From 219603a958f2deafd961e746b5ec963c11c44823 Mon Sep 17 00:00:00 2001
From: Camille GILLOT <gillot.camille@gmail.com>
Date: Sat, 20 Mar 2021 02:14:04 +0100
Subject: [PATCH] Only enable assert_dep_graph when query-dep-graph is enabled.

---
 compiler/rustc_incremental/src/assert_dep_graph.rs    | 4 ++++
 compiler/rustc_incremental/src/persist/dirty_clean.rs | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/compiler/rustc_incremental/src/assert_dep_graph.rs b/compiler/rustc_incremental/src/assert_dep_graph.rs
index f1f69f1510b..a080b0ce339 100644
--- a/compiler/rustc_incremental/src/assert_dep_graph.rs
+++ b/compiler/rustc_incremental/src/assert_dep_graph.rs
@@ -57,6 +57,10 @@ pub fn assert_dep_graph(tcx: TyCtxt<'_>) {
             dump_graph(tcx);
         }
 
+        if !tcx.sess.opts.debugging_opts.query_dep_graph {
+            return;
+        }
+
         // if the `rustc_attrs` feature is not enabled, then the
         // attributes we are interested in cannot be present anyway, so
         // skip the walk.
diff --git a/compiler/rustc_incremental/src/persist/dirty_clean.rs b/compiler/rustc_incremental/src/persist/dirty_clean.rs
index 0b544b8ab41..cb089a728ee 100644
--- a/compiler/rustc_incremental/src/persist/dirty_clean.rs
+++ b/compiler/rustc_incremental/src/persist/dirty_clean.rs
@@ -148,6 +148,10 @@ impl Assertion {
 }
 
 pub fn check_dirty_clean_annotations(tcx: TyCtxt<'_>) {
+    if !tcx.sess.opts.debugging_opts.query_dep_graph {
+        return;
+    }
+
     // can't add `#[rustc_dirty]` etc without opting in to this feature
     if !tcx.features().rustc_attrs {
         return;