From 588d5d1e3dcb87ff59ff37da16850e9302996b39 Mon Sep 17 00:00:00 2001
From: Niko Matsakis <niko@alum.mit.edu>
Date: Wed, 24 Feb 2016 16:20:21 -0500
Subject: [PATCH] translate backslashes to forward slashes in the expected
 strings

---
 src/compiletest/runtest.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/compiletest/runtest.rs b/src/compiletest/runtest.rs
index 1e6e3d3e67944..b7a489d9801fd 100644
--- a/src/compiletest/runtest.rs
+++ b/src/compiletest/runtest.rs
@@ -932,7 +932,9 @@ fn check_expected_errors(expected_errors: Vec<errors::ExpectedError>,
     }
 
     let prefixes = expected_errors.iter().map(|ee| {
-        format!("{}:{}:", testpaths.file.display(), ee.line)
+        let expected = format!("{}:{}:", testpaths.file.display(), ee.line);
+        // On windows just translate all '\' path separators to '/'
+        expected.replace(r"\", "/")
     }).collect::<Vec<String>>();
 
     let (expect_help, expect_note) =