Re: Compilation warning about PNTR_ADD

[Paul Eggert <eggert@cs.ucla.edu>]

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Hmm, looks like a bug in the GCC grammar for function attributes, but if 
so it's a longstanding one as it's still in GCC 8. Anyway, I installed 
the attached to work around it.

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From 5b335e8ee195733b067562d9c4199829b08e8b49 Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@cs.ucla.edu>
Date: Tue, 22 May 2018 13:05:19 -0700
Subject: [PATCH] Work around GCC bug with function attributes
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

* src/alloc.c (PNTR_ADD): Put attributes after ‘static’ and before
returned type.  Problem reported by Eli Zaretskii in:
https://lists.gnu.org/r/emacs-devel/2018-05/msg00559.html
---
 src/alloc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/alloc.c b/src/alloc.c
index d959c55350..4186347440 100644
--- a/src/alloc.c
+++ b/src/alloc.c
@@ -513,7 +513,7 @@ pointer_align (void *ptr, int alignment)
 
 #define macro_PNTR_ADD(p, i) ((p) + (i))
 
-static char * ATTRIBUTE_NO_SANITIZE_UNDEFINED ATTRIBUTE_UNUSED
+static ATTRIBUTE_NO_SANITIZE_UNDEFINED ATTRIBUTE_UNUSED char *
 PNTR_ADD (char *p, EMACS_UINT i)
 {
   return macro_PNTR_ADD (p, i);
-- 
2.17.0