From 52e8254b548a06c67fc1c130040925d169b8d2b0 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 13 Jul 2017 07:00:16 +0000
Subject: [PATCH] parse.y: flush debug output

* parse.y (parser_compile_error): flush debug output before
  compile error message, to keep the order.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59320 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 parse.y | 1 +
 1 file changed, 1 insertion(+)

diff --git a/parse.y b/parse.y
index 410bbdd759..3c76d99585 100644
--- a/parse.y
+++ b/parse.y
@@ -11057,6 +11057,7 @@ parser_compile_error(struct parser_params *parser, const char *fmt, ...)
 {
     va_list ap;
 
+    rb_io_flush(parser->debug_output);
     parser->error_p = 1;
     va_start(ap, fmt);
     parser->error_buffer =