recursion_limit = "256"]
 
 #[macro_use]

diff --git a/compiler/rustc_symbol_mangling/src/lib.rs b/compiler/rustc_symbol_mangling/src/lib.rs
@@ -90,7 +90,6 @@
 #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
 #![feature(never_type)]
 #![feature(nll)]
-#![cfg_attr(bootstrap, feature(or_patterns))]
 #![feature(in_band_lifetimes)]
 #![recursion_limit = "256"]
 

diff --git a/compiler/rustc_trait_selection/src/lib.rs b/compiler/rustc_trait_selection/src/lib.rs
@@ -19,7 +19,6 @@
 #![feature(iter_zip)]
 #![feature(never_type)]
 #![feature(crate_visibility_modifier)]
-#![cfg_attr(bootstrap, feature(or_patterns))]
 #![feature(control_flow_enum)]
 #![recursion_limit = "512"] // For rustdoc
 

diff --git a/compiler/rustc_typeck/src/lib.rs b/compiler/rustc_typeck/src/lib.rs
@@ -65,7 +65,6 @@ This API is completely unstable and subject to change.
 #![feature(is_sorted)]
 #![feature(iter_zip)]
 #![feature(nll)]
-#![cfg_attr(bootstrap, feature(or_patterns))]
 #![feature(try_blocks)]
 #![feature(never_type)]
 #![feature(slice_partition_dedup)]

diff --git a/library/alloc/src/lib.rs b/library/alloc/src/lib.rs
@@ -88,8 +88,7 @@
 #![feature(cfg_target_has_atomic)]
 #![feature(coerce_unsized)]
 #![cfg_attr(not(no_global_oom_handling), feature(const_btree_new))]
-#![cfg_attr(bootstrap, feature(const_fn))]
-#![cfg_attr(not(bootstrap), feature(const_fn_trait_bound))]
+#![feature(const_fn_trait_bound)]
 #![feature(cow_is_borrowed)]
 #![feature(const_cow_is_borrowed)]
 #![feature(destructuring_assignment)]
@@ -118,7 +117,6 @@
 #![feature(nonnull_slice_from_raw_parts)]
 #![feature(auto_traits)]
 #![feature(option_result_unwrap_unchecked)]
-#![cfg_attr(bootstrap, feature(or_patterns))]
 #![feature(pattern)]
 #![feature(ptr_internals)]
 #![feature(rustc_attrs)]

diff --git a/library/core/src/array/mod.rs b/library/core/src/array/mod.rs
@@ -156,7 +156,6 @@ impl<T: fmt::Debug, const N: usize> fmt::Debug for [T; N] {
 // Note: the `#[rustc_skip_array_during_method_dispatch]` on `trait IntoIterator`
 // hides this implementation from explicit `.into_iter()` calls on editions < 2021,
 // so those calls will still resolve to the slice implementation, by reference.
-#[cfg(not(bootstrap))]
 #[stable(feature = "array_into_iter_impl", since = "1.53.0")]
 impl<T, const N: usize> IntoIterator for [T; N] {
     type Item = T;

diff --git a/library/core/src/cmp.rs b/library/core/src/cmp.rs
@@ -274,7 +274,7 @@ pub trait Eq: PartialEq<Self> {
     //
     // This should never be implemented by hand.
     #[doc(hidden)]
-    #[cfg_attr(not(bootstrap), no_coverage)] // rust-lang/rust#84605
+    #[no_coverage] // rust-lang/rust#84605
     #[inline]
     #[stable(feature = "rust1", since = "1.0.0")]
     fn assert_receiver_is_total_eq(&self) {}

diff --git a/library/core/src/future/future.rs b/library/core/src/future/future.rs
@@ -24,8 +24,7 @@ use crate::task::{Context, Poll};
 /// `.await` the value.
 ///
 /// [`Waker`]: crate::task::Waker
-#[cfg_attr(bootstrap, doc(spotlight))]
-#[cfg_attr(not(bootstrap), doc(notable_trait))]
+#[doc(notable_trait)]
 #[must_use = "futures do nothing unless you `.await` or poll them"]
 #[stable(feature = "futures_api", since = "1.36.0")]
 #[lang = "future_trait"]

diff --git a/library/core/src/iter/traits/collect.rs b/library/core/src/iter/traits/collect.rs
@@ -198,7 +198,7 @@ pub trait FromIterator<A>: Sized {
 /// }
 /// ```
 #[rustc_diagnostic_item = "IntoIterator"]
-#[cfg_attr(not(bootstrap), rustc_skip_array_during_method_dispatch)]
+#[rustc_skip_array_during_method_dispatch]
 #[stable(feature = "rust1", since = "1.0.0")]
 pub trait IntoIterator {
     /// The type of the elements being iterated over.

