From fc8b13cb96a5b45bb7028ca0f50d1444f0f95582 Mon Sep 17 00:00:00 2001
From: Nilstrieb <48135649+Nilstrieb@users.noreply.github.com>
Date: Fri, 3 Jun 2022 22:01:56 +0200
Subject: Adapt rustc_data_structures tests to run in strict miri

Some tests took too long and owning_ref is fundamentally flawed,
so don't run these tests or run them with a shorter N. This makes
miri with `-Zmiri-strict-provenance` usable to find UB.
---
 compiler/rustc_data_structures/src/graph/scc/tests.rs | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'compiler/rustc_data_structures/src/graph')

diff --git a/compiler/rustc_data_structures/src/graph/scc/tests.rs b/compiler/rustc_data_structures/src/graph/scc/tests.rs
index 364005e67e6..9940fee60d7 100644
--- a/compiler/rustc_data_structures/src/graph/scc/tests.rs
+++ b/compiler/rustc_data_structures/src/graph/scc/tests.rs
@@ -156,7 +156,10 @@ fn test_deep_linear() {
     v
     …
      */
+    #[cfg(not(miri))]
     const NR_NODES: usize = 1 << 14;
+    #[cfg(miri)]
+    const NR_NODES: usize = 1 << 3;
     let mut nodes = vec![];
     for i in 1..NR_NODES {
         nodes.push((i - 1, i));
-- 
cgit 1.4.1-3-g733a5