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-rw-r--r--src/tools/compiletest/src/runtest.rs3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/tools/compiletest/src/runtest.rs b/src/tools/compiletest/src/runtest.rs
index d46f905e6cc..8fbec4bca6b 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