Auto merge of #122754 - Mark-Simulacrum:bootstrap-bump, r=albertlarsan68

Bump to 1.78 bootstrap compiler

https://forge.rust-lang.org/release/process.html#master-bootstrap-update-t-2-day-tuesday

16 files changed, 14 insertions, 26 deletions

diff --git a/compiler/rustc_ast/src/lib.rs b/compiler/rustc_ast/src/lib.rs
index ef60a1c9b5b..4f21ff41529 100644
--- a/compiler/rustc_ast/src/lib.rs
+++ b/compiler/rustc_ast/src/lib.rs
@@ -16,7 +16,6 @@
 #![feature(box_patterns)]
 #![feature(if_let_guard)]
 #![feature(let_chains)]
-#![cfg_attr(bootstrap, feature(min_specialization))]
 #![feature(never_type)]
 #![feature(negative_impls)]
 #![feature(stmt_expr_attributes)]
diff --git a/compiler/rustc_data_structures/src/sync/lock.rs b/compiler/rustc_data_structures/src/sync/lock.rs
index 040a8aa6b63..756984642c7 100644
--- a/compiler/rustc_data_structures/src/sync/lock.rs
+++ b/compiler/rustc_data_structures/src/sync/lock.rs
@@ -189,6 +189,7 @@ mod no_sync {
     use super::Mode;
     use std::cell::RefCell;
 
+    #[doc(no_inline)]
     pub use std::cell::RefMut as LockGuard;
 
