diff options
Diffstat (limited to 'overlays/patches/emacs/overlay/overlays/bytecomp-revert.patch')
| -rw-r--r-- | overlays/patches/emacs/overlay/overlays/bytecomp-revert.patch | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/overlays/patches/emacs/overlay/overlays/bytecomp-revert.patch b/overlays/patches/emacs/overlay/overlays/bytecomp-revert.patch new file mode 100644 index 000000000000..eee74107a80d --- /dev/null +++ b/overlays/patches/emacs/overlay/overlays/bytecomp-revert.patch @@ -0,0 +1,30 @@ +diff --git a/lisp/emacs-lisp/bytecomp.el b/lisp/emacs-lisp/bytecomp.el +index ac040799a22..42b733b0830 100644 +--- a/lisp/emacs-lisp/bytecomp.el ++++ b/lisp/emacs-lisp/bytecomp.el +@@ -3521,8 +3521,6 @@ byte-compile-form + (setq form (cons 'progn (cdr form))) + (setq handler #'byte-compile-progn)) + ((and (or sef (function-get (car form) 'important-return-value)) +- ;; Don't warn for arguments to `ignore'. +- (not (eq byte-compile--for-effect 'for-effect-no-warn)) + (byte-compile-warning-enabled-p + 'ignored-return-value (car form))) + (byte-compile-warn-x +@@ -4464,8 +4462,11 @@ 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. +-- +2.40.1 + |