Remove some cfg(not(bootstrap))

Author: Jules-Bertholet

library/std/src/f32.rs

@@ -113,8 +113,7 @@ impl f32 {
     /// assert_eq!(h.round_ties_even(), 4.0);
     /// assert_eq!(i.round_ties_even(), 4.0);
     /// ```
-    #[cfg(not(bootstrap))]
-    #[cfg_attr(not(bootstrap), rustc_allow_incoherent_impl)]
+    #[rustc_allow_incoherent_impl]
     #[must_use = "method returns a new number and does not mutate the original value"]
     #[unstable(feature = "round_ties_even", issue = "96710")]
     #[inline]

library/std/src/f32/tests.rs

@@ -222,7 +222,6 @@ fn test_round() {
     assert_approx_eq!((-1.7f32).round(), -2.0f32);
 }
 
-#[cfg(not(bootstrap))]
 #[test]
 fn test_round_ties_even() {
     assert_approx_eq!(2.5f32.round_ties_even(), 2.0f32);

library/std/src/f64.rs

@@ -113,8 +113,7 @@ impl f64 {
     /// assert_eq!(h.round_ties_even(), 4.0);
     /// assert_eq!(i.round_ties_even(), 4.0);
     /// ```
-    #[cfg(not(bootstrap))]
-    #[cfg_attr(not(bootstrap), rustc_allow_incoherent_impl)]
+    #[rustc_allow_incoherent_impl]
     #[must_use = "method returns a new number and does not mutate the original value"]
     #[unstable(feature = "round_ties_even", issue = "96710")]
     #[inline]

library/std/src/f64/tests.rs

@@ -212,7 +212,6 @@ fn test_round() {
     assert_approx_eq!((-1.7f64).round(), -2.0f64);
 }
 
-#[cfg(not(bootstrap))]
 #[test]
 fn test_round_ties_even() {
     assert_approx_eq!(2.5f64.round_ties_even(), 2.0f64);

library/std/src/lib.rs

@@ -307,7 +307,7 @@
 #![feature(provide_any)]
 #![feature(ptr_as_uninit)]
 #![feature(raw_os_nonzero)]
-#![cfg_attr(not(bootstrap), feature(round_ties_even))]
+#![feature(round_ties_even)]
 #![feature(slice_internals)]
 #![feature(slice_ptr_get)]
 #![feature(std_internals)]