     pub struct Lock<T>(RefCell<T>);
diff --git a/compiler/rustc_errors/src/lib.rs b/compiler/rustc_errors/src/lib.rs
index 723f13dbe8d..238bc63ec58 100644
--- a/compiler/rustc_errors/src/lib.rs
+++ b/compiler/rustc_errors/src/lib.rs
@@ -7,7 +7,6 @@
 #![allow(internal_features)]
 #![allow(rustc::diagnostic_outside_of_impl)]
 #![allow(rustc::untranslatable_diagnostic)]
-#![cfg_attr(bootstrap, feature(min_specialization))]
 #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
 #![doc(rust_logo)]
 #![feature(array_windows)]
diff --git a/compiler/rustc_feature/src/accepted.rs b/compiler/rustc_feature/src/accepted.rs
index 5957d03853d..a83f9f56beb 100644
--- a/compiler/rustc_feature/src/accepted.rs
+++ b/compiler/rustc_feature/src/accepted.rs
@@ -87,7 +87,7 @@ declare_features! (
     /// Enables `#[cfg(panic = "...")]` config key.
     (accepted, cfg_panic, "1.60.0", Some(77443)),
     /// Allows `cfg(target_abi = "...")`.
-    (accepted, cfg_target_abi, "CURRENT_RUSTC_VERSION", Some(80970)),
+    (accepted, cfg_target_abi, "1.78.0", Some(80970)),
     /// Allows `cfg(target_feature = "...")`.
     (accepted, cfg_target_feature, "1.27.0", Some(29717)),
     /// Allows `cfg(target_vendor = "...")`.
@@ -149,7 +149,7 @@ declare_features! (
     /// Allows the use of destructuring assignments.
     (accepted, destructuring_assignment, "1.59.0", Some(71126)),
     /// Allows using the `#[diagnostic]` attribute tool namespace
-    (accepted, diagnostic_namespace, "CURRENT_RUSTC_VERSION", Some(111996)),
+    (accepted, diagnostic_namespace, "1.78.0", Some(111996)),
     /// Allows `#[doc(alias = "...")]`.
     (accepted, doc_alias, "1.48.0", Some(50146)),
     /// Allows `..` in tuple (struct) patterns.
diff --git a/compiler/rustc_feature/src/removed.rs b/compiler/rustc_feature/src/removed.rs
index 05bb7480732..eaaf7ca34e0 100644
--- a/compiler/rustc_feature/src/removed.rs
+++ b/compiler/rustc_feature/src/removed.rs
@@ -98,7 +98,7 @@ declare_features! (
     (removed, external_doc, "1.54.0", Some(44732),
      Some("use #[doc = include_str!(\"filename\")] instead, which handles macro invocations")),
     /// Allows using `#[ffi_returns_twice]` on foreign functions.
-    (removed, ffi_returns_twice, "CURRENT_RUSTC_VERSION", Some(58314),
+    (removed, ffi_returns_twice, "1.78.0", Some(58314),
      Some("being investigated by the ffi-unwind project group")),
     /// Allows generators to be cloned.
     (removed, generator_clone, "1.65.0", Some(95360), Some("renamed to `coroutine_clone`")),
diff --git a/compiler/rustc_feature/src/unstable.rs b/compiler/rustc_feature/src/unstable.rs
index 528fabc8d9c..a3b13c4d907 100644
--- a/compiler/rustc_feature/src/unstable.rs
+++ b/compiler/rustc_feature/src/unstable.rs
@@ -214,7 +214,7 @@ declare_features! (
     /// Allows using `#[omit_gdb_pretty_printer_section]`.
     (internal, omit_gdb_pretty_printer_section, "1.5.0", None),
     /// Set the maximum pattern complexity allowed (not limited by default).
-    (internal, pattern_complexity, "CURRENT_RUSTC_VERSION", None),
+    (internal, pattern_complexity, "1.78.0", None),
     /// Allows using `#[prelude_import]` on glob `use` items.
     (internal, prelude_import, "1.2.0", None),
     /// Used to identify crates that contain the profiler runtime.
@@ -301,11 +301,11 @@ declare_features! (
     (unstable, csky_target_feature, "1.73.0", Some(44839)),
     (unstable, ermsb_target_feature, "1.49.0", Some(44839)),
     (unstable, hexagon_target_feature, "1.27.0", Some(44839)),
-    (unstable, lahfsahf_target_feature, "CURRENT_RUSTC_VERSION", Some(44839)),
+    (unstable, lahfsahf_target_feature, "1.78.0", Some(44839)),
     (unstable, loongarch_target_feature, "1.73.0", Some(44839)),
     (unstable, mips_target_feature, "1.27.0", Some(44839)),
     (unstable, powerpc_target_feature, "1.27.0", Some(44839)),
-    (unstable, prfchw_target_feature, "CURRENT_RUSTC_VERSION", Some(44839)),
