tree-wide: parallel: Fully removed all Lrc, replaced with Arc

compiler/rustc_ast_lowering/src/path.rs

@@ -1,5 +1,6 @@
+use std::sync::Arc;
+
 use rustc_ast::{self as ast, *};
-use rustc_data_structures::sync::Lrc;
 use rustc_hir as hir;
 use rustc_hir::GenericArg;
 use rustc_hir::def::{DefKind, PartialRes, Res};
@@ -72,7 +73,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
         let bound_modifier_allowed_features = if let Res::Def(DefKind::Trait, async_def_id) = res
             && self.tcx.async_fn_trait_kind_from_def_id(async_def_id).is_some()
         {
-            Some(Lrc::clone(&self.allow_async_fn_traits))
+            Some(Arc::clone(&self.allow_async_fn_traits))
         } else {
             None
         };
@@ -257,7 +258,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
         // Additional features ungated with a bound modifier like `async`.
         // This is passed down to the implicit associated type binding in
         // parenthesized bounds.
-        bound_modifier_allowed_features: Option<Lrc<[Symbol]>>,
+        bound_modifier_allowed_features: Option<Arc<[Symbol]>>,
     ) -> hir::PathSegment<'hir> {
         debug!("path_span: {:?}, lower_path_segment(segment: {:?})", path_span, segment);
         let (mut generic_args, infer_args) = if let Some(generic_args) = segment.args.as_deref() {
@@ -490,7 +491,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> {
         &mut self,
         data: &ParenthesizedArgs,
         itctx: ImplTraitContext,
-        bound_modifier_allowed_features: Option<Lrc<[Symbol]>>,
+        bound_modifier_allowed_features: Option<Arc<[Symbol]>>,
     ) -> (GenericArgsCtor<'hir>, bool) {
         // Switch to `PassThrough` mode for anonymous lifetimes; this
         // means that we permit things like `&Ref<T>`, where `Ref` has