Fix bf-sign-2.c failure on 64-bit host caused by my last patch.

	* bf-sign-2.c (main): Replace struct sizeof test with 4.

From-SVN: r25902

gcc/testsuite/gcc.c-torture/ChangeLog

+Mon Mar 22 14:55:58 1999  Jim Wilson  <wilson@cygnus.com>
+
+	* bf-sign-2.c (main): Replace struct sizeof test with 4.
+
 Wed Mar 17 12:22:39 1999  Richard Henderson  <rth@cygnus.com>
 
 	* gcc.c-torture/execute/ieee/980619-1.x: New.  Expected fail on x86.

gcc/testsuite/gcc.c-torture/execute/bf-sign-2.c

@@ -40,7 +40,9 @@ main ()
   if ((x.u15 - 2) >= 0)		/* promoted value should be signed */
     abort ();
 
-  if (sizeof (struct { unsigned long u32:32;}) <= sizeof (int))
+  /* Conditionalize check on whether integers are 4 bytes or larger, i.e.
+     larger than a 31 bit bitfield.  */
+  if (sizeof (int) >= 4)
     {
       if ((x.u31 - 2) >= 0)	/* promoted value should be signed */
 	abort ();