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-rw-r--r--library/std/src/f128.rs225
-rw-r--r--library/std/src/f16.rs225
-rw-r--r--library/std/src/io/error.rs2
-rw-r--r--library/std/src/lib.rs1
-rw-r--r--library/std/src/prelude/v1.rs1
-rw-r--r--library/std/src/thread/mod.rs2
6 files changed, 182 insertions, 274 deletions
diff --git a/library/std/src/f128.rs b/library/std/src/f128.rs
index 2b416b13fa5..6b2ba2e714c 100644
--- a/library/std/src/f128.rs
+++ b/library/std/src/f128.rs
@@ -22,10 +22,9 @@ impl f128 {
     ///
     /// ```
     /// #![feature(f128)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f128_math)] {
     ///
     /// let f = 3.7_f128;
@@ -53,10 +52,9 @@ impl f128 {
     ///
     /// ```
     /// #![feature(f128)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f128_math)] {
     ///
     /// let f = 3.01_f128;
@@ -84,10 +82,9 @@ impl f128 {
     ///
     /// ```
     /// #![feature(f128)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f128_math)] {
     ///
     /// let f = 3.3_f128;
@@ -120,10 +117,9 @@ impl f128 {
     ///
     /// ```
     /// #![feature(f128)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f128_math)] {
     ///
     /// let f = 3.3_f128;
@@ -154,10 +150,9 @@ impl f128 {
     ///
     /// ```
     /// #![feature(f128)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f128_math)] {
     ///
     /// let f = 3.7_f128;
@@ -186,10 +181,9 @@ impl f128 {
     ///
     /// ```
     /// #![feature(f128)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f128_math)] {
     ///
     /// let x = 3.6_f128;
@@ -227,10 +221,9 @@ impl f128 {
     ///
     /// ```
     /// #![feature(f128)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f128_math)] {
     ///
     /// let m = 10.0_f128;
@@ -275,10 +268,9 @@ impl f128 {
     ///
     /// ```
     /// #![feature(f128)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f128_math)] {
     ///
     /// let a: f128 = 7.0;
@@ -321,10 +313,9 @@ impl f128 {
     ///
     /// ```
     /// #![feature(f128)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f128_math)] {
     ///
     /// let a: f128 = 7.0;
@@ -362,10 +353,9 @@ impl f128 {
     ///
     /// ```
     /// #![feature(f128)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f128_math)] {
     ///
     /// let x = 2.0_f128;
@@ -394,10 +384,9 @@ impl f128 {
     ///
     /// ```
     /// #![feature(f128)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f128_math)] {
     ///
     /// let x = 2.0_f128;
@@ -430,10 +419,9 @@ impl f128 {
     ///
     /// ```
     /// #![feature(f128)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f128_math)] {
     ///
     /// let positive = 4.0_f128;
@@ -465,10 +453,9 @@ impl f128 {
     ///
     /// ```
     /// #![feature(f128)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f128_math)] {
     ///
     /// let one = 1.0f128;
@@ -500,10 +487,9 @@ impl f128 {
     ///
     /// ```
     /// #![feature(f128)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f128_math)] {
     ///
     /// let f = 2.0f128;
@@ -535,10 +521,9 @@ impl f128 {
     ///
     /// ```
     /// #![feature(f128)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f128_math)] {
     ///
     /// let one = 1.0f128;
@@ -555,10 +540,9 @@ impl f128 {
     /// Non-positive values:
     /// ```
     /// #![feature(f128)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f128_math)] {
     ///
     /// assert_eq!(0_f128.ln(), f128::NEG_INFINITY);
@@ -590,10 +574,9 @@ impl f128 {
     ///
     /// ```
     /// #![feature(f128)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f128_math)] {
     ///
     /// let five = 5.0f128;
@@ -608,10 +591,9 @@ impl f128 {
     /// Non-positive values:
     /// ```
     /// #![feature(f128)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f128_math)] {
     ///
     /// assert_eq!(0_f128.log(10.0), f128::NEG_INFINITY);
@@ -639,10 +621,9 @@ impl f128 {
     ///
     /// ```
     /// #![feature(f128)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f128_math)] {
     ///
     /// let two = 2.0f128;
@@ -657,10 +638,9 @@ impl f128 {
     /// Non-positive values:
     /// ```
     /// #![feature(f128)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f128_math)] {
     ///
     /// assert_eq!(0_f128.log2(), f128::NEG_INFINITY);
@@ -688,10 +668,9 @@ impl f128 {
     ///
     /// ```
     /// #![feature(f128)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f128_math)] {
     ///
     /// let ten = 10.0f128;
@@ -706,10 +685,9 @@ impl f128 {
     /// Non-positive values:
     /// ```
