https://git.ruby-lang.org/ruby.git/commit/?id=7866ed850c

From 7866ed850c1ae95a6b115e09f3788d5b623f0708 Mon Sep 17 00:00:00 2001
From: Yusuke Endoh <mame@r...>
Date: Tue, 4 Jun 2019 11:39:27 +0900
Subject: node.c: Show the ID of internal variable


diff --git a/node.c b/node.c
index 65c6837..d2bf9bf 100644
--- a/node.c
+++ b/node.c
@@ -92,7 +92,7 @@ add_id(VALUE buf, ID id) https://github.com/ruby/ruby/blob/trunk/node.c#L92
 	    A(":"); AR(str);
 	}
 	else {
-	    A("(internal variable)");
+	    rb_str_catf(buf, "(internal variable: 0x%"PRIsVALUE")", id);
 	}
     }
 }
-- 
cgit v0.10.2


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