diff --git a/library/core/src/iter/traits/iterator.rs b/library/core/src/iter/traits/iterator.rs
@@ -92,8 +92,7 @@ fn _assert_is_object_safe(_: &dyn Iterator<Item = ()>) {}
     label = "`{Self}` is not an iterator",
     message = "`{Self}` is not an iterator"
 )]
-#[cfg_attr(bootstrap, doc(spotlight))]
-#[cfg_attr(not(bootstrap), doc(notable_trait))]
+#[doc(notable_trait)]
 #[rustc_diagnostic_item = "Iterator"]
 #[must_use = "iterators are lazy and do nothing unless consumed"]
 pub trait Iterator {

diff --git a/library/core/src/lib.rs b/library/core/src/lib.rs
@@ -82,12 +82,12 @@
 #![feature(const_refs_to_cell)]
 #![feature(const_panic)]
 #![feature(const_pin)]
-#![cfg_attr(bootstrap, feature(const_fn))]
 #![feature(const_fn_union)]
 #![feature(const_impl_trait)]
 #![feature(const_fn_floating_point_arithmetic)]
 #![feature(const_fn_fn_ptr_basics)]
-#![cfg_attr(not(bootstrap), feature(const_fn_trait_bound))]
+#![feature(const_fn_trait_bound)]
+#![cfg_attr(bootstrap, feature(const_fn))]
 #![feature(const_option)]
 #![feature(const_precise_live_drops)]
 #![feature(const_ptr_offset)]
@@ -110,8 +110,7 @@
 #![feature(custom_inner_attributes)]
 #![feature(decl_macro)]
 #![feature(doc_cfg)]
-#![cfg_attr(bootstrap, feature(doc_spotlight))]
-#![cfg_attr(not(bootstrap), feature(doc_notable_trait))]
+#![feature(doc_notable_trait)]
 #![feature(duration_consts_2)]
 #![cfg_attr(bootstrap, feature(extended_key_value_attributes))]
 #![feature(extern_types)]
@@ -127,7 +126,6 @@
 #![feature(exhaustive_patterns)]
 #![feature(no_core)]
 #![feature(auto_traits)]
-#![cfg_attr(bootstrap, feature(or_patterns))]
 #![feature(prelude_import)]
 #![feature(ptr_metadata)]
 #![feature(repr_simd, platform_intrinsics)]
@@ -167,7 +165,7 @@
 #![feature(const_caller_location)]
 #![feature(slice_ptr_get)]
 #![feature(no_niche)] // rust-lang/rust#68303
-#![cfg_attr(not(bootstrap), feature(no_coverage))] // rust-lang/rust#84605
+#![feature(no_coverage)] // rust-lang/rust#84605
 #![feature(int_error_matching)]
 #![deny(unsafe_op_in_unsafe_fn)]
 
@@ -304,8 +302,7 @@ pub mod primitive;
     unused_imports,
     unsafe_op_in_unsafe_fn
 )]
-#[cfg_attr(bootstrap, allow(rustdoc::non_autolinks))]
-#[cfg_attr(not(bootstrap), allow(rustdoc::bare_urls))]
+#[allow(rustdoc::bare_urls)]
 // FIXME: This annotation should be moved into rust-lang/stdarch after clashing_extern_declarations is
 // merged. It currently cannot because bootstrap fails as the lint hasn't been defined yet.
 #[allow(clashing_extern_declarations)]

diff --git a/library/proc_macro/src/lib.rs b/library/proc_macro/src/lib.rs
@@ -21,8 +21,7 @@
 #![feature(rustc_allow_const_fn_unstable)]
 #![feature(nll)]
 #![feature(staged_api)]
-#![cfg_attr(bootstrap, feature(const_fn))]
-#![cfg_attr(not(bootstrap), feature(const_fn_trait_bound))]
+#![feature(const_fn_trait_bound)]
 #![feature(const_fn_fn_ptr_basics)]
 #![feature(allow_internal_unstable)]
 #![feature(decl_macro)]

diff --git a/library/std/src/io/mod.rs b/library/std/src/io/mod.rs
@@ -509,8 +509,7 @@ pub(crate) fn default_read_exact<R: Read + ?Sized>(this: &mut R, mut buf: &mut [
 /// [`std::io`]: self
 /// [`File`]: crate::fs::File
 #[stable(feature = "rust1", since = "1.0.0")]
-#[cfg_attr(bootstrap, doc(spotlight))]
-#[cfg_attr(not(bootstrap), doc(notable_trait))]
+#[doc(notable_trait)]
 pub trait Read {
     /// Pull some bytes from this source into the specified buffer, returning
     /// how many bytes were read.
@@ -1307,8 +1306,7 @@ impl Initializer {
 ///
 /// [`write_all`]: Write::write_all
 #[stable(feature = "rust1", since = "1.0.0")]
-#[cfg_attr(bootstrap, doc(spotlight))]
-#[cfg_attr(not(bootstrap), doc(notable_trait))]
+#[doc(notable_trait)]
 pub trait Write {
     /// Write a buffer into this writer, returning how many bytes were written.
     ///

diff --git a/library/std/src/lib.rs b/library/std/src/lib.rs
@@ -260,8 +260,7 @@
 #![feature(doc_cfg)]
 #![feature(doc_keyword)]
 #![feature(doc_masked)]
-#![cfg_attr(bootstrap, feature(doc_spotlight))]
-#![cfg_attr(not(bootstrap), feature(doc_notable_trait))]
+#![feature(doc_notable_trait)]
 #![feature(dropck_eyepatch)]
 #![feature(duration_constants)]
 #![feature(edition_panic)]
@@ -300,7 +299,6 @@
 #![feature(nonnull_slice_from_raw_parts)]
 #![feature(once_cell)]
 #![feature(auto_traits)]
-#![cfg_attr(bootstrap, feature(or_patterns))]
 #![feature(panic_info_message)]
 #![feature(panic_internals)]
 #![feature(panic_unwind)]