     /// #![feature(f128)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f128_math)] {
     ///
     /// assert_eq!(0_f128.log10(), f128::NEG_INFINITY);
@@ -739,10 +717,9 @@ impl f128 {
     ///
     /// ```
     /// #![feature(f128)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f128_math)] {
     ///
     /// let x = 8.0f128;
@@ -779,10 +756,9 @@ impl f128 {
     ///
     /// ```
     /// #![feature(f128)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f128_math)] {
     ///
     /// let x = 2.0f128;
@@ -813,10 +789,9 @@ impl f128 {
     ///
     /// ```
     /// #![feature(f128)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f128_math)] {
     ///
     /// let x = std::f128::consts::FRAC_PI_2;
@@ -845,10 +820,9 @@ impl f128 {
     ///
     /// ```
     /// #![feature(f128)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f128_math)] {
     ///
     /// let x = 2.0 * std::f128::consts::PI;
@@ -880,10 +854,9 @@ impl f128 {
     ///
     /// ```
     /// #![feature(f128)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f128_math)] {
     ///
     /// let x = std::f128::consts::FRAC_PI_4;
@@ -916,10 +889,9 @@ impl f128 {
     ///
     /// ```
     /// #![feature(f128)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f128_math)] {
     ///
     /// let f = std::f128::consts::FRAC_PI_2;
@@ -955,10 +927,9 @@ impl f128 {
     ///
     /// ```
     /// #![feature(f128)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f128_math)] {
     ///
     /// let f = std::f128::consts::FRAC_PI_4;
@@ -993,10 +964,9 @@ impl f128 {
     ///
     /// ```
     /// #![feature(f128)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f128_math)] {
     ///
     /// let f = 1.0f128;
@@ -1035,10 +1005,9 @@ impl f128 {
     ///
     /// ```
     /// #![feature(f128)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f128_math)] {
     ///
     /// // Positive angles measured counter-clockwise
@@ -1081,10 +1050,9 @@ impl f128 {
     ///
     /// ```
     /// #![feature(f128)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f128_math)] {
     ///
     /// let x = std::f128::consts::FRAC_PI_4;
@@ -1120,10 +1088,9 @@ impl f128 {
     ///
     /// ```
     /// #![feature(f128)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f128_math)] {
     ///
     /// let x = 1e-8_f128;
@@ -1160,10 +1127,9 @@ impl f128 {
     ///
     /// ```
     /// #![feature(f128)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f128_math)] {
     ///
     /// let x = 1e-8_f128;
@@ -1179,10 +1145,9 @@ impl f128 {
     /// Out-of-range values:
     /// ```
     /// #![feature(f128)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f128_math)] {
     ///
     /// assert_eq!((-1.0_f128).ln_1p(), f128::NEG_INFINITY);
@@ -1212,10 +1177,9 @@ impl f128 {
     ///
     /// ```
     /// #![feature(f128)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f128_math)] {
     ///
     /// let e = std::f128::consts::E;
@@ -1251,10 +1215,9 @@ impl f128 {
     ///
     /// ```
     /// #![feature(f128)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f128_math)] {
     ///
     /// let e = std::f128::consts::E;
@@ -1290,10 +1253,9 @@ impl f128 {
     ///
     /// ```
     /// #![feature(f128)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f128_math)] {
     ///
     /// let e = std::f128::consts::E;
@@ -1326,10 +1288,9 @@ impl f128 {
     ///
     /// ```
     /// #![feature(f128)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f128_math)] {
     ///
     /// let x = 1.0f128;
@@ -1362,10 +1323,9 @@ impl f128 {
     ///
     /// ```
     /// #![feature(f128)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f128_math)] {
     ///
     /// let x = 1.0f128;
@@ -1400,10 +1360,9 @@ impl f128 {
     ///
     /// ```
     /// #![feature(f128)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f128_math)] {
     ///
     /// let e = std::f128::consts::E;
@@ -1438,10 +1397,9 @@ impl f128 {
     /// ```
     /// #![feature(f128)]
     /// #![feature(float_gamma)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f128_math)] {
     ///
     /// let x = 5.0f128;
@@ -1477,10 +1435,9 @@ impl f128 {
     /// ```
     /// #![feature(f128)]
     /// #![feature(float_gamma)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f128_math)] {
     ///
     /// let x = 2.0f128;
@@ -1516,10 +1473,9 @@ impl f128 {
     /// ```
     /// #![feature(f128)]
     /// #![feature(float_erf)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f128_math)] {
     /// /// The error function relates what percent of a normal distribution lies
     /// /// within `x` standard deviations (scaled by `1/sqrt(2)`).
