[PATCH] fix gas/gcc incompatibility regression on sparc (PR gas/13441)

[David Miller]

From: Mikael Pettersson <mikpe@it.uu.se>
Date: Sun, 27 Nov 2011 21:25:15 +0100

> @@ -507,7 +509,7 @@ md_parse_option (int c, char *arg)
>  	if (!architecture_requested
>  	    || opcode_arch > max_architecture)
>  	  max_architecture = opcode_arch;
> -	hwcap_allowed |= sa->hwcap_allowed;
> +	hwcap_allowed = sa->hwcap_allowed;
>  	architecture_requested = 1;
>        }
>        break;

BTW, this patch also has a problem here.  This is intentionally an
"or".  Your change means that you can't do things like "-AX -AY" to
turn on multiple sets of options any longer.