Rollup merge of rust-lang#144997 - BoxyUwU:bootstrap_bump, r=Mark-Simulacrum

bump bootstrap compiler to 1.90 beta

There were significantly less `cfg(bootstrap)` and `cfg(not(bootstrap))` this release. Presumably due to the fact that we change the bootstrap stage orderings to reduce the need for them and it was successful 🙏

Author: Zalathar

compiler/rustc_feature/src/removed.rs

@@ -54,7 +54,7 @@ declare_features! (
 
     /// Allows using the `amdgpu-kernel` ABI.
     (removed, abi_amdgpu_kernel, "1.77.0", Some(51575), None, 120495),
-    (removed, abi_c_cmse_nonsecure_call, "CURRENT_RUSTC_VERSION", Some(81391), Some("renamed to abi_cmse_nonsecure_call"), 142146),
+    (removed, abi_c_cmse_nonsecure_call, "1.90.0", Some(81391), Some("renamed to abi_cmse_nonsecure_call"), 142146),
     (removed, advanced_slice_patterns, "1.42.0", Some(62254),
      Some("merged into `#![feature(slice_patterns)]`"), 67712),
     (removed, allocator, "1.0.0", None, None),
@@ -300,7 +300,7 @@ declare_features! (
     // FIXME(#141617): we should have a better way to track removed library features, but we reuse
     // the infrastructure here so users still get hints. The symbols used here can be remove from
     // `symbol.rs` when that happens.
-    (removed, concat_idents, "CURRENT_RUSTC_VERSION", Some(29599),
+    (removed, concat_idents, "1.90.0", Some(29599),
      Some("use the `${concat(..)}` metavariable expression instead"), 142704),
     // -------------------------------------------------------------------------
     // feature-group-end: removed library features

compiler/rustc_feature/src/unstable.rs

@@ -352,7 +352,7 @@ declare_features! (
     /// Allows `extern "avr-interrupt" fn()` and `extern "avr-non-blocking-interrupt" fn()`.
     (unstable, abi_avr_interrupt, "1.45.0", Some(69664)),
     /// Allows `extern "cmse-nonsecure-call" fn()`.
-    (unstable, abi_cmse_nonsecure_call, "CURRENT_RUSTC_VERSION", Some(81391)),
+    (unstable, abi_cmse_nonsecure_call, "1.90.0", Some(81391)),
     /// Allows `extern "custom" fn()`.
     (unstable, abi_custom, "1.89.0", Some(140829)),
     /// Allows `extern "gpu-kernel" fn()`.
@@ -552,7 +552,7 @@ declare_features! (
     /// to pass custom arguments to the linker.
     (unstable, link_arg_attribute, "1.76.0", Some(99427)),
     /// Allows fused `loop`/`match` for direct intraprocedural jumps.
-    (incomplete, loop_match, "CURRENT_RUSTC_VERSION", Some(132306)),
+    (incomplete, loop_match, "1.90.0", Some(132306)),
     /// Give access to additional metadata about declarative macro meta-variables.
     (unstable, macro_metavar_expr, "1.61.0", Some(83527)),
     /// Provides a way to concatenate identifiers using metavariable expressions.

library/alloc/src/ffi/c_str.rs

@@ -1099,7 +1099,7 @@ impl From<&CStr> for CString {
     }
 }
 
-#[stable(feature = "c_string_eq_c_str", since = "CURRENT_RUSTC_VERSION")]
+#[stable(feature = "c_string_eq_c_str", since = "1.90.0")]
 impl PartialEq<CStr> for CString {
     #[inline]
     fn eq(&self, other: &CStr) -> bool {
@@ -1112,7 +1112,7 @@ impl PartialEq<CStr> for CString {
     }
 }
 
-#[stable(feature = "c_string_eq_c_str", since = "CURRENT_RUSTC_VERSION")]
+#[stable(feature = "c_string_eq_c_str", since = "1.90.0")]
 impl PartialEq<&CStr> for CString {
     #[inline]
     fn eq(&self, other: &&CStr) -> bool {
@@ -1126,7 +1126,7 @@ impl PartialEq<&CStr> for CString {
 }
 
 #[cfg(not(no_global_oom_handling))]
-#[stable(feature = "c_string_eq_c_str", since = "CURRENT_RUSTC_VERSION")]
+#[stable(feature = "c_string_eq_c_str", since = "1.90.0")]
 impl PartialEq<Cow<'_, CStr>> for CString {
     #[inline]
     fn eq(&self, other: &Cow<'_, CStr>) -> bool {
@@ -1221,7 +1221,7 @@ impl CStr {
     }
 }
 
-#[stable(feature = "c_string_eq_c_str", since = "CURRENT_RUSTC_VERSION")]
+#[stable(feature = "c_string_eq_c_str", since = "1.90.0")]
 impl PartialEq<CString> for CStr {
     #[inline]
     fn eq(&self, other: &CString) -> bool {
@@ -1235,7 +1235,7 @@ impl PartialEq<CString> for CStr {
 }
 