@@ -1559,10 +1515,9 @@ impl f128 {
     /// ```
     /// #![feature(f128)]
     /// #![feature(float_erf)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f128_math)] {
     /// let x: f128 = 0.123;
     ///
diff --git a/library/std/src/f16.rs b/library/std/src/f16.rs
index 3f88ab2d400..d6bc1d3118a 100644
--- a/library/std/src/f16.rs
+++ b/library/std/src/f16.rs
@@ -22,10 +22,9 @@ impl f16 {
     ///
     /// ```
     /// #![feature(f16)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f16_math)] {
     ///
     /// let f = 3.7_f16;
@@ -53,10 +52,9 @@ impl f16 {
     ///
     /// ```
     /// #![feature(f16)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f16_math)] {
     ///
     /// let f = 3.01_f16;
@@ -84,10 +82,9 @@ impl f16 {
     ///
     /// ```
     /// #![feature(f16)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f16_math)] {
     ///
     /// let f = 3.3_f16;
@@ -120,10 +117,9 @@ impl f16 {
     ///
     /// ```
     /// #![feature(f16)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f16_math)] {
     ///
     /// let f = 3.3_f16;
@@ -154,10 +150,9 @@ impl f16 {
     ///
     /// ```
     /// #![feature(f16)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f16_math)] {
     ///
     /// let f = 3.7_f16;
@@ -186,10 +181,9 @@ impl f16 {
     ///
     /// ```
     /// #![feature(f16)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f16_math)] {
     ///
     /// let x = 3.6_f16;
@@ -227,10 +221,9 @@ impl f16 {
     ///
     /// ```
     /// #![feature(f16)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f16_math)] {
     ///
     /// let m = 10.0_f16;
@@ -275,10 +268,9 @@ impl f16 {
     ///
     /// ```
     /// #![feature(f16)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f16_math)] {
     ///
     /// let a: f16 = 7.0;
@@ -321,10 +313,9 @@ impl f16 {
     ///
     /// ```
     /// #![feature(f16)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f16_math)] {
     ///
     /// let a: f16 = 7.0;
@@ -362,10 +353,9 @@ impl f16 {
     ///
     /// ```
     /// #![feature(f16)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f16_math)] {
     ///
     /// let x = 2.0_f16;
@@ -394,10 +384,9 @@ impl f16 {
     ///
     /// ```
     /// #![feature(f16)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f16_math)] {
     ///
     /// let x = 2.0_f16;
@@ -430,10 +419,9 @@ impl f16 {
     ///
     /// ```
     /// #![feature(f16)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f16_math)] {
     ///
     /// let positive = 4.0_f16;
@@ -465,10 +453,9 @@ impl f16 {
     ///
     /// ```
     /// #![feature(f16)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f16_math)] {
     ///
     /// let one = 1.0f16;
@@ -500,10 +487,9 @@ impl f16 {
     ///
     /// ```
     /// #![feature(f16)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f16_math)] {
     ///
     /// let f = 2.0f16;
@@ -535,10 +521,9 @@ impl f16 {
     ///
     /// ```
     /// #![feature(f16)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f16_math)] {
     ///
     /// let one = 1.0f16;
@@ -555,10 +540,9 @@ impl f16 {
     /// Non-positive values:
     /// ```
     /// #![feature(f16)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f16_math)] {
     ///
     /// assert_eq!(0_f16.ln(), f16::NEG_INFINITY);
@@ -590,10 +574,9 @@ impl f16 {
     ///
     /// ```
     /// #![feature(f16)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f16_math)] {
     ///
     /// let five = 5.0f16;
@@ -608,10 +591,9 @@ impl f16 {
     /// Non-positive values:
     /// ```
     /// #![feature(f16)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f16_math)] {
     ///
     /// assert_eq!(0_f16.log(10.0), f16::NEG_INFINITY);
@@ -639,10 +621,9 @@ impl f16 {
     ///
     /// ```
     /// #![feature(f16)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f16_math)] {
     ///
     /// let two = 2.0f16;
@@ -657,10 +638,9 @@ impl f16 {
     /// Non-positive values:
     /// ```
     /// #![feature(f16)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f16_math)] {
     ///
     /// assert_eq!(0_f16.log2(), f16::NEG_INFINITY);
@@ -688,10 +668,9 @@ impl f16 {
     ///
     /// ```
     /// #![feature(f16)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f16_math)] {
     ///
     /// let ten = 10.0f16;
@@ -706,10 +685,9 @@ impl f16 {
     /// Non-positive values:
     /// ```
     /// #![feature(f16)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f16_math)] {
     ///
