From: Paul Eggert <eggert@cs.ucla.edu>
Date: Wed, 6 May 2020 17:57:18 +0000 (-0700)
Subject: Pacify buggy old GCC with a cast
X-Git-Tag: emacs-28.0.90~7424
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=02f5a419fdcfb3fb6c8a3e4debe7224010b40227;p=emacs.git

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
---

diff --git a/src/bignum.h b/src/bignum.h
index ad9021f15fd..4a906c3c0eb 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);
 }