Index: src/wp-includes/post.php
===================================================================
--- src/wp-includes/post.php	(revision 37280)
+++ src/wp-includes/post.php	(working copy)
@@ -3623,6 +3623,8 @@
 	if ( 'publish' == $post->post_status )
 		return;
 
+	$post_before = $post;
+
 	$wpdb->update( $wpdb->posts, array( 'post_status' => 'publish' ), array( 'ID' => $post->ID ) );
 
 	clean_post_cache( $post->ID );
@@ -3631,10 +3633,15 @@
 	$post->post_status = 'publish';
 	wp_transition_post_status( 'publish', $old_status, $post );
 
+	$post_after = $post;
+
 	/** This action is documented in wp-includes/post.php */
 	do_action( 'edit_post', $post->ID, $post );
 
 	/** This action is documented in wp-includes/post.php */
+	do_action( 'post_updated', $post->ID, $post_after, $post_before );
+
+	/** This action is documented in wp-includes/post.php */
 	do_action( "save_post_{$post->post_type}", $post->ID, $post, true );
 
 	/** This action is documented in wp-includes/post.php */