     /// assert_eq!(0_f16.log10(), f16::NEG_INFINITY);
@@ -738,10 +716,9 @@ impl f16 {
     ///
     /// ```
     /// #![feature(f16)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f16_math)] {
     ///
     /// let x = 8.0f16;
@@ -777,10 +754,9 @@ impl f16 {
     ///
     /// ```
     /// #![feature(f16)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f16_math)] {
     ///
     /// let x = 2.0f16;
@@ -811,10 +787,9 @@ impl f16 {
     ///
     /// ```
     /// #![feature(f16)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f16_math)] {
     ///
     /// let x = std::f16::consts::FRAC_PI_2;
@@ -843,10 +818,9 @@ impl f16 {
     ///
     /// ```
     /// #![feature(f16)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f16_math)] {
     ///
     /// let x = 2.0 * std::f16::consts::PI;
@@ -878,10 +852,9 @@ impl f16 {
     ///
     /// ```
     /// #![feature(f16)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f16_math)] {
     ///
     /// let x = std::f16::consts::FRAC_PI_4;
@@ -914,10 +887,9 @@ impl f16 {
     ///
     /// ```
     /// #![feature(f16)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f16_math)] {
     ///
     /// let f = std::f16::consts::FRAC_PI_2;
@@ -953,10 +925,9 @@ impl f16 {
     ///
     /// ```
     /// #![feature(f16)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f16_math)] {
     ///
     /// let f = std::f16::consts::FRAC_PI_4;
@@ -991,10 +962,9 @@ impl f16 {
     ///
     /// ```
     /// #![feature(f16)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f16_math)] {
     ///
     /// let f = 1.0f16;
@@ -1033,10 +1003,9 @@ impl f16 {
     ///
     /// ```
     /// #![feature(f16)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f16_math)] {
     ///
     /// // Positive angles measured counter-clockwise
@@ -1079,10 +1048,9 @@ impl f16 {
     ///
     /// ```
     /// #![feature(f16)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f16_math)] {
     ///
     /// let x = std::f16::consts::FRAC_PI_4;
@@ -1118,10 +1086,9 @@ impl f16 {
     ///
     /// ```
     /// #![feature(f16)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f16_math)] {
     ///
     /// let x = 1e-4_f16;
@@ -1158,10 +1125,9 @@ impl f16 {
     ///
     /// ```
     /// #![feature(f16)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f16_math)] {
     ///
     /// let x = 1e-4_f16;
@@ -1177,10 +1143,9 @@ impl f16 {
     /// Out-of-range values:
     /// ```
     /// #![feature(f16)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f16_math)] {
     ///
     /// assert_eq!((-1.0_f16).ln_1p(), f16::NEG_INFINITY);
@@ -1210,10 +1175,9 @@ impl f16 {
     ///
     /// ```
     /// #![feature(f16)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f16_math)] {
     ///
     /// let e = std::f16::consts::E;
@@ -1249,10 +1213,9 @@ impl f16 {
     ///
     /// ```
     /// #![feature(f16)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f16_math)] {
     ///
     /// let e = std::f16::consts::E;
@@ -1288,10 +1251,9 @@ impl f16 {
     ///
     /// ```
     /// #![feature(f16)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f16_math)] {
     ///
     /// let e = std::f16::consts::E;
@@ -1324,10 +1286,9 @@ impl f16 {
     ///
     /// ```
     /// #![feature(f16)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f16_math)] {
     ///
     /// let x = 1.0f16;
@@ -1360,10 +1321,9 @@ impl f16 {
     ///
     /// ```
     /// #![feature(f16)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f16_math)] {
     ///
     /// let x = 1.0f16;
@@ -1398,10 +1358,9 @@ impl f16 {
     ///
     /// ```
     /// #![feature(f16)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f16_math)] {
     ///
     /// let e = std::f16::consts::E;
@@ -1436,10 +1395,9 @@ impl f16 {
     /// ```
     /// #![feature(f16)]
     /// #![feature(float_gamma)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f16_math)] {
     ///
     /// let x = 5.0f16;
@@ -1475,10 +1433,9 @@ impl f16 {
     /// ```
     /// #![feature(f16)]
     /// #![feature(float_gamma)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f16_math)] {
     ///
     /// let x = 2.0f16;
@@ -1514,10 +1471,9 @@ impl f16 {
     /// ```
     /// #![feature(f16)]
     /// #![feature(float_erf)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f16_math)] {
     /// /// The error function relates what percent of a normal distribution lies
     /// /// within `x` standard deviations (scaled by `1/sqrt(2)`).
