Update some outdated names and comments

Author: camelid

compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs

@@ -2016,13 +2016,6 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ {
     }
 
     /// Lower a type from the HIR to our internal notion of a type given some extra data for diagnostics.
-    ///
-    /// Extra diagnostic data:
-    ///
-    /// 1. `borrowed`: Whether trait object types are borrowed like in `&dyn Trait`.
-    ///    Used to avoid emitting redundant errors.
-    /// 2. `in_path`: Whether the type appears inside of a path.
-    ///    Used to provide correct diagnostics for bare trait object types.
     #[instrument(level = "debug", skip(self), ret)]
     pub fn lower_ty(&self, hir_ty: &hir::Ty<'tcx>) -> Ty<'tcx> {
         let tcx = self.tcx();

compiler/rustc_middle/src/ty/consts.rs

@@ -240,7 +240,7 @@ impl<'tcx> Const<'tcx> {
 
         let ty = tcx.type_of(def).no_bound_vars().expect("const parameter types cannot be generic");
 
-        match Self::try_from_lit_or_param(tcx, ty, expr) {
+        match Self::try_from_lit(tcx, ty, expr) {
             Some(v) => v,
             None => ty::Const::new_unevaluated(tcx, ty::UnevaluatedConst {
                 def: def.to_def_id(),
@@ -278,11 +278,7 @@ impl<'tcx> Const<'tcx> {
     }
 
     #[instrument(skip(tcx), level = "debug")]
-    fn try_from_lit_or_param(
-        tcx: TyCtxt<'tcx>,
-        ty: Ty<'tcx>,
-        expr: &'tcx hir::Expr<'tcx>,
-    ) -> Option<Self> {
+    fn try_from_lit(tcx: TyCtxt<'tcx>, ty: Ty<'tcx>, expr: &'tcx hir::Expr<'tcx>) -> Option<Self> {
         // Unwrap a block, so that e.g. `{ P }` is recognised as a parameter. Const arguments
         // currently have to be wrapped in curly brackets, so it's necessary to special-case.
         let expr = match &expr.kind {
@@ -321,7 +317,7 @@ impl<'tcx> Const<'tcx> {
                 Err(e) => {
                     tcx.dcx().span_delayed_bug(
                         expr.span,
-                        format!("Const::from_anon_const: couldn't lit_to_const {e:?}"),
+                        format!("Const::try_from_lit: couldn't lit_to_const {e:?}"),
                     );
                 }
             }