From 5c779dc45dfc53c4e7d50e2bb8e5ef0c61404b4d Mon Sep 17 00:00:00 2001
From: yui-knk <spiketeika@gmail.com>
Date: Fri, 6 Oct 2023 08:27:42 +0900
Subject: [PATCH] Remove not used fields from MATCH3

---
 compile.c    | 2 +-
 parse.y      | 1 -
 rubyparser.h | 1 -
 3 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/compile.c b/compile.c
index 483d2f118d..3e22942bff 100644
--- a/compile.c
+++ b/compile.c
@@ -9216,7 +9216,7 @@ compile_match(rb_iseq_t *iseq, LINK_ANCHOR *const ret, const NODE *const node, i
     ADD_SEQ(ret, val);
     ADD_SEND(ret, node, idEqTilde, INT2FIX(1));
 
-    if (RNODE_MATCH2(node)->nd_args) {
+    if (nd_type_p(node, NODE_MATCH2) && RNODE_MATCH2(node)->nd_args) {
         compile_named_capture_assign(iseq, ret, RNODE_MATCH2(node)->nd_args);
     }
 
diff --git a/parse.y b/parse.y
index f04ba77b25..7601e03f16 100644
--- a/parse.y
+++ b/parse.y
@@ -11504,7 +11504,6 @@ rb_node_match3_new(struct parser_params *p, NODE *nd_recv, NODE *nd_value, const
     rb_node_match3_t *n = NODE_NEWNODE(NODE_MATCH3, rb_node_match3_t, loc);
     n->nd_recv = nd_recv;
     n->nd_value = nd_value;
-    n->not_used = 0;
 
     return n;
 }
diff --git a/rubyparser.h b/rubyparser.h
index 2fd23a7a97..f46d847dfd 100644
--- a/rubyparser.h
+++ b/rubyparser.h
@@ -614,7 +614,6 @@ typedef struct RNode_MATCH3 {
 
     struct RNode *nd_recv;
     struct RNode *nd_value;
-    VALUE not_used;
 } rb_node_match3_t;
 
 typedef struct RNode_LIT {