Auto merge of #80503 - JohnTitor:rollup-b26vglu, r=JohnTitor

Rollup of 13 pull requests

Successful merges:

 - #79812 (Lint on redundant trailing semicolon after item)
 - #80348 (remove redundant clones (clippy::redundant_clone))
 - #80358 (Edit rustc_span documentation)
 - #80457 (Add missing commas to `rustc_ast_pretty::pp` docs)
 - #80461 (Add llvm-libunwind change to bootstrap CHANGELOG)
 - #80464 (Use Option::map_or instead of open coding it)
 - #80465 (Fix typo in ffi-pure.md)
 - #80467 (More uses of the matches! macro)
 - #80469 (Fix small typo in time comment)
 - #80472 (Use sans-serif font for the "all items" page links)
 - #80477 (Make forget intrinsic safe)
 - #80482 (don't clone copy types)
 - #80487 (don't redundantly repeat field names)

Failed merges:

r? `@ghost`
`@rustbot` modify labels: rollup

1 files changed, 6 insertions, 1 deletions

diff --git a/library/core/src/mem/mod.rs b/library/core/src/mem/mod.rs
index e84014c68a6..87956787242 100644
--- a/library/core/src/mem/mod.rs
+++ b/library/core/src/mem/mod.rs
@@ -151,9 +151,14 @@ pub const fn forget<T>(t: T) {
 #[inline]
 #[unstable(feature = "forget_unsized", issue = "none")]
 pub fn forget_unsized<T: ?Sized>(t: T) {
+    #[cfg(bootstrap)]
     // SAFETY: the forget intrinsic could be safe, but there's no point in making it safe since
     // we'll be implementing this function soon via `ManuallyDrop`
-    unsafe { intrinsics::forget(t) }
+    unsafe {
+        intrinsics::forget(t)
+    }
+    #[cfg(not(bootstrap))]
+    intrinsics::forget(t)
 }
 
 /// Returns the size of a type in bytes.