 #[cfg(not(no_global_oom_handling))]
-#[stable(feature = "c_string_eq_c_str", since = "CURRENT_RUSTC_VERSION")]
+#[stable(feature = "c_string_eq_c_str", since = "1.90.0")]
 impl PartialEq<Cow<'_, Self>> for CStr {
     #[inline]
     fn eq(&self, other: &Cow<'_, Self>) -> bool {
@@ -1249,7 +1249,7 @@ impl PartialEq<Cow<'_, Self>> for CStr {
 }
 
 #[cfg(not(no_global_oom_handling))]
-#[stable(feature = "c_string_eq_c_str", since = "CURRENT_RUSTC_VERSION")]
+#[stable(feature = "c_string_eq_c_str", since = "1.90.0")]
 impl PartialEq<CStr> for Cow<'_, CStr> {
     #[inline]
     fn eq(&self, other: &CStr) -> bool {
@@ -1263,7 +1263,7 @@ impl PartialEq<CStr> for Cow<'_, CStr> {
 }
 
 #[cfg(not(no_global_oom_handling))]
-#[stable(feature = "c_string_eq_c_str", since = "CURRENT_RUSTC_VERSION")]
+#[stable(feature = "c_string_eq_c_str", since = "1.90.0")]
 impl PartialEq<&CStr> for Cow<'_, CStr> {
     #[inline]
     fn eq(&self, other: &&CStr) -> bool {
@@ -1277,7 +1277,7 @@ impl PartialEq<&CStr> for Cow<'_, CStr> {
 }
 
 #[cfg(not(no_global_oom_handling))]
-#[stable(feature = "c_string_eq_c_str", since = "CURRENT_RUSTC_VERSION")]
+#[stable(feature = "c_string_eq_c_str", since = "1.90.0")]
 impl PartialEq<CString> for Cow<'_, CStr> {
     #[inline]
     fn eq(&self, other: &CString) -> bool {

library/core/src/array/mod.rs

@@ -378,7 +378,7 @@ impl<'a, T, const N: usize> IntoIterator for &'a mut [T; N] {
 #[rustc_const_unstable(feature = "const_index", issue = "143775")]
 impl<T, I, const N: usize> const Index<I> for [T; N]
 where
-    [T]: ~const Index<I>,
+    [T]: [const] Index<I>,
 {
     type Output = <[T] as Index<I>>::Output;
 
@@ -392,7 +392,7 @@ where
 #[rustc_const_unstable(feature = "const_index", issue = "143775")]
 impl<T, I, const N: usize> const IndexMut<I> for [T; N]
 where
-    [T]: ~const IndexMut<I>,
+    [T]: [const] IndexMut<I>,
 {
     #[inline]
     fn index_mut(&mut self, index: I) -> &mut Self::Output {

library/core/src/cell.rs

@@ -334,7 +334,7 @@ impl<T: Copy> Clone for Cell<T> {
 
 #[stable(feature = "rust1", since = "1.0.0")]
 #[rustc_const_unstable(feature = "const_default", issue = "143894")]
-impl<T: ~const Default> const Default for Cell<T> {
+impl<T: [const] Default> const Default for Cell<T> {
     /// Creates a `Cell<T>`, with the `Default` value for T.
     #[inline]
     fn default() -> Cell<T> {
@@ -1325,7 +1325,7 @@ impl<T: Clone> Clone for RefCell<T> {
 
 #[stable(feature = "rust1", since = "1.0.0")]
 #[rustc_const_unstable(feature = "const_default", issue = "143894")]
-impl<T: ~const Default> const Default for RefCell<T> {
+impl<T: [const] Default> const Default for RefCell<T> {
     /// Creates a `RefCell<T>`, with the `Default` value for T.
     #[inline]
     fn default() -> RefCell<T> {
@@ -2333,7 +2333,7 @@ impl<T: ?Sized> UnsafeCell<T> {
 
 #[stable(feature = "unsafe_cell_default", since = "1.10.0")]
 #[rustc_const_unstable(feature = "const_default", issue = "143894")]
-impl<T: ~const Default> const Default for UnsafeCell<T> {
+impl<T: [const] Default> const Default for UnsafeCell<T> {
     /// Creates an `UnsafeCell`, with the `Default` value for T.
     fn default() -> UnsafeCell<T> {
         UnsafeCell::new(Default::default())
@@ -2438,7 +2438,7 @@ impl<T: ?Sized> SyncUnsafeCell<T> {
 