+    (unstable, prfchw_target_feature, "1.78.0", Some(44839)),
     (unstable, riscv_target_feature, "1.45.0", Some(44839)),
     (unstable, rtm_target_feature, "1.35.0", Some(44839)),
     (unstable, sse4a_target_feature, "1.27.0", Some(44839)),
@@ -346,7 +346,7 @@ declare_features! (
     /// Enables experimental inline assembly support for additional architectures.
     (unstable, asm_experimental_arch, "1.58.0", Some(93335)),
     /// Allows using `label` operands in inline assembly.
-    (unstable, asm_goto, "CURRENT_RUSTC_VERSION", Some(119364)),
+    (unstable, asm_goto, "1.78.0", Some(119364)),
     /// Allows the `may_unwind` option in inline assembly.
     (unstable, asm_unwind, "1.58.0", Some(93334)),
     /// Allows users to enforce equality of associated constants `TraitImpl<AssocConst=3>`.
@@ -410,7 +410,7 @@ declare_features! (
     /// Allows references to types with interior mutability within constants
     (unstable, const_refs_to_cell, "1.51.0", Some(80384)),
     /// Allows creating pointers and references to `static` items in constants.
-    (unstable, const_refs_to_static, "CURRENT_RUSTC_VERSION", Some(119618)),
+    (unstable, const_refs_to_static, "1.78.0", Some(119618)),
     /// Allows `impl const Trait for T` syntax.
     (unstable, const_trait_impl, "1.42.0", Some(67792)),
     /// Allows the `?` operator in const contexts.
@@ -462,9 +462,9 @@ declare_features! (
     /// Allows defining `extern type`s.
     (unstable, extern_types, "1.23.0", Some(43467)),
     /// Allow using 128-bit (quad precision) floating point numbers.
-    (unstable, f128, "CURRENT_RUSTC_VERSION", Some(116909)),
+    (unstable, f128, "1.78.0", Some(116909)),
     /// Allow using 16-bit (half precision) floating point numbers.
-    (unstable, f16, "CURRENT_RUSTC_VERSION", Some(116909)),
+    (unstable, f16, "1.78.0", Some(116909)),
     /// Allows the use of `#[ffi_const]` on foreign functions.
     (unstable, ffi_const, "1.45.0", Some(58328)),
     /// Allows the use of `#[ffi_pure]` on foreign functions.
@@ -474,7 +474,7 @@ declare_features! (
     /// Support delegating implementation of functions to other already implemented functions.
     (incomplete, fn_delegation, "1.76.0", Some(118212)),
     /// Allows impls for the Freeze trait.
-    (internal, freeze_impls, "CURRENT_RUSTC_VERSION", Some(121675)),
+    (internal, freeze_impls, "1.78.0", Some(121675)),
     /// Allows defining gen blocks and `gen fn`.
     (unstable, gen_blocks, "1.75.0", Some(117078)),
     /// Infer generic args for both consts and types.
diff --git a/compiler/rustc_hir/src/lib.rs b/compiler/rustc_hir/src/lib.rs
index 9921686ce28..c5c4075c6ba 100644
--- a/compiler/rustc_hir/src/lib.rs
+++ b/compiler/rustc_hir/src/lib.rs
@@ -5,7 +5,6 @@
 #![feature(associated_type_defaults)]
 #![feature(closure_track_caller)]
 #![feature(let_chains)]
-#![cfg_attr(bootstrap, feature(min_specialization))]
 #![feature(never_type)]
 #![feature(rustc_attrs)]
 #![feature(variant_count)]
diff --git a/compiler/rustc_hir_analysis/src/lib.rs b/compiler/rustc_hir_analysis/src/lib.rs
index 19ab2045cc5..5fe8d1fe586 100644
--- a/compiler/rustc_hir_analysis/src/lib.rs
+++ b/compiler/rustc_hir_analysis/src/lib.rs
@@ -68,7 +68,6 @@ This API is completely unstable and subject to change.
 #![feature(is_sorted)]
 #![feature(iter_intersperse)]
 #![feature(let_chains)]
-#![cfg_attr(bootstrap, feature(min_specialization))]
 #![feature(never_type)]
 #![feature(lazy_cell)]
 #![feature(slice_partition_dedup)]
diff --git a/compiler/rustc_hir_typeck/src/lib.rs b/compiler/rustc_hir_typeck/src/lib.rs
index bc6e09addce..d259e71f957 100644
--- a/compiler/rustc_hir_typeck/src/lib.rs
+++ b/compiler/rustc_hir_typeck/src/lib.rs
@@ -5,7 +5,6 @@
 #![feature(try_blocks)]
 #![feature(never_type)]
 #![feature(box_patterns)]
-#![cfg_attr(bootstrap, feature(min_specialization))]
 #![feature(control_flow_enum)]
 
