diff --git a/test/lisp/emacs-lisp/generator-tests.el b/test/lisp/emacs-lisp/generator-tests.el
index 1a567ac70f..11542ab15d 100644
--- a/test/lisp/emacs-lisp/generator-tests.el
+++ b/test/lisp/emacs-lisp/generator-tests.el
@@ -282,3 +282,10 @@ identical output.
 (ert-deftest cps-test-declarations-preserved ()
   (should (equal (documentation 'generator-with-docstring) "Documentation!"))
   (should (equal (get 'generator-with-docstring 'lisp-indent-function) 5)))
+
+;; Bug #26068.  The problem is that `pcase' uses several `x' symbols,
+;; which are not identical, but have the same name.
+(ert-deftest cps-test-symbols-with-same-name ()
+  (should (equal (iter-next (funcall (iter-lambda () (pcase (list 1 2)
+                                                       (`(,a ,b) (iter-yield (+ a b)))))))
+                 3)))