 #[unstable(feature = "sync_unsafe_cell", issue = "95439")]
 #[rustc_const_unstable(feature = "const_default", issue = "143894")]
-impl<T: ~const Default> const Default for SyncUnsafeCell<T> {
+impl<T: [const] Default> const Default for SyncUnsafeCell<T> {
     /// Creates an `SyncUnsafeCell`, with the `Default` value for T.
     fn default() -> SyncUnsafeCell<T> {
         SyncUnsafeCell::new(Default::default())

library/core/src/clone.rs

@@ -212,7 +212,7 @@ pub trait Clone: Sized {
     #[stable(feature = "rust1", since = "1.0.0")]
     fn clone_from(&mut self, source: &Self)
     where
-        Self: ~const Destruct,
+        Self: [const] Destruct,
     {
         *self = source.clone()
     }

library/core/src/cmp.rs

@@ -2022,7 +2022,7 @@ mod impls {
     #[rustc_const_unstable(feature = "const_cmp", issue = "143800")]
     impl<A: PointeeSized, B: PointeeSized> const PartialEq<&B> for &A
     where
-        A: ~const PartialEq<B>,
+        A: [const] PartialEq<B>,
     {
         #[inline]
         fn eq(&self, other: &&B) -> bool {
@@ -2094,7 +2094,7 @@ mod impls {
     #[rustc_const_unstable(feature = "const_cmp", issue = "143800")]
     impl<A: PointeeSized, B: PointeeSized> const PartialEq<&mut B> for &mut A
     where
-        A: ~const PartialEq<B>,
+        A: [const] PartialEq<B>,
     {
         #[inline]
         fn eq(&self, other: &&mut B) -> bool {
@@ -2164,7 +2164,7 @@ mod impls {
     #[rustc_const_unstable(feature = "const_cmp", issue = "143800")]
     impl<A: PointeeSized, B: PointeeSized> const PartialEq<&mut B> for &A
     where
-        A: ~const PartialEq<B>,
+        A: [const] PartialEq<B>,
     {
         #[inline]
         fn eq(&self, other: &&mut B) -> bool {
@@ -2180,7 +2180,7 @@ mod impls {
     #[rustc_const_unstable(feature = "const_cmp", issue = "143800")]
     impl<A: PointeeSized, B: PointeeSized> const PartialEq<&B> for &mut A
     where
-        A: ~const PartialEq<B>,
+        A: [const] PartialEq<B>,
     {
         #[inline]
         fn eq(&self, other: &&B) -> bool {

library/core/src/cmp/bytewise.rs

@@ -19,7 +19,7 @@ use crate::num::NonZero;
 #[rustc_specialization_trait]
 #[const_trait]
 pub(crate) unsafe trait BytewiseEq<Rhs = Self>:
-    ~const PartialEq<Rhs> + Sized
+    [const] PartialEq<Rhs> + Sized
 {
 }
 

library/core/src/convert/mod.rs

@@ -717,7 +717,7 @@ pub trait TryFrom<T>: Sized {
 #[rustc_const_unstable(feature = "const_try", issue = "74935")]
 impl<T: PointeeSized, U: PointeeSized> const AsRef<U> for &T
 where
-    T: ~const AsRef<U>,
+    T: [const] AsRef<U>,
 {
     #[inline]
     fn as_ref(&self) -> &U {
@@ -730,7 +730,7 @@ where
 #[rustc_const_unstable(feature = "const_try", issue = "74935")]
 impl<T: PointeeSized, U: PointeeSized> const AsRef<U> for &mut T
 where
-    T: ~const AsRef<U>,
+    T: [const] AsRef<U>,
 {
     #[inline]
     fn as_ref(&self) -> &U {
@@ -751,7 +751,7 @@ where
 #[rustc_const_unstable(feature = "const_try", issue = "74935")]
 impl<T: PointeeSized, U: PointeeSized> const AsMut<U> for &mut T
 where
-    T: ~const AsMut<U>,
+    T: [const] AsMut<U>,
 {
     #[inline]
     fn as_mut(&mut self) -> &mut U {
@@ -772,7 +772,7 @@ where
 #[rustc_const_unstable(feature = "const_from", issue = "143773")]
 impl<T, U> const Into<U> for T
 where
-    U: ~const From<T>,
+    U: [const] From<T>,
 {
     /// Calls `U::from(self)`.
     ///
@@ -816,7 +816,7 @@ impl<T> const From<!> for T {
 #[rustc_const_unstable(feature = "const_from", issue = "143773")]
 impl<T, U> const TryInto<U> for T
 where
-    U: ~const TryFrom<T>,
+    U: [const] TryFrom<T>,
 {
     type Error = U::Error;
 
@@ -832,7 +832,7 @@ where
 #[rustc_const_unstable(feature = "const_from", issue = "143773")]
 impl<T, U> const TryFrom<U> for T
 where
-    U: ~const Into<T>,
+    U: [const] Into<T>,
 {
     type Error = Infallible;
 

library/core/src/ffi/c_str.rs

@@ -652,7 +652,7 @@ impl CStr {
     }
 }
 
-#[stable(feature = "c_string_eq_c_str", since = "CURRENT_RUSTC_VERSION")]
+#[stable(feature = "c_string_eq_c_str", since = "1.90.0")]
 impl PartialEq<&Self> for CStr {
     #[inline]
     fn eq(&self, other: &&Self) -> bool {