diff -r aba0055b21e4 cc-engine.el
--- a/cc-engine.el	Mon Jul 01 20:21:18 2024 +0000
+++ b/cc-engine.el	Sun Jul 14 20:21:48 2024 +0000
@@ -8794,6 +8794,7 @@
   ;; This function might do hidden buffer changes.
 
   (let ((start (point))
+	(old-record-type-identifiers c-record-type-identifiers)
 	(old-found-types (copy-hash-table c-found-types))
 	;; If `c-record-type-identifiers' is set then activate
 	;; recording of any found types that constitute an argument in
@@ -8830,7 +8831,8 @@
 		    (nconc c-record-found-types c-record-type-identifiers)))
 	    t)
 
-	(setq c-found-types old-found-types)
+	(setq c-record-type-identifiers old-record-type-identifiers
+	      c-found-types old-found-types)
 	(goto-char start)
 	nil))))