 #[macro_use]
diff --git a/compiler/rustc_infer/src/lib.rs b/compiler/rustc_infer/src/lib.rs
index 51075361277..807d5500a90 100644
--- a/compiler/rustc_infer/src/lib.rs
+++ b/compiler/rustc_infer/src/lib.rs
@@ -25,7 +25,6 @@
 #![feature(let_chains)]
 #![feature(if_let_guard)]
 #![feature(iterator_try_collect)]
-#![cfg_attr(bootstrap, feature(min_specialization))]
 #![feature(try_blocks)]
 #![feature(yeet_expr)]
 #![recursion_limit = "512"] // For rustdoc
diff --git a/compiler/rustc_middle/src/lib.rs b/compiler/rustc_middle/src/lib.rs
index d910a15e262..e52a5863fd0 100644
--- a/compiler/rustc_middle/src/lib.rs
+++ b/compiler/rustc_middle/src/lib.rs
@@ -24,8 +24,7 @@
 
 #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
 #![doc(rust_logo)]
-#![cfg_attr(bootstrap, feature(exhaustive_patterns))]
-#![cfg_attr(not(bootstrap), feature(min_exhaustive_patterns))]
+#![feature(min_exhaustive_patterns)]
 #![feature(rustdoc_internals)]
 #![feature(allocator_api)]
 #![feature(array_windows)]
diff --git a/compiler/rustc_mir_build/src/lib.rs b/compiler/rustc_mir_build/src/lib.rs
index b9a20cb21e9..7b22aea9158 100644
--- a/compiler/rustc_mir_build/src/lib.rs
+++ b/compiler/rustc_mir_build/src/lib.rs
@@ -9,7 +9,6 @@
 #![feature(box_patterns)]
 #![feature(if_let_guard)]
 #![feature(let_chains)]
-#![cfg_attr(bootstrap, feature(min_specialization))]
 #![feature(try_blocks)]
 
 #[macro_use]
diff --git a/compiler/rustc_mir_dataflow/src/lib.rs b/compiler/rustc_mir_dataflow/src/lib.rs
index f18a2354301..c5adb81b614 100644
--- a/compiler/rustc_mir_dataflow/src/lib.rs
+++ b/compiler/rustc_mir_dataflow/src/lib.rs
@@ -2,7 +2,6 @@
 #![feature(box_patterns)]
 #![feature(exact_size_is_empty)]
 #![feature(let_chains)]
-#![cfg_attr(bootstrap, feature(min_specialization))]
 #![feature(try_blocks)]
 
 #[macro_use]
diff --git a/compiler/rustc_mir_transform/src/lib.rs b/compiler/rustc_mir_transform/src/lib.rs
index c63bdff9a85..5d89015d61c 100644
--- a/compiler/rustc_mir_transform/src/lib.rs
+++ b/compiler/rustc_mir_transform/src/lib.rs
@@ -8,7 +8,6 @@
 #![feature(is_sorted)]
 #![feature(let_chains)]
 #![feature(map_try_insert)]
-#![cfg_attr(bootstrap, feature(min_specialization))]
 #![feature(never_type)]
 #![feature(option_get_or_insert_default)]
 #![feature(round_char_boundary)]
diff --git a/compiler/rustc_target/src/lib.rs b/compiler/rustc_target/src/lib.rs
index 8019d2b80cd..ba359ac6de1 100644
--- a/compiler/rustc_target/src/lib.rs
+++ b/compiler/rustc_target/src/lib.rs
@@ -9,13 +9,11 @@
 
 #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
 #![doc(rust_logo)]
-#![cfg_attr(bootstrap, feature(exhaustive_patterns))]
-#![cfg_attr(not(bootstrap), feature(min_exhaustive_patterns))]
+#![feature(min_exhaustive_patterns)]
 #![feature(rustdoc_internals)]
 #![feature(assert_matches)]
 #![feature(iter_intersperse)]
 #![feature(let_chains)]
-#![cfg_attr(bootstrap, feature(min_specialization))]
 #![feature(rustc_attrs)]
 #![feature(step_trait)]
 #![allow(internal_features)]
diff --git a/compiler/rustc_trait_selection/src/lib.rs b/compiler/rustc_trait_selection/src/lib.rs
index 9fac0ea7715..e14fc62cd6f 100644
--- a/compiler/rustc_trait_selection/src/lib.rs
+++ b/compiler/rustc_trait_selection/src/lib.rs
@@ -26,7 +26,6 @@
 #![feature(option_take_if)]
 #![feature(never_type)]
 #![feature(type_alias_impl_trait)]
-#![cfg_attr(bootstrap, feature(min_specialization))]
 #![recursion_limit = "512"] // For rustdoc
 
 #[macro_use]