Use `allow_internal_unstable` and add unstable reason

diff --git a/compiler/rustc_ast/src/lib.rs b/compiler/rustc_ast/src/lib.rs
index da3718252624cc24117ad65003c1e39b34a1f6a7..eeb7e56e2b12448e3b465fd29cfd6c716a76b468 100644 (file)
--- a/compiler/rustc_ast/src/lib.rs
+++ b/compiler/rustc_ast/src/lib.rs
@@ -15,7 +15,6 @@
 #![feature(if_let_guard)]
 #![feature(let_chains)]
 #![feature(min_specialization)]
-#![feature(spec_option_partial_eq)]
 #![feature(negative_impls)]
 #![feature(slice_internals)]
 #![feature(stmt_expr_attributes)]

diff --git a/compiler/rustc_borrowck/src/lib.rs b/compiler/rustc_borrowck/src/lib.rs
index 75e8b9899aa9bd1183c9ded251c895347d3adf5d..abfe253d43df7edbf41cfdbba0e7c3bd474a56ae 100644 (file)
--- a/compiler/rustc_borrowck/src/lib.rs
+++ b/compiler/rustc_borrowck/src/lib.rs
@@ -6,7 +6,6 @@
 #![feature(min_specialization)]
 #![feature(never_type)]
 #![feature(rustc_attrs)]
-#![feature(spec_option_partial_eq)]
 #![feature(stmt_expr_attributes)]
 #![feature(trusted_step)]
 #![feature(try_blocks)]

diff --git a/compiler/rustc_data_structures/src/lib.rs b/compiler/rustc_data_structures/src/lib.rs
index a7b2f97ac19eedef9cc9e71a65f097e23ca8296a..3a2000233c5d10fac7150e1956b2e33f7a9a7042 100644 (file)
--- a/compiler/rustc_data_structures/src/lib.rs
+++ b/compiler/rustc_data_structures/src/lib.rs
@@ -13,7 +13,6 @@
 #![feature(cell_leak)]
 #![feature(control_flow_enum)]
 #![feature(extend_one)]
-#![feature(spec_option_partial_eq)]
 #![feature(hash_raw_entry)]
 #![feature(hasher_prefixfree_extras)]
 #![feature(maybe_uninit_uninit_array)]

diff --git a/compiler/rustc_hir/src/lib.rs b/compiler/rustc_hir/src/lib.rs
index 9585f92bde30dee6f56dfcb7093c4b24d172bb12..1c55cd8fee8f922f94a92bc398f291ee68748b0e 100644 (file)
--- a/compiler/rustc_hir/src/lib.rs
+++ b/compiler/rustc_hir/src/lib.rs
@@ -9,7 +9,6 @@
 #![feature(never_type)]
 #![feature(rustc_attrs)]
 #![feature(variant_count)]
-#![feature(spec_option_partial_eq)]
 #![recursion_limit = "256"]
 #![deny(rustc::untranslatable_diagnostic)]
 #![deny(rustc::diagnostic_outside_of_impl)]

diff --git a/compiler/rustc_hir_analysis/src/lib.rs b/compiler/rustc_hir_analysis/src/lib.rs
index a855f4c81e8f46e35b20d626fa64398018dd3c64..bd1a461b93522235cb2b6423a48da8f0f11c4dfa 100644 (file)
--- a/compiler/rustc_hir_analysis/src/lib.rs
+++ b/compiler/rustc_hir_analysis/src/lib.rs
@@ -65,7 +65,6 @@
 #![feature(is_sorted)]
 #![feature(iter_intersperse)]
 #![feature(let_chains)]
-#![feature(spec_option_partial_eq)]
 #![feature(min_specialization)]
 #![feature(never_type)]
 #![feature(once_cell)]

diff --git a/compiler/rustc_hir_typeck/src/lib.rs b/compiler/rustc_hir_typeck/src/lib.rs
index ef089237994b618a3a92101a4942726c432e92e4..959c54866453dd8520f2ef00eaf979ce3886d264 100644 (file)
--- a/compiler/rustc_hir_typeck/src/lib.rs
+++ b/compiler/rustc_hir_typeck/src/lib.rs
@@ -3,7 +3,6 @@
 #![feature(try_blocks)]
 #![feature(never_type)]
 #![feature(min_specialization)]
-#![feature(spec_option_partial_eq)]
 #![feature(control_flow_enum)]
 #![feature(drain_filter)]
 #![allow(rustc::potential_query_instability)]

diff --git a/compiler/rustc_index/src/lib.rs b/compiler/rustc_index/src/lib.rs
index 28a28d2acf065c6d486d62d970b16505c8409f18..23a4c1f069662262f0306405815c43ed4c44ff0c 100644 (file)
--- a/compiler/rustc_index/src/lib.rs
+++ b/compiler/rustc_index/src/lib.rs
@@ -6,7 +6,6 @@
 #![feature(new_uninit)]
 #![feature(step_trait)]
 #![feature(stmt_expr_attributes)]
-#![feature(spec_option_partial_eq)]
 #![feature(test)]
 
