From 9f683c9070e802ce8c5b5636eb14cd5183a7ac36 Mon Sep 17 00:00:00 2001
From: Askar Safin <safinaskar@mail.ru>
Date: Mon, 3 Feb 2025 06:44:41 +0300
Subject: [PATCH] tree-wide: parallel: Fully removed all `Lrc`, replaced with
 `Arc`

---
 examples/rustc-driver-example.rs                  | 4 ++--
 examples/rustc-driver-interacting-with-the-ast.rs | 4 ++--
 src/diagnostics/lintstore.md                      | 2 +-
 src/parallel-rustc.md                             | 1 -
 4 files changed, 5 insertions(+), 6 deletions(-)

diff --git a/examples/rustc-driver-example.rs b/examples/rustc-driver-example.rs
index b0f9af1b8..14998965a 100644
--- a/examples/rustc-driver-example.rs
+++ b/examples/rustc-driver-example.rs
@@ -15,9 +15,9 @@ extern crate rustc_span;
 
 use std::io;
 use std::path::Path;
+use std::sync::Arc;
 
 use rustc_ast_pretty::pprust::item_to_string;
-use rustc_data_structures::sync::Lrc;
 use rustc_driver::{Compilation, run_compiler};
 use rustc_interface::interface::{Compiler, Config};
 use rustc_middle::ty::TyCtxt;
@@ -43,7 +43,7 @@ fn main() {
         }
     }
 
-    fn read_binary_file(&self, _path: &Path) -> io::Result<Lrc<[u8]>> {
+    fn read_binary_file(&self, _path: &Path) -> io::Result<Arc<[u8]>> {
         Err(io::Error::other("oops"))
     }
 }
diff --git a/examples/rustc-driver-interacting-with-the-ast.rs b/examples/rustc-driver-interacting-with-the-ast.rs
index 8766a8173..9fcb16b0f 100644
--- a/examples/rustc-driver-interacting-with-the-ast.rs
+++ b/examples/rustc-driver-interacting-with-the-ast.rs
@@ -15,9 +15,9 @@ extern crate rustc_span;
 
 use std::io;
 use std::path::Path;
+use std::sync::Arc;
 
 use rustc_ast_pretty::pprust::item_to_string;
-use rustc_data_structures::sync::Lrc;
 use rustc_driver::{Compilation, run_compiler};
 use rustc_interface::interface::{Compiler, Config};
 use rustc_middle::ty::TyCtxt;
@@ -43,7 +43,7 @@ fn main() {
         }
     }
 
-    fn read_binary_file(&self, _path: &Path) -> io::Result<Lrc<[u8]>> {
+    fn read_binary_file(&self, _path: &Path) -> io::Result<Arc<[u8]>> {
         Err(io::Error::other("oops"))
     }
 }
diff --git a/src/diagnostics/lintstore.md b/src/diagnostics/lintstore.md
index bd2b02529..7b98bc621 100644
--- a/src/diagnostics/lintstore.md
+++ b/src/diagnostics/lintstore.md
@@ -54,7 +54,7 @@ Lints are registered via the [`LintStore::register_lint`] function. This should
 happen just once for any lint, or an ICE will occur.
 
 Once the registration is complete, we "freeze" the lint store by placing it in
-an `Lrc`.
+an `Arc`.
 
 Lint passes are registered separately into one of the categories
 (pre-expansion, early, late, late module). Passes are registered as a closure
diff --git a/src/parallel-rustc.md b/src/parallel-rustc.md
index 2dae95a34..44c78a125 100644
--- a/src/parallel-rustc.md
+++ b/src/parallel-rustc.md
@@ -46,7 +46,6 @@ are implemented differently depending on whether `parallel-compiler` is true.
 
 | data structure                   | parallel                                            | non-parallel |
 | -------------------------------- | --------------------------------------------------- | ------------ |
-| Lrc                              | std::sync::Arc | std::rc::Rc |
 | Weak                             | std::sync::Weak                                     | std::rc::Weak |
 | Atomic{Bool}/{Usize}/{U32}/{U64} | std::sync::atomic::Atomic{Bool}/{Usize}/{U32}/{U64} | (std::cell::Cell<bool/usize/u32/u64>) |
 | OnceCell                         | std::sync::OnceLock                                 | std::cell::OnceCell |