Workaround for -fprofile-arcs/computed goto failure.

	* profile.c (branch_prob): If see computed goto, call fatal instead of
	abort.

From-SVN: r18453

gcc/ChangeLog

 Mon Mar  9 12:02:23 1998  Jim Wilson  <wilson@cygnus.com>
 
+	* profile.c (branch_prob): If see computed goto, call fatal instead of
+	abort.
+
 	* config/mips/sni-svr4.h (CPP_PREDEFINE): Add -DSNI and -Dsinix.
 	
 	* configure.in (alpha-dec-osf): Add default case for osf* to switch.

gcc/profile.c

@@ -759,9 +759,10 @@ branch_prob (f, dump_file)
 	      {
 		rtx label_ref;
 
-		/* Must be an IF_THEN_ELSE branch.  */
+		/* Must be an IF_THEN_ELSE branch.  If it isn't, assume it
+		   is a computed goto, which aren't supported yet.  */
 		if (GET_CODE (tem) != IF_THEN_ELSE)
-		  abort ();
+		  fatal ("-fprofile-arcs does not support computed gotos");
 		if (XEXP (tem, 1) != pc_rtx)
 		  label_ref = XEXP (tem, 1);
 		else