https://git.ruby-lang.org/ruby.git/commit/?id=414a80d242

From 414a80d242796059d69e8980073b5420910cab50 Mon Sep 17 00:00:00 2001
From: Aaron Patterson <tenderlove@r...>
Date: Tue, 10 Sep 2019 10:44:49 -0700
Subject: `NODE_MATCH` needs to be marked / allocated from marking bucket

Fixes a test in RubySpec

diff --git a/node.c b/node.c
index 0e1b04b..4a265c3 100644
--- a/node.c
+++ b/node.c
@@ -1194,6 +1194,7 @@ rb_ast_newnode(rb_ast_t *ast, enum node_type type) https://github.com/ruby/ruby/blob/trunk/node.c#L1194
 {
     node_buffer_t *nb = ast->node_buffer;
     switch (type) {
+        case NODE_MATCH:
         case NODE_LIT:
         case NODE_STR:
         case NODE_XSTR:
@@ -1277,6 +1278,7 @@ mark_ast_value(void *ctx, NODE * node) https://github.com/ruby/ruby/blob/trunk/node.c#L1278
             rb_gc_mark(args->imemo);
             break;
         }
+        case NODE_MATCH:
         case NODE_LIT:
         case NODE_STR:
         case NODE_XSTR:
@@ -1287,7 +1289,7 @@ mark_ast_value(void *ctx, NODE * node) https://github.com/ruby/ruby/blob/trunk/node.c#L1289
             rb_gc_mark(node->nd_lit);
             break;
         default:
-            rb_bug("unreachable");
+            rb_bug("unreachable node %s", ruby_node_name(nd_type(node)));
     }
 }
 
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