 pub mod bit_set;

diff --git a/compiler/rustc_infer/src/lib.rs b/compiler/rustc_infer/src/lib.rs
index d88c155dc0b0d8a243c3591bbb3ab8f1992afdf0..e040634edb088da85d65e9dd86aab0dda27b22b3 100644 (file)
--- a/compiler/rustc_infer/src/lib.rs
+++ b/compiler/rustc_infer/src/lib.rs
@@ -19,7 +19,6 @@
 #![feature(extend_one)]
 #![feature(let_chains)]
 #![feature(if_let_guard)]
-#![feature(spec_option_partial_eq)]
 #![feature(min_specialization)]
 #![feature(never_type)]
 #![feature(try_blocks)]

diff --git a/compiler/rustc_lint/src/lib.rs b/compiler/rustc_lint/src/lib.rs
index 367eb800b03702c66377258e295cdb64b22c30c7..5288fc542d79a0b0f200f9bab547da6cbf1fa948 100644 (file)
--- a/compiler/rustc_lint/src/lib.rs
+++ b/compiler/rustc_lint/src/lib.rs
@@ -34,7 +34,6 @@
 #![feature(iter_intersperse)]
 #![feature(iter_order_by)]
 #![feature(let_chains)]
-#![feature(spec_option_partial_eq)]
 #![feature(min_specialization)]
 #![feature(never_type)]
 #![recursion_limit = "256"]

diff --git a/compiler/rustc_macros/src/lib.rs b/compiler/rustc_macros/src/lib.rs
index 36bda3e0f6bb26a115bd05db5889f8b781a9688c..607b9bd44377e8a008603c0d16776bbabdec7b1a 100644 (file)
--- a/compiler/rustc_macros/src/lib.rs
+++ b/compiler/rustc_macros/src/lib.rs
@@ -47,7 +47,7 @@ pub fn symbols(input: TokenStream) -> TokenStream {
 /// `u32::MAX`. You can also customize things like the `Debug` impl,
 /// what traits are derived, and so forth via the macro.
 #[proc_macro]
-#[allow_internal_unstable(step_trait, rustc_attrs, trusted_step)]
+#[allow_internal_unstable(step_trait, rustc_attrs, trusted_step, spec_option_partial_eq)]
 pub fn newtype_index(input: TokenStream) -> TokenStream {
     newtype::newtype(input)
 }

diff --git a/compiler/rustc_middle/src/lib.rs b/compiler/rustc_middle/src/lib.rs
index 040a33c6c291c72f8cae1f0838de87ae0ecb7ff7..a58cbc3767ed658980878daebc399a2cb7a6d672 100644 (file)
--- a/compiler/rustc_middle/src/lib.rs
+++ b/compiler/rustc_middle/src/lib.rs
@@ -31,7 +31,6 @@
 #![feature(discriminant_kind)]
 #![feature(exhaustive_patterns)]
 #![feature(get_mut_unchecked)]
-#![feature(spec_option_partial_eq)]
 #![feature(if_let_guard)]
 #![feature(negative_impls)]
 #![feature(never_type)]

diff --git a/compiler/rustc_mir_build/src/lib.rs b/compiler/rustc_mir_build/src/lib.rs
index 7ef98c2a153ab0861ad61f07c61194e8e65fab61..b53bd3d0710a6ad15c242d60d1d0633203aa3773 100644 (file)
--- a/compiler/rustc_mir_build/src/lib.rs
+++ b/compiler/rustc_mir_build/src/lib.rs
@@ -7,7 +7,6 @@
 #![feature(control_flow_enum)]
 #![feature(if_let_guard)]
 #![feature(let_chains)]
-#![feature(spec_option_partial_eq)]
 #![feature(min_specialization)]
 #![feature(once_cell)]
 #![recursion_limit = "256"]

diff --git a/compiler/rustc_mir_dataflow/src/lib.rs b/compiler/rustc_mir_dataflow/src/lib.rs
index 31f27860fa7fde00eb81f29bbd4690a03c126709..b471d04fd606f815bea91545683a9dedfad501ee 100644 (file)
--- a/compiler/rustc_mir_dataflow/src/lib.rs
+++ b/compiler/rustc_mir_dataflow/src/lib.rs
@@ -4,7 +4,6 @@
 #![feature(min_specialization)]
 #![feature(once_cell)]
 #![feature(stmt_expr_attributes)]
-#![feature(spec_option_partial_eq)]
 #![feature(trusted_step)]
 #![recursion_limit = "256"]
 #![deny(rustc::untranslatable_diagnostic)]

diff --git a/compiler/rustc_mir_transform/src/lib.rs b/compiler/rustc_mir_transform/src/lib.rs
index 9afa1171e7c950c3a6ad59f8d151e91d50ed1e9d..4791be1306c1b09235074c849503800298cf8ae6 100644 (file)
--- a/compiler/rustc_mir_transform/src/lib.rs
+++ b/compiler/rustc_mir_transform/src/lib.rs
@@ -7,7 +7,6 @@
 #![feature(once_cell)]
 #![feature(option_get_or_insert_default)]
 #![feature(trusted_step)]
-#![feature(spec_option_partial_eq)]
 #![feature(try_blocks)]
 #![feature(yeet_expr)]
 #![feature(if_let_guard)]

