From 325208247428723f45f2db36c7a1f14f9d558a2b Mon Sep 17 00:00:00 2001
From: David Cook <divergentdave@gmail.com>
Date: Mon, 25 May 2020 13:20:29 -0500
Subject: [PATCH] Fix test on Windows hosts

FlushFileBuffers requires that a file be opened for writing
---
 tests/run-pass/fs.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/run-pass/fs.rs b/tests/run-pass/fs.rs
index d831129dc80..a031233d581 100644
--- a/tests/run-pass/fs.rs
+++ b/tests/run-pass/fs.rs
@@ -188,7 +188,7 @@ fn test_file_sync() {
     let path = prepare_with_content("miri_test_fs_sync.txt", bytes);
 
     // Test that we can call sync_data and sync_all (can't readily test effects of this operation)
-    let file = File::open(&path).unwrap();
+    let file = OpenOptions::new().write(true).open(&path).unwrap();
     file.sync_data().unwrap();
     file.sync_all().unwrap();