stmt.c (case_bit_test_cmp): Stabilize the sort using code label numbers.

	* stmt.c (case_bit_test_cmp): Stabilize the sort using code
	label numbers.

From-SVN: r110021

gcc/ChangeLog

+2006-01-20  Richard Sandiford  <richard@codesourcery.com>
+
+	* stmt.c (case_bit_test_cmp): Stabilize the sort using code
+	label numbers.
+
 2006-01-20  Richard Guenther  <rguenther@suse.de>
 	Steven Bosscher <stevenb.gcc@gmail.com>
 

gcc/stmt.c

@@ -2170,7 +2170,11 @@ case_bit_test_cmp (const void *p1, const void *p2)
   const struct case_bit_test *d1 = p1;
   const struct case_bit_test *d2 = p2;
 
-  return d2->bits - d1->bits;
+  if (d2->bits != d1->bits)
+    return d2->bits - d1->bits;
+
+  /* Stabilize the sort.  */
+  return CODE_LABEL_NUMBER (d2->label) - CODE_LABEL_NUMBER (d1->label);
 }
 
 /*  Expand a switch statement by a short sequence of bit-wise