Auto merge of #101167 - matthiaskrgr:rollup-yt3jdmp, r=matthiaskrgr

Rollup of 7 pull requests

Successful merges:

 - #100898 (Do not report too many expr field candidates)
 - #101056 (Add the syntax of references to their documentation summary.)
 - #101106 (Rustdoc-Json: Retain Stripped Modules when they are imported, not when they have items)
 - #101131 (CTFE: exposing pointers and calling extern fn is just impossible)
 - #101141 (Simplify `get_trait_ref` fn used for `virtual_function_elimination`)
 - #101146 (Various changes to logging of borrowck-related code)
 - #101156 (Remove `Sync` requirement from lint pass objects)

Failed merges:

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

1 files changed, 1 insertions, 0 deletions

diff --git a/compiler/rustc_const_eval/src/interpret/machine.rs b/compiler/rustc_const_eval/src/interpret/machine.rs
index b151d03681f..6ca98371497 100644
--- a/compiler/rustc_const_eval/src/interpret/machine.rs
+++ b/compiler/rustc_const_eval/src/interpret/machine.rs
@@ -479,6 +479,7 @@ pub macro compile_time_machine(<$mir: lifetime, $tcx: lifetime>) {
     ) -> InterpResult<$tcx, Pointer<Option<AllocId>>> {
         // Allow these casts, but make the pointer not dereferenceable.
         // (I.e., they behave like transmutation.)
+        // This is correct because no pointers can ever be exposed in compile-time evaluation.
         Ok(Pointer::from_addr(addr))
     }