@@ -1557,10 +1513,9 @@ impl f16 {
     /// ```
     /// #![feature(f16)]
     /// #![feature(float_erf)]
-    /// # #![cfg_attr(not(bootstrap), feature(cfg_target_has_reliable_f16_f128))]
-    /// # #![cfg_attr(not(bootstrap), expect(internal_features))]
+    /// # #![feature(cfg_target_has_reliable_f16_f128)]
+    /// # #![expect(internal_features)]
     /// # #[cfg(not(miri))]
-    /// # #[cfg(not(bootstrap))]
     /// # #[cfg(target_has_reliable_f16_math)] {
     /// let x: f16 = 0.123;
     ///
diff --git a/library/std/src/io/error.rs b/library/std/src/io/error.rs
index cf3778bd290..ba765a6203f 100644
--- a/library/std/src/io/error.rs
+++ b/library/std/src/io/error.rs
@@ -48,7 +48,7 @@ use crate::{error, fmt, result, sys};
 /// }
 /// ```
 #[stable(feature = "rust1", since = "1.0.0")]
-#[cfg_attr(not(bootstrap), doc(search_unbox))]
+#[doc(search_unbox)]
 pub type Result<T> = result::Result<T, Error>;
 
 /// The error type for I/O operations of the [`Read`], [`Write`], [`Seek`], and
diff --git a/library/std/src/lib.rs b/library/std/src/lib.rs
index c011f9661ae..0bb40ee4b31 100644
--- a/library/std/src/lib.rs
+++ b/library/std/src/lib.rs
@@ -718,7 +718,6 @@ pub use core::todo;
 // Re-export built-in macros defined through core.
 #[stable(feature = "builtin_macro_prelude", since = "1.38.0")]
 #[allow(deprecated)]
-#[cfg_attr(bootstrap, allow(deprecated_in_future))]
 pub use core::{
     assert, assert_matches, cfg, column, compile_error, concat, concat_idents, const_format_args,
     env, file, format_args, format_args_nl, include, include_bytes, include_str, line, log_syntax,
diff --git a/library/std/src/prelude/v1.rs b/library/std/src/prelude/v1.rs
index 68c9ac1e414..c15d8c40085 100644
--- a/library/std/src/prelude/v1.rs
+++ b/library/std/src/prelude/v1.rs
@@ -46,7 +46,6 @@ pub use crate::result::Result::{self, Err, Ok};
 // Re-exported built-in macros
 #[stable(feature = "builtin_macro_prelude", since = "1.38.0")]
 #[allow(deprecated)]
-#[cfg_attr(bootstrap, allow(deprecated_in_future))]
 #[doc(no_inline)]
 pub use core::prelude::v1::{
     assert, cfg, column, compile_error, concat, concat_idents, env, file, format_args,
diff --git a/library/std/src/thread/mod.rs b/library/std/src/thread/mod.rs
index 6838f15e174..26b2fb44724 100644
--- a/library/std/src/thread/mod.rs
+++ b/library/std/src/thread/mod.rs
@@ -1676,7 +1676,7 @@ impl fmt::Debug for Thread {
 /// [`Result`]: crate::result::Result
 /// [`std::panic::resume_unwind`]: crate::panic::resume_unwind
 #[stable(feature = "rust1", since = "1.0.0")]
-#[cfg_attr(not(bootstrap), doc(search_unbox))]
+#[doc(search_unbox)]
 pub type Result<T> = crate::result::Result<T, Box<dyn Any + Send + 'static>>;
 
 // This packet is used to communicate the return value between the spawned
generated by cgit-pink 1.4.1-3-g733a5 (git 2.37.1) at 2025-10-30 04:42:10 +0000