>From 02f5a419fdcfb3fb6c8a3e4debe7224010b40227 Mon Sep 17 00:00:00 2001
From: Paul Eggert <address@hidden>
Date: Wed, 6 May 2020 10:57:18 -0700
Subject: [PATCH] Pacify buggy old GCC with a cast

* src/bignum.h (bignum_integer): Pacify GCC 4.8.5.
Problem reported by Andreas Schwab in:
https://lists.gnu.org/r/emacs-devel/2020-05/msg00781.html
---
 src/bignum.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/bignum.h b/src/bignum.h
index ad9021f15f..4a906c3c0e 100644
--- a/src/bignum.h
+++ b/src/bignum.h
@@ -108,7 +108,8 @@ bignum_integer (mpz_t *tmp, Lisp_Object i)
   if (FIXNUMP (i))
     {
       mpz_set_intmax (*tmp, XFIXNUM (i));
-      return tmp;
+      /* The unnecessary cast pacifies a buggy GCC 4.8.5.  */
+      return (mpz_t const *) tmp;
     }
   return xbignum_val (i);
 }
-- 
2.17.1