re PR ipa/61340 (ipa-pure-const.c, ipa-reference.c: possible missing switch cases ?)

2014-06-04  Martin Jambor  <mjambor@suse.cz>

	PR ipa/61340
	* ipa-pure-const.c (propagate_pure_const): Add unreachable default
	handler for switch on an ipa_ref_use enum.
	* ipa-reference.c (analyze_function): Likewise.

From-SVN: r211216

gcc/ChangeLog

+2014-06-04  Martin Jambor  <mjambor@suse.cz>
+
+	PR ipa/61340
+	* ipa-pure-const.c (propagate_pure_const): Add unreachable default
+	handler for switch on an ipa_ref_use enum.
+	* ipa-reference.c (analyze_function): Likewise.
+
 2014-06-04  Kai Tietz  <ktietz@redhat.com>
 
 	* recog.c (peep2_attempt): Copy SIBLING_CALL_P flag

gcc/ipa-pure-const.c

@@ -1286,6 +1286,8 @@ propagate_pure_const (void)
 		  break;
 		case IPA_REF_ADDR:
 		  break;
+		default:
+		  gcc_unreachable ();
 		}
 	      better_state (&ref_state, &ref_looping,
 			    w_l->state_previously_known,

gcc/ipa-reference.c

@@ -483,6 +483,8 @@ analyze_function (struct cgraph_node *fn)
 	  break;
 	case IPA_REF_ADDR:
 	  break;
+	default:
+	  gcc_unreachable ();
 	}
     }