From ed26f6ed7004f0ef3fa4e381f8950fd67ef177c1 Mon Sep 17 00:00:00 2001
From: Vadim Petrochenkov <vadim.petrochenkov@gmail.com>
Date: Tue, 17 Nov 2020 01:57:27 +0300
Subject: [PATCH] compiletest: Fix a warning in debuginfo tests on windows-gnu

---
 src/tools/compiletest/src/runtest.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/tools/compiletest/src/runtest.rs b/src/tools/compiletest/src/runtest.rs
index d46f905e6cc52..8fbec4bca6b8c 100644
--- a/src/tools/compiletest/src/runtest.rs
+++ b/src/tools/compiletest/src/runtest.rs
@@ -977,7 +977,8 @@ impl<'test> TestCx<'test> {
             script_str.push_str("set print pretty off\n");
 
             // Add the pretty printer directory to GDB's source-file search path
-            script_str.push_str(&format!("directory {}\n", rust_pp_module_abs_path));
+            script_str
+                .push_str(&format!("directory {}\n", rust_pp_module_abs_path.replace(r"\", r"\\")));
 
             // Load the target executable
             script_str