hack_readline.diff

diff --git a/ext/readline/readline.c b/ext/readline/readline.c
index 3380720f47..744fadde92 100644
--- a/ext/readline/readline.c
+++ b/ext/readline/readline.c
@@ -1959,6 +1959,8 @@ Init_readline(void)
     mReadline = rb_define_module("Readline");
     rb_define_module_function(mReadline, "readline",
                               readline_readline, -1);
+    rb_define_module_function(mReadline, "readmultiline",
+                              readline_readline, -1);
     rb_define_singleton_method(mReadline, "input=",
                                readline_s_set_input, 1);
     rb_define_singleton_method(mReadline, "output=",

show_node_id.diff

diff --git a/ast.c b/ast.c
index 3e25c89a55..14e7fa3a82 100644
--- a/ast.c
+++ b/ast.c
@@ -753,10 +753,11 @@ rb_ast_node_inspect(VALUE self)
     str = rb_str_new2("#<");
 
     rb_str_append(str, cname);
-    rb_str_catf(str, ":%s@%d:%d-%d:%d>",
+    rb_str_catf(str, ":%s@%d:%d-%d:%d,node_id = %d>",
                 node_type_to_str(data->node),
                 nd_first_lineno(data->node), nd_first_column(data->node),
-                nd_last_lineno(data->node), nd_last_column(data->node));
+                nd_last_lineno(data->node), nd_last_column(data->node),
+                nd_node_id(data->node));
 
     return str;
 }

よく使う configure コマンド

$ ./configure optflags="-O0" debugflags="-g3" --disable-install-doc --with-openssl-dir="/usr/local/Cellar/openssl/1.0.2l"  --prefix="${RBENV_ROOT}/versions/trunk"