From be0eda3026302f8328f688c035acd0608595a19a Mon Sep 17 00:00:00 2001
From: Jeremie Dimino <jeremie@dimino.org>
Date: Sat, 3 Dec 2016 14:25:01 +0000
Subject: [PATCH] pass -dump-ast to ppx driver

---
 src/gen_rules.ml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/gen_rules.ml b/src/gen_rules.ml
index 74a67b7c..8eb5b6cc 100644
--- a/src/gen_rules.ml
+++ b/src/gen_rules.ml
@@ -444,6 +444,7 @@ module Gen(P : Params) = struct
                (Dep ppx_exe)
                [ Dyn (specific_args_for_ppx_rewriters ~dir)
                ; As flags
+               ; A "-dump-ast"
                ; A "-o"; Target dst
                ; Ml_kind.flag kind; Dep src
                ])