Auto merge of rust-lang#78458 - Dylan-DPC:rollup-tan044s, r=Dylan-DPC

Rollup of 10 pull requests

Successful merges:

 - rust-lang#78152 (Separate unsized locals)
 - rust-lang#78297 (Suggest calling await on method call and field access)
 - rust-lang#78351 (Move "mutable thing in const" check from interning to validity)
 - rust-lang#78365 (check object safety of generic constants)
 - rust-lang#78379 (Tweak invalid `fn` header and body parsing)
 - rust-lang#78391 (Add const_fn in generics test)
 - rust-lang#78401 (resolve: private fields in tuple struct ctor diag)
 - rust-lang#78408 (Remove tokens from foreign items in `TokenStripper`)
 - rust-lang#78447 (Fix typo in  comment)
 - rust-lang#78453 (Fix typo in comments)

Failed merges:

r? `@ghost`

Author: bors

alloc/src/lib.rs

@@ -130,7 +130,8 @@
 #![feature(unicode_internals)]
 #![feature(unsafe_block_in_unsafe_fn)]
 #![feature(unsize)]
-#![feature(unsized_locals)]
+#![cfg_attr(not(bootstrap), feature(unsized_fn_params))]
+#![cfg_attr(bootstrap, feature(unsized_locals))]
 #![feature(allocator_internals)]
 #![feature(slice_partition_dedup)]
 #![feature(maybe_uninit_extra, maybe_uninit_slice, maybe_uninit_uninit_array)]

core/src/lib.rs

@@ -132,7 +132,8 @@
 #![feature(transparent_unions)]
 #![feature(try_blocks)]
 #![feature(unboxed_closures)]
-#![feature(unsized_locals)]
+#![cfg_attr(not(bootstrap), feature(unsized_fn_params))]
+#![cfg_attr(bootstrap, feature(unsized_locals))]
 #![cfg_attr(bootstrap, feature(untagged_unions))]
 #![feature(unwind_attributes)]
 #![feature(variant_count)]