From 81e791d7b981bfb815d99832d657d48850e8e0aa Mon Sep 17 00:00:00 2001
From: Graydon Hoare <graydon@mozilla.com>
Date: Fri, 8 Oct 2010 17:43:46 -0700
Subject: Add a tag cache for the cases we can't avoid hitting fold; cut rustc
 compile time by 50%.

---
 src/boot/me/resolve.ml | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'src/boot/me/resolve.ml')

diff --git a/src/boot/me/resolve.ml b/src/boot/me/resolve.ml
index 118e5b49..3f44872e 100644
--- a/src/boot/me/resolve.ml
+++ b/src/boot/me/resolve.ml
@@ -869,7 +869,9 @@ let process_crate
                     (Hashtbl.find cx.ctxt_all_item_names n)
             end
             cx.ctxt_node_referenced;
-      end
+      end;
+    (* Post-resolve, we can establish a tag cache. *)
+    cx.ctxt_tag_cache <- Some (Hashtbl.create 0);
 ;;
 
 (*
-- 
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