* recog.c (peephole2_optimize): Add default case to switch.

From-SVN: r46422

gcc/ChangeLog

+2001-10-22  Zack Weinberg  <zack@codesourcery.com>
+
+	* recog.c (peephole2_optimize): Add default case to switch.
+
 2001-10-23  Joseph S. Myers  <jsm28@cam.ac.uk>
 
 	* doc/gcc.texi (Sending Patches): Remove.

gcc/recog.c

@@ -3120,6 +3120,8 @@ peephole2_optimize (dump_file)
 			      = gen_rtx_EXPR_LIST (REG_NOTE_KIND (note),
 						   XEXP (note, 0),
 						   REG_NOTES (new_insn));
+			  default:
+			    /* Discard all other reg notes. */
 			    break;
 			  }