https://git.ruby-lang.org/ruby.git/commit/?id=aa3b2c81c8

From aa3b2c81c8de2e70bd100e92436f15c03523eaf7 Mon Sep 17 00:00:00 2001
From: Samuel Williams <samuel.williams@o...>
Date: Mon, 27 Dec 2021 17:05:42 +1300
Subject: Fix console.c usage of `rb_io_wait`.

---
 ext/io/console/console.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ext/io/console/console.c b/ext/io/console/console.c
index 4c5f89f80df..dd84c51aa4a 100644
--- a/ext/io/console/console.c
+++ b/ext/io/console/console.c
@@ -555,7 +555,7 @@ console_getch(int argc, VALUE *argv, VALUE io) https://github.com/ruby/ruby/blob/trunk/ext/io/console/console.c#L555
 	    if (w < 0) rb_eof_error();
 	    if (!(w & RB_WAITFD_IN)) return Qnil;
 # else
-	    VALUE result = rb_io_wait(io, RUBY_IO_READABLE, timeout);
+	    VALUE result = rb_io_wait(io, RB_INT2NUM(RUBY_IO_READABLE), timeout);
 	    if (!RTEST(result)) return Qnil;
 # endif
 	}
-- 
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