From cff9efde748b6027fe9f135ddd5aaf8a3276601d Mon Sep 17 00:00:00 2001
From: John Kåre Alsaker <john.kare.alsaker@gmail.com>
Date: Tue, 22 Apr 2025 07:02:27 +0200
Subject: Add a jobserver proxy to ensure at least one token is always held

---
 compiler/rustc_middle/src/ty/context.rs | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'compiler/rustc_middle')

diff --git a/compiler/rustc_middle/src/ty/context.rs b/compiler/rustc_middle/src/ty/context.rs
index 1efd0d1d14b..eb12249882e 100644
--- a/compiler/rustc_middle/src/ty/context.rs
+++ b/compiler/rustc_middle/src/ty/context.rs
@@ -21,6 +21,7 @@ use rustc_data_structures::defer;
 use rustc_data_structures::fingerprint::Fingerprint;
 use rustc_data_structures::fx::FxHashMap;
 use rustc_data_structures::intern::Interned;
+use rustc_data_structures::jobserver::Proxy;
 use rustc_data_structures::profiling::SelfProfilerRef;
 use rustc_data_structures::sharded::{IntoPointer, ShardedHashMap};
 use rustc_data_structures::stable_hasher::{HashStable, StableHasher};
@@ -1438,6 +1439,8 @@ pub struct GlobalCtxt<'tcx> {
     pub(crate) alloc_map: interpret::AllocMap<'tcx>,
 
     current_gcx: CurrentGcx,
+
+    pub jobserver_proxy: Arc<Proxy>,
 }
 
 impl<'tcx> GlobalCtxt<'tcx> {
@@ -1642,6 +1645,7 @@ impl<'tcx> TyCtxt<'tcx> {
         query_system: QuerySystem<'tcx>,
         hooks: crate::hooks::Providers,
         current_gcx: CurrentGcx,
+        jobserver_proxy: Arc<Proxy>,
         f: impl FnOnce(TyCtxt<'tcx>) -> T,
     ) -> T {
         let data_layout = s.target.parse_data_layout().unwrap_or_else(|err| {
@@ -1676,6 +1680,7 @@ impl<'tcx> TyCtxt<'tcx> {
             data_layout,
             alloc_map: interpret::AllocMap::new(),
             current_gcx,
+            jobserver_proxy,
         });
 
         // This is a separate function to work around a crash with parallel rustc (#135870)
-- 
cgit 1.4.1-3-g733a5