Index: wp-includes/class-wp-comment-query.php
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- wp-includes/class-wp-comment-query.php	(revision 34951)
+++ wp-includes/class-wp-comment-query.php	(revision )
@@ -410,9 +410,10 @@
 		_prime_comment_caches( $comment_ids, $this->query_vars['update_comment_meta_cache'] );
 
 		// Fetch full comment objects from the primed cache.
+		// fallback to get_comment function since cache could be disabled @see wp_suspend_cache_addition()
 		$_comments = array();
 		foreach ( $comment_ids as $comment_id ) {
-			if ( $_comment = wp_cache_get( $comment_id, 'comment' ) ) {
+			if ( ( $_comment = wp_cache_get( $comment_id, 'comment' ) ) || ( $_comment = get_comment( $comment_id ) ) ) {
 				$_comments[] = $_comment;
 			}
 		}