From f2502cec8afb9b35a41dcd1cd81348ec4197de46 Mon Sep 17 00:00:00 2001
From: usa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 27 Dec 2016 09:07:02 +0000
Subject: [PATCH] revert a part of r57199

* io.c (io_fillbuf): revert a part of r57199 because it broke IO#getch.
  see also [Bug #13076]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57206 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 io.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/io.c b/io.c
index 4a205e533f..2731bb829f 100644
--- a/io.c
+++ b/io.c
@@ -1775,7 +1775,6 @@ io_fillbuf(rb_io_t *fptr)
 		rb_syserr_fail_path(e, path);
 	    }
         }
-	if (r > 0) READ_CHECK(fptr);
         fptr->rbuf.off = 0;
         fptr->rbuf.len = (int)r; /* r should be <= rbuf_capa */
         if (r == 0)