Add names to types to avoid recursive explosion and to get

the right answer when a type name redefines an existing type.

R=rsc
DELTA=133  (53 added, 8 deleted, 72 changed)
OCL=17637
CL=17639

usr/r/reflect/main.go

@@ -9,12 +9,12 @@ import (
 )
 
 func typedump(s string) {
-	t := reflect.ParseTypeString(s);
+	t := reflect.ParseTypeString("", s);
 	print(reflect.TypeToString(t),"; size = ", t.Size(), "\n");
 }
 
 func valuedump(s string) {
-	t := reflect.ParseTypeString(s);
+	t := reflect.ParseTypeString("", s);
 	v := reflect.NewInitValue(t);
 	switch v.Kind() {
 	case reflect.Int8Kind:

usr/r/reflect/tostring.go

@@ -35,6 +35,9 @@ func TypeFieldsToString(t HasFields, sep string) string {
 
 func TypeToString(typ Type) string {
 	var str string;
+	if name := typ.Name(); name != "" {
+		return name
+	}
 	switch(typ.Kind()) {
 	case MissingKind:
 		return "$missing$";