Rollup merge of rust-lang#123103 - compiler-errors:inherited-is-a-weird-name, r=oli-obk

Rename `Inherited` -> `TypeckRootCtxt`

`Inherited` is a confusing name. Rename it to `TypeckRootCtxt`.

I don't think this needs a type MCP or anything since it's not nearly as pervasive as `FnCtxt` , for example.

r? `@lcnr` `@oli-obk`

Author: matthiaskrgr

clippy_lints/src/methods/unnecessary_to_owned.rs

@@ -12,7 +12,7 @@ use rustc_errors::Applicability;
 use rustc_hir::def::{DefKind, Res};
 use rustc_hir::def_id::DefId;
 use rustc_hir::{BorrowKind, Expr, ExprKind, ItemKind, LangItem, Node};
-use rustc_hir_typeck::{FnCtxt, Inherited};
+use rustc_hir_typeck::{FnCtxt, TypeckRootCtxt};
 use rustc_infer::infer::TyCtxtInferExt;
 use rustc_lint::LateContext;
 use rustc_middle::mir::Mutability;
@@ -438,8 +438,8 @@ fn can_change_type<'a>(cx: &LateContext<'a>, mut expr: &'a Expr<'a>, mut ty: Ty<
             Node::Item(item) => {
                 if let ItemKind::Fn(_, _, body_id) = &item.kind
                     && let output_ty = return_ty(cx, item.owner_id)
-                    && let inherited = Inherited::new(cx.tcx, item.owner_id.def_id)
-                    && let fn_ctxt = FnCtxt::new(&inherited, cx.param_env, item.owner_id.def_id)
+                    && let root_ctxt = TypeckRootCtxt::new(cx.tcx, item.owner_id.def_id)
+                    && let fn_ctxt = FnCtxt::new(&root_ctxt, cx.param_env, item.owner_id.def_id)
                     && fn_ctxt.can_coerce(ty, output_ty)
                 {
                     if has_lifetime(output_ty) && has_lifetime(ty) {

clippy_lints/src/transmute/utils.rs

@@ -1,6 +1,6 @@
 use rustc_hir as hir;
 use rustc_hir::Expr;
-use rustc_hir_typeck::{cast, FnCtxt, Inherited};
+use rustc_hir_typeck::{cast, FnCtxt, TypeckRootCtxt};
 use rustc_lint::LateContext;
 use rustc_middle::ty::cast::CastKind;
 use rustc_middle::ty::Ty;
@@ -34,8 +34,8 @@ pub(super) fn check_cast<'tcx>(
     let hir_id = e.hir_id;
     let local_def_id = hir_id.owner.def_id;
 
-    let inherited = Inherited::new(cx.tcx, local_def_id);
-    let fn_ctxt = FnCtxt::new(&inherited, cx.param_env, local_def_id);
+    let root_ctxt = TypeckRootCtxt::new(cx.tcx, local_def_id);
+    let fn_ctxt = FnCtxt::new(&root_ctxt, cx.param_env, local_def_id);
 
     if let Ok(check) = cast::CastCheck::new(
         &fn_ctxt,