From fc150b15882bcc2d2bea3e52f645cceb773bd2e5 Mon Sep 17 00:00:00 2001
From: Kevin Newton <kddnewton@gmail.com>
Date: Sun, 14 Dec 2025 11:48:23 -0500
Subject: [PATCH] Unreference the block node before destroying it

---
 src/prism.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/prism.c b/src/prism.c
index 7059db8f1d..e10c39bb59 100644
--- a/src/prism.c
+++ b/src/prism.c
@@ -18492,6 +18492,7 @@ parse_expression_prefix(pm_parser_t *parser, pm_binding_power_t binding_power, b
             // yield node.
             if (arguments.block != NULL) {
                 pm_parser_err_node(parser, arguments.block, PM_ERR_UNEXPECTED_BLOCK_ARGUMENT);
+                pm_node_unreference(parser, arguments.block);
                 pm_node_destroy(parser, arguments.block);
                 arguments.block = NULL;
             }