From 82caf2132ddf14baf47896ba658788bd17a48dae Mon Sep 17 00:00:00 2001
From: Michael Kohl <citizen428@gmail.com>
Date: Sat, 3 Jun 2017 14:38:45 +0700
Subject: [PATCH] Create directory for dump-mir-dir automatically

Fixes #35543
---
 src/librustc_mir/util/pretty.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/librustc_mir/util/pretty.rs b/src/librustc_mir/util/pretty.rs
index eaba573dcd2..22a8c4378d4 100644
--- a/src/librustc_mir/util/pretty.rs
+++ b/src/librustc_mir/util/pretty.rs
@@ -111,6 +111,7 @@ fn dump_matched_mir_node<'a, 'tcx>(tcx: TyCtxt<'a, 'tcx, 'tcx>,
         let p = Path::new(file_dir);
         file_path.push(p);
     };
+    let _ = fs::create_dir_all(&file_path);
     let file_name = format!("rustc.node{}{}{}.{}.{}.mir",
                             source.item_id(), promotion_id, pass_num, pass_name, disambiguator);
     file_path.push(&file_name);
-- 
2.44.0