nobu	2018-10-12 21:54:21 +0900 (Fri, 12 Oct 2018)

  New Revision: 65031

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=65031

  Log:
    Removed unreachable code
    
    * node.c (rb_ast_dispose): since `ast->node_buffer` is freed in
      `rb_ast_free()`, it should be always NULL.

  Modified files:
    trunk/node.c
Index: node.c
===================================================================
--- node.c	(revision 65030)
+++ node.c	(revision 65031)
@@ -1139,7 +1139,6 @@ void https://github.com/ruby/ruby/blob/trunk/node.c#L1139
 rb_ast_dispose(rb_ast_t *ast)
 {
     rb_ast_free(ast);
-    if (ast->node_buffer) RB_OBJ_WRITE(ast, &ast->node_buffer->mark_ary, Qnil);
 }
 
 void

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