Use cl-with-gensyms in a few more cases

* doc/misc/cl.texi (Macro Bindings):
* lisp/emacs-lisp/comp.el (comp--with-sp):
* lisp/emacs-lisp/subr-x.el (with-buffer-unmodified-if-unchanged):
* lisp/eshell/em-extpipe.el (eshell-extpipe--or-with-catch):
* lisp/international/mule-cmds.el (with-locale-environment):
* lisp/kmacro.el (kmacro-menu--marks-exist-p):
* test/lisp/emacs-lisp/cl-extra-tests.el (cl-lib-test-remprop):
* test/lisp/emacs-lisp/edebug-tests.el (edebug-tests-deduplicate):
* test/lisp/emacs-lisp/ert-tests.el (ert-test-special-operator-p):
* test/lisp/kmacro-tests.el (kmacro-tests-should-insert)
(kmacro-tests-should-match-message):
* test/lisp/replace-tests.el (replace-tests-with-undo): Use
cl-with-gensyms instead of bare gensym call.

doc/misc/cl.texi

@@ -1370,7 +1370,7 @@ expansion of another macro:
 
 @example
 (cl-defmacro my-dolist ((x list) &rest body)
-  (let ((var (cl-gensym)))
+  (cl-with-gensyms (var)
     (list 'cl-loop 'for var 'on list 'do
           (cl-list* 'cl-symbol-macrolet
                     (list (list x (list 'car var)))

lisp/emacs-lisp/comp.el

@@ -953,7 +953,7 @@ Points to the next slot to be filled.")
 Restore the original value afterwards."
   (declare (debug (form body))
            (indent defun))
-  (let ((sym (gensym)))
+  (cl-with-gensyms (sym)
     `(let ((,sym (comp--sp)))
        (setf (comp--sp) ,sp)
        (progn ,@body)

lisp/emacs-lisp/subr-x.el

@@ -551,8 +551,7 @@ as changes in text properties, `buffer-file-coding-system', buffer
 multibyteness, etc. -- will not be noticed, and the buffer will still
 be marked unmodified, effectively ignoring those changes."
   (declare (debug t) (indent 0))
-  (let ((hash (gensym))
-        (buffer (gensym)))
+  (cl-with-gensyms (hash buffer)
     `(let ((,hash (and (not (buffer-modified-p))
                        (buffer-hash)))
            (,buffer (current-buffer)))

lisp/eshell/em-extpipe.el

@@ -69,7 +69,7 @@ again."
 
 If `eshell-incomplete' is thrown during the evaluation of a
 disjunct, that disjunct yields nil."
-  (let ((result (gensym)))
+  (cl-with-gensyms (result)
     `(let (,result)
        (or ,@(cl-loop for disjunct in disjuncts collect
                       `(if (catch 'eshell-incomplete

lisp/international/mule-cmds.el

@@ -2668,7 +2668,7 @@ but this macro does not by itself perform redisplay.  If BODY needs to
 display something with LOCALE-NAME's settings, include a call
 to `redraw-frame' in BODY."
   (declare (indent 1) (debug (sexp def-body)))
-  (let ((current (gensym)))
+  (cl-with-gensyms (current)
     `(let ((,current current-locale-environment))
        (unwind-protect
            (progn

lisp/kmacro.el

@@ -1678,7 +1678,7 @@ line after applying FUNCTION."
 
 (defun kmacro-menu--marks-exist-p ()
   "Return non-nil if markers exist for any table entries."
-  (let ((tag (gensym)))
+  (cl-with-gensyms (tag)
     (catch tag
       (kmacro-menu--map-ids (lambda (id)
                               (when (alist-get (kmacro-menu--id-position id)

test/lisp/emacs-lisp/cl-extra-tests.el

@@ -23,7 +23,7 @@
 (require 'ert)
 
 (ert-deftest cl-lib-test-remprop ()
-  (let ((x (cl-gensym)))
+  (cl-with-gensyms (x)
     (should (equal (symbol-plist x) '()))
     ;; Remove nonexistent property on empty plist.
     (cl-remprop x 'b)

test/lisp/emacs-lisp/edebug-tests.el

@@ -321,8 +321,7 @@ NAME should be a string and NAMES-AND-NUMBERS an alist which can
 be used by this macro to retain state.  If NAME for example is
 \"symbol\" then the first and subsequent uses of this macro will
 evaluate to \"symbol\", \"symbol-1\", \"symbol-2\", etc."
-  (let ((g-name (gensym))
-        (g-duplicate (gensym)))
+  (cl-with-gensyms (g-name g-duplicate)
     `(let* ((,g-name ,name)
             (,g-duplicate (assoc ,g-name ,names-and-numbers)))
        (if (null ,g-duplicate)

test/lisp/emacs-lisp/ert-tests.el

@@ -617,7 +617,7 @@ This macro is used to test if macroexpansion in `should' works."
   (should (ert--special-operator-p 'if))
   (should-not (ert--special-operator-p 'car))
   (should-not (ert--special-operator-p 'ert--special-operator-p))
-  (let ((b (cl-gensym)))
+  (cl-with-gensyms (b)
     (should-not (ert--special-operator-p b))
     (fset b 'if)
     (should (ert--special-operator-p b))))

test/lisp/kmacro-tests.el

@@ -24,6 +24,7 @@
 ;;; Code:
 
 (require 'kmacro)
+(require 'cl-lib)
 (require 'seq)
 (require 'ert)
 (require 'ert-x)
@@ -157,8 +158,7 @@ Execute BODY, then check that the string VALUE was inserted
 into the current buffer at point."
   (declare (debug (stringp body))
            (indent 1))
-  (let ((g-p (cl-gensym))
-        (g-bsize (cl-gensym)))
+  (cl-with-gensyms (g-p g-bsize)
     `(let ((,g-p (point))
            (,g-bsize (buffer-size)))
        ,@body
@@ -172,7 +172,7 @@ VALUE and any text written to *Messages* during the execution,
 cause the current test to fail."
   (declare (debug (form body))
            (indent 1))
-  (let ((g-captured-messages (cl-gensym)))
+  (cl-with-gensyms (g-captured-messages)
     `(ert-with-message-capture ,g-captured-messages
        ,@body
        (should (string-match-p ,value ,g-captured-messages)))))

test/lisp/replace-tests.el

@@ -528,8 +528,7 @@ then replace 3 matches of FROM with TO, and undo the last replacement.
 
 Return the last evalled form in BODY."
   (declare (indent 5) (debug (stringp stringp stringp form characterp body)))
-  (let ((text (gensym "text"))
-        (count (gensym "count")))
+  (cl-with-gensyms (text count)
     `(let* ((,text ,input)
             (,count 0)
             (inhibit-message t))