Revert "Revert "Revert "Revert "fixup! Update bytecomp-revert.patch""""

This reverts commit 3d54e9e247.

overlays/bytecomp-revert.patch

@@ -1,5 +1,5 @@
 diff --git a/lisp/emacs-lisp/bytecomp.el b/lisp/emacs-lisp/bytecomp.el
-index 6c5051d70c4..be079346911 100644
+index 6c5051d70c4..a0063cbef7b 100644
 --- a/lisp/emacs-lisp/bytecomp.el
 +++ b/lisp/emacs-lisp/bytecomp.el
 @@ -3570,8 +3570,6 @@ byte-compile-form
@@ -11,6 +11,20 @@ index 6c5051d70c4..be079346911 100644
                       (byte-compile-warning-enabled-p
                        'ignored-return-value (car form)))
                  (byte-compile-warn-x
+@@ -4515,8 +4513,11 @@ byte-compile-goto-if
+ 
+ (defun byte-compile-ignore (form)
+   (dolist (arg (cdr form))
+-    ;; Compile each argument for-effect but suppress unused-value warnings.
+-    (byte-compile-form arg 'for-effect-no-warn))
++    ;; Compile args for value (to avoid warnings about unused values),
++    ;; emit a discard after each, and trust the LAP peephole optimiser
++    ;; to annihilate useless ops.
++    (byte-compile-form arg)
++    (byte-compile-discard))
+   (byte-compile-form nil))
+ 
+ ;; Return the list of items in CONDITION-PARAM that match PRED-LIST.
 -- 
 2.42.0