commit a8cfc8636ac2ab3292156d0038d54af730a59007
Author: Cristiano Calcagno <cristianoc@fb.com>
Date:   Tue May 30 16:23:57 2017 +0200

    Fix utop compilation

diff --git a/_tags b/_tags
index ac43e8d..788a36e 100644
--- a/_tags
+++ b/_tags
@@ -1,5 +1,6 @@
 true: warn(@5@8@10@11@12@14@23-24@26@29@40), bin_annot, safe_string, debug
 
+<src/reason_utop.ml>: thread
 <editorSupport/**>: -traverse
 <node_modules/**>: -traverse
 <bspacks/**>: -traverse