From 48921ce30095bcc356f2fe082e29edb004d1eda9 Mon Sep 17 00:00:00 2001
From: Jeremy Fitzhardinge <jsgf@fb.com>
Date: Thu, 10 Jun 2021 14:01:21 -0700
Subject: [PATCH] Implement assert_non_crate_hash_different for tests

---
 compiler/rustc_interface/src/tests.rs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/compiler/rustc_interface/src/tests.rs b/compiler/rustc_interface/src/tests.rs
index 865c281be9c..c210865a4ad 100644
--- a/compiler/rustc_interface/src/tests.rs
+++ b/compiler/rustc_interface/src/tests.rs
@@ -96,6 +96,14 @@ fn assert_different_hash(x: &Options, y: &Options) {
     assert_same_clone(y);
 }
 
+fn assert_non_crate_hash_different(x: &Options, y: &Options) {
+    assert_eq!(x.dep_tracking_hash(true), y.dep_tracking_hash(true));
+    assert_ne!(x.dep_tracking_hash(false), y.dep_tracking_hash(false));
+    // Check clone
+    assert_same_clone(x);
+    assert_same_clone(y);
+}
+
 // When the user supplies --test we should implicitly supply --cfg test
 #[test]
 fn test_switch_implies_cfg_test() {