Auto merge of #91406 - matthiaskrgr:rollup-a2whn8m, r=matthiaskrgr

Rollup of 4 pull requests

Successful merges:

 - #91294 (Visit type in process_projection_elem.)
 - #91340 (Bump compiler_builtins to 0.1.55 to bring in fixes for targets lackin…)
 - #91366 (Only show notable traits if both types are the same)
 - #91397 (Emit a warning on generic parameters with doc comments)

Failed merges:

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

2 files changed, 0 insertions, 42 deletions

diff --git a/compiler/rustc_mir_transform/src/dest_prop.rs b/compiler/rustc_mir_transform/src/dest_prop.rs
index 790d9243fba..c45946a9e2a 100644
--- a/compiler/rustc_mir_transform/src/dest_prop.rs
+++ b/compiler/rustc_mir_transform/src/dest_prop.rs
@@ -316,28 +316,6 @@ impl<'tcx> MutVisitor<'tcx> for Replacer<'tcx> {
         }
     }
 
-    fn process_projection_elem(
-        &mut self,
-        elem: PlaceElem<'tcx>,
-        _: Location,
-    ) -> Option<PlaceElem<'tcx>> {
-        match elem {
-            PlaceElem::Index(local) => {
-                if let Some(replacement) = self.replacements.for_src(local) {
-                    bug!(
-                        "cannot replace {:?} with {:?} in index projection {:?}",
-                        local,
-                        replacement,
-                        elem,
-                    );
-                } else {
-                    None
-                }
-            }
-            _ => None,
-        }
-    }
-
     fn visit_place(&mut self, place: &mut Place<'tcx>, context: PlaceContext, location: Location) {
         if let Some(replacement) = self.replacements.for_src(place.local) {
             // Rebase `place`s projections onto `replacement`'s.
diff --git a/compiler/rustc_mir_transform/src/reveal_all.rs b/compiler/rustc_mir_transform/src/reveal_all.rs
index 6c423a2bb57..3bcb71b64f4 100644
--- a/compiler/rustc_mir_transform/src/reveal_all.rs
+++ b/compiler/rustc_mir_transform/src/reveal_all.rs
@@ -35,24 +35,4 @@ impl<'tcx> MutVisitor<'tcx> for RevealAllVisitor<'tcx> {
     fn visit_ty(&mut self, ty: &mut Ty<'tcx>, _: TyContext) {
         *ty = self.tcx.normalize_erasing_regions(self.param_env, ty);
     }
-
-    #[inline]
-    fn process_projection_elem(
-        &mut self,
-        elem: PlaceElem<'tcx>,
-        _: Location,
-    ) -> Option<PlaceElem<'tcx>> {
-        match elem {
-            PlaceElem::Field(field, ty) => {
-                let new_ty = self.tcx.normalize_erasing_regions(self.param_env, ty);
-                if ty != new_ty { Some(PlaceElem::Field(field, new_ty)) } else { None }
-            }
-            // None of those contain a Ty.
-            PlaceElem::Index(..)
-            | PlaceElem::Deref
-            | PlaceElem::ConstantIndex { .. }
-            | PlaceElem::Subslice { .. }
-            | PlaceElem::Downcast(..) => None,
-        }
-    }
 }