From b9746ce03901fc39707c8c2d0405caf5384b4e97 Mon Sep 17 00:00:00 2001
From: SparrowLii <liyuan179@huawei.com>
Date: Fri, 3 Mar 2023 10:14:57 +0800
Subject: introduce `DynSend` and `DynSync` auto trait

---
 compiler/rustc_interface/src/interface.rs | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'compiler/rustc_interface/src')

diff --git a/compiler/rustc_interface/src/interface.rs b/compiler/rustc_interface/src/interface.rs
index 9d9f4ee13f4..2a091077700 100644
--- a/compiler/rustc_interface/src/interface.rs
+++ b/compiler/rustc_interface/src/interface.rs
@@ -60,6 +60,11 @@ impl Compiler {
     }
 }
 
+#[allow(rustc::bad_opt_access)]
+pub fn set_parallel_mode(sopts: &config::UnstableOptions) {
+    rustc_data_structures::sync::set(sopts.threads > 1);
+}
+
 /// Converts strings provided as `--cfg [cfgspec]` into a `crate_cfg`.
 pub fn parse_cfgspecs(cfgspecs: Vec<String>) -> FxHashSet<(String, Option<String>)> {
     rustc_span::create_default_session_if_not_set_then(move |_| {
-- 
cgit 1.4.1-3-g733a5