Auto merge of #95678 - pietroalbini:pa-1.62.0-bootstrap, r=Mark-Simulacrum

Bump bootstrap compiler to 1.61.0 beta

This PR bumps the bootstrap compiler to the 1.61.0 beta. The first commit changes the stage0 compiler, the second commit applies the "mechanical" changes and the third and fourth commits apply changes explained in the relevant comments.

r? `@Mark-Simulacrum`

1 files changed, 2 insertions, 5 deletions

diff --git a/library/core/src/bool.rs b/library/core/src/bool.rs
index 06aee3ccbaf..36000f8f389 100644
--- a/library/core/src/bool.rs
+++ b/library/core/src/bool.rs
@@ -2,7 +2,6 @@
 
 use crate::marker::Destruct;
 
-#[cfg_attr(bootstrap, lang = "bool")]
 impl bool {
     /// Returns `Some(t)` if the `bool` is [`true`](../std/keyword.true.html),
     /// or `None` otherwise.
@@ -18,10 +17,9 @@ impl bool {
     #[unstable(feature = "bool_to_option", issue = "80967")]
     #[rustc_const_unstable(feature = "const_bool_to_option", issue = "91917")]
     #[inline]
-    #[cfg_attr(not(bootstrap), allow(drop_bounds))] // FIXME remove `~const Drop` and this attr when bumping
     pub const fn then_some<T>(self, t: T) -> Option<T>
     where
-        T: ~const Drop + ~const Destruct,
+        T: ~const Destruct,
     {
         if self { Some(t) } else { None }
     }
@@ -38,11 +36,10 @@ impl bool {
     #[stable(feature = "lazy_bool_to_option", since = "1.50.0")]
     #[rustc_const_unstable(feature = "const_bool_to_option", issue = "91917")]
     #[inline]
-    #[cfg_attr(not(bootstrap), allow(drop_bounds))] // FIXME remove `~const Drop` and this attr when bumping
     pub const fn then<T, F>(self, f: F) -> Option<T>
     where
         F: ~const FnOnce() -> T,
-        F: ~const Drop + ~const Destruct,
+        F: ~const Destruct,
     {
         if self { Some(f()) } else { None }
     }