Index: wp-includes/post-template.php
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- wp-includes/post-template.php	(revision 1bad16273e06d8506bb7b9ecfadc9f35c9d030e4)
+++ wp-includes/post-template.php	(revision )
@@ -380,10 +380,12 @@
 	 * Filter the retrieved post excerpt.
 	 *
 	 * @since 1.2.0
+	 * @since 4.5.0 Introduced the `$post` parameter.
 	 *
 	 * @param string $post_excerpt The post excerpt.
+	 * @param WP_Post $post WP_Post Object.
 	 */
-	return apply_filters( 'get_the_excerpt', $post->post_excerpt );
+	return apply_filters( 'get_the_excerpt', $post->post_excerpt, $post );
 }
 
 /**