https://git.ruby-lang.org/ruby.git/commit/?id=c69ad738dc

From c69ad738dc7c713df547a51607917ca78df6b793 Mon Sep 17 00:00:00 2001
From: Wolf <wolf@w...>
Date: Fri, 29 Jul 2022 20:12:39 +0200
Subject: Initialize node_id

In some causes node_id might have been left uninitialized leading to
undefined behavior on access. So always set it to -1, so we have *some*
valid value in there.
---
 node.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/node.c b/node.c
index a10d5122c3..483e7fa8fb 100644
--- a/node.c
+++ b/node.c
@@ -1138,6 +1138,7 @@ rb_node_init(NODE *n, enum node_type type, VALUE a0, VALUE a1, VALUE a2) https://github.com/ruby/ruby/blob/trunk/node.c#L1138
     n->nd_loc.beg_pos.column = 0;
     n->nd_loc.end_pos.lineno = 0;
     n->nd_loc.end_pos.column = 0;
+    n->node_id = -1;
 }
 
 typedef struct node_buffer_elem_struct {
-- 
cgit v1.2.1


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