From 6002e78392541b61055f1fd32cbf310ac4409a88 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?D=C3=A1niel=20Buga?= <bugadani@gmail.com>
Date: Mon, 4 Jan 2021 16:09:59 +0100
Subject: [PATCH] Builder: Warn if test file does not exist

---
 src/bootstrap/test.rs | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/bootstrap/test.rs b/src/bootstrap/test.rs
index 33e252a63c9..5caadca1dad 100644
--- a/src/bootstrap/test.rs
+++ b/src/bootstrap/test.rs
@@ -1126,7 +1126,19 @@ fn run(self, builder: &Builder<'_>) {
                 Ok(path) => path,
                 Err(_) => p,
             })
-            .filter(|p| p.starts_with(suite_path) && (p.is_dir() || p.is_file()))
+            .filter(|p| p.starts_with(suite_path))
+            .filter(|p| {
+                let exists = p.is_dir() || p.is_file();
+                if !exists {
+                    if let Some(p) = p.to_str() {
+                        builder.info(&format!(
+                            "Warning: Skipping \"{}\": not a regular file or directory",
+                            p
+                        ));
+                    }
+                }
+                exists
+            })
             .filter_map(|p| {
                 // Since test suite paths are themselves directories, if we don't
                 // specify a directory or file, we'll get an empty string here