diff --git a/wp-includes/class-wp-comment.php b/wp-includes/class-wp-comment.php
index 996815939d..c5a0bd9aaf 100644
--- a/wp-includes/class-wp-comment.php
+++ b/wp-includes/class-wp-comment.php
@@ -351,14 +351,16 @@ final class WP_Comment {
 	 *
 	 * @since 4.4.0
 	 *
-	 * @param string $name Property name.
-	 * @return bool
+	 * @param string $name Property to check if set.
+	 * @return bool Whether the property is set.
 	 */
 	public function __isset( $name ) {
 		if ( in_array( $name, $this->post_fields, true ) && 0 !== (int) $this->comment_post_ID ) {
 			$post = get_post( $this->comment_post_ID );
 			return property_exists( $post, $name );
 		}
+
+		return false;
 	}
 
 	/**
diff --git a/wp-includes/class-wp-query.php b/wp-includes/class-wp-query.php
index d25493dc5c..bc673191a8 100644
--- a/wp-includes/class-wp-query.php
+++ b/wp-includes/class-wp-query.php
@@ -4011,6 +4011,8 @@ class WP_Query {
 		if ( in_array( $name, $this->compat_fields, true ) ) {
 			return isset( $this->$name );
 		}
+
+		return false;
 	}
 
 	/**
diff --git a/wp-includes/version.php b/wp-includes/version.php
index b37a9890fe..aa3238388b 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.8-alpha-59336';
+$wp_version = '6.8-alpha-59337';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.