From b43a29711e7ab50c1ee47a2d030273c83099b15e Mon Sep 17 00:00:00 2001
From: John Kåre Alsaker <john.kare.alsaker@gmail.com>
Date: Sat, 15 Mar 2025 03:09:09 +0100
Subject: Fix `record_diagnostic`

---
 compiler/rustc_query_system/src/dep_graph/graph.rs | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

(limited to 'compiler/rustc_query_system')

diff --git a/compiler/rustc_query_system/src/dep_graph/graph.rs b/compiler/rustc_query_system/src/dep_graph/graph.rs
index 985ca649034..bfd8b320715 100644
--- a/compiler/rustc_query_system/src/dep_graph/graph.rs
+++ b/compiler/rustc_query_system/src/dep_graph/graph.rs
@@ -538,10 +538,14 @@ impl<D: Deps> DepGraph<D> {
     #[inline]
     pub fn record_diagnostic<Qcx: QueryContext>(&self, qcx: Qcx, diagnostic: &DiagInner) {
         if let Some(ref data) = self.data {
-            self.read_index(data.encode_diagnostic(qcx, diagnostic));
+            D::read_deps(|task_deps| match task_deps {
+                TaskDepsRef::EvalAlways | TaskDepsRef::Ignore => return,
+                TaskDepsRef::Forbid | TaskDepsRef::Allow(..) => {
+                    self.read_index(data.encode_diagnostic(qcx, diagnostic));
+                }
+            })
         }
     }
-
     /// This forces a diagnostic node green by running its side effect. `prev_index` would
     /// refer to a node created used `encode_diagnostic` in the previous session.
     #[inline]
-- 
cgit 1.4.1-3-g733a5