From: Paul Eggert <eggert@cs.ucla.edu>
Date: Fri, 29 Jun 2018 07:29:13 +0000 (-0700)
Subject: * src/lisp.h: Add comment (Bug#31996#25).
X-Git-Tag: emacs-27.0.90~4751
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=b2c854a0e1364eab11151da7fa7558053bc834c4;p=emacs.git

* src/lisp.h: Add comment (Bug#31996#25).
---

diff --git a/src/lisp.h b/src/lisp.h
index cf7b8c0ebc5..6203a746a30 100644
--- a/src/lisp.h
+++ b/src/lisp.h
@@ -3050,6 +3050,8 @@ enum specbind_tag {
 
 union specbinding
   {
+    /* Aligning similar members consistently might help efficiency slightly
+       (Bug#31996#25).  */
     ENUM_BF (specbind_tag) kind : CHAR_BIT;
     struct {
       ENUM_BF (specbind_tag) kind : CHAR_BIT;