Re: port-luna68k/52680: src/sys/arch/luna68k/stand/boot/sc.c:411]: (warning) Redundant assignment

[Robert Elz <kre%munnari.OZ.AU@localhost>]

The following reply was made to PR port-luna68k/52680; it has been noted by GNATS.

From: Robert Elz <kre%munnari.OZ.AU@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: 
Subject: Re: port-luna68k/52680: src/sys/arch/luna68k/stand/boot/sc.c:411]: (warning) Redundant assignment
Date: Tue, 31 Oct 2017 20:11:08 +0700

     Date:        Tue, 31 Oct 2017 11:45:00 +0000 (UTC)
     From:        dcb314%hotmail.com@localhost
     Message-ID:  <20171031114500.37C017A1C4%mollari.NetBSD.org@localhost>
 
   |     if (hd->scsi_ints != 0)
   |         hd->scsi_ints = hd->scsi_ints;
 
 The compiler is broken (issuing misleading warnings.)
 
 scsi_ints is a volatile field (a device register) - assigning it t
 itself is an entirely reasonable thing to do.
 
 How to make gcc (I presume) shut up about it, I will leave for someone else.
 
 kre