diff --git a/compiler/rustc_passes/src/lib.rs b/compiler/rustc_passes/src/lib.rs
index 294a22d80c256b412858fe7079f651e81c76cd08..15f60f626c89aa54be31b73707b0a34a87f80c6d 100644 (file)
--- a/compiler/rustc_passes/src/lib.rs
+++ b/compiler/rustc_passes/src/lib.rs
@@ -11,7 +11,6 @@
 #![feature(iter_intersperse)]
 #![feature(let_chains)]
 #![feature(map_try_insert)]
-#![feature(spec_option_partial_eq)]
 #![feature(min_specialization)]
 #![feature(try_blocks)]
 #![recursion_limit = "256"]

diff --git a/compiler/rustc_query_system/src/lib.rs b/compiler/rustc_query_system/src/lib.rs
index b0781c77b4a894f02b939bba3925bf0e989864af..f47760e9ae6c8aa5818c875f8396ce4a6ff43b1d 100644 (file)
--- a/compiler/rustc_query_system/src/lib.rs
+++ b/compiler/rustc_query_system/src/lib.rs
@@ -3,7 +3,6 @@
 #![feature(hash_raw_entry)]
 #![feature(min_specialization)]
 #![feature(extern_types)]
-#![feature(spec_option_partial_eq)]
 #![allow(rustc::potential_query_instability)]
 #![deny(rustc::untranslatable_diagnostic)]
 #![deny(rustc::diagnostic_outside_of_impl)]

diff --git a/compiler/rustc_span/src/lib.rs b/compiler/rustc_span/src/lib.rs
index 7a1e6e36f3ea72463efe68a87a2edb8905a74999..322c7104be425966930a74ff37dfb7d0219b14b5 100644 (file)
--- a/compiler/rustc_span/src/lib.rs
+++ b/compiler/rustc_span/src/lib.rs
@@ -18,7 +18,6 @@
 #![feature(if_let_guard)]
 #![feature(negative_impls)]
 #![feature(min_specialization)]
-#![feature(spec_option_partial_eq)]
 #![feature(rustc_attrs)]
 #![deny(rustc::untranslatable_diagnostic)]
 #![deny(rustc::diagnostic_outside_of_impl)]

diff --git a/compiler/rustc_target/src/lib.rs b/compiler/rustc_target/src/lib.rs
index 464214b64de1d62b74d3b506c8a0b25bfe3b7bd6..aaba0d7f093ae0c33b1e3f11078b157f5beffd43 100644 (file)
--- a/compiler/rustc_target/src/lib.rs
+++ b/compiler/rustc_target/src/lib.rs
@@ -14,7 +14,6 @@
 #![feature(min_specialization)]
 #![feature(never_type)]
 #![feature(rustc_attrs)]
-#![feature(spec_option_partial_eq)]
 #![feature(step_trait)]
 #![deny(rustc::untranslatable_diagnostic)]
 #![deny(rustc::diagnostic_outside_of_impl)]

diff --git a/compiler/rustc_type_ir/src/lib.rs b/compiler/rustc_type_ir/src/lib.rs
index e77da97e1dd4a58da35d510eda8f420f5ee165f1..7fbe78aa52353b98968ab4541412c77df925f043 100644 (file)
--- a/compiler/rustc_type_ir/src/lib.rs
+++ b/compiler/rustc_type_ir/src/lib.rs
@@ -1,7 +1,6 @@
 #![feature(fmt_helpers_for_derive)]
 #![feature(min_specialization)]
 #![feature(rustc_attrs)]
-#![feature(spec_option_partial_eq)]
 #![deny(rustc::untranslatable_diagnostic)]
 #![deny(rustc::diagnostic_outside_of_impl)]
 

diff --git a/library/core/src/option.rs b/library/core/src/option.rs
index e462f840fda8876340aa2888cb8ca2a92ccb51e6..ab2ce5a7b003772c715f2384c38480e2f078a7e0 100644 (file)
--- a/library/core/src/option.rs
+++ b/library/core/src/option.rs
@@ -2045,13 +2045,13 @@ fn eq(&self, other: &Self) -> bool {
     }
 }
 
-#[unstable(feature = "spec_option_partial_eq", issue = "none")]
+#[unstable(feature = "spec_option_partial_eq", issue = "none", reason = "exposed only for rustc")]
 #[doc(hidden)]
 pub trait SpecOptionPartialEq: Sized {
     fn eq(l: &Option<Self>, other: &Option<Self>) -> bool;
 }
 
-#[unstable(feature = "spec_option_partial_eq", issue = "none")]
+#[unstable(feature = "spec_option_partial_eq", issue = "none", reason = "exposed only for rustc")]
 impl<T: PartialEq> SpecOptionPartialEq for T {
     #[inline]
     default fn eq(l: &Option<T>, r: &Option<T>) -> bool {