Ensure known precedence for "void" type kw

Ayaz Hafiz · copybara-github · commit bf12548f5a19 · 2020-07-31T13:14:22.000-07:00
PiperOrigin-RevId: 324270703
diff --git a/src/com/google/javascript/jscomp/NodeUtil.java b/src/com/google/javascript/jscomp/NodeUtil.java
@@ -1296,6 +1296,7 @@ public static int precedence(Token type) {
       case NULLABLE_TYPE:
       case NAMED_TYPE:
       case UNDEFINED_TYPE:
+      case VOID_TYPE:
       case GENERIC_TYPE:
         return 21;
       case CAST:
