Report more port state failures

Follows whatwg/url@cc8b776. Does not impact normal URL parsing, but instead only direct usage of the underlying URL record API.

Author: domenic

README.md

@@ -4,7 +4,7 @@ whatwg-url is a full implementation of the WHATWG [URL Standard](https://url.spe
 
 ## Specification conformance
 
-whatwg-url is currently up to date with the URL spec up to commit [6c78200](https://github.com/whatwg/url/commit/6c782003a2d53b1feecd072d1006eb8f1d65fb2d).
+whatwg-url is currently up to date with the URL spec up to commit [05a5d83](https://github.com/whatwg/url/commit/05a5d834deba31622390ee05a3dcbc22496b7bb5).
 
 For `file:` URLs, whose [origin is left unspecified](https://url.spec.whatwg.org/#concept-url-origin), whatwg-url chooses to use a new opaque origin (which serializes to `"null"`).
 

lib/url-state-machine.js

@@ -861,9 +861,12 @@ URLStateMachine.prototype["parse port"] = function parsePort(c, cStr) {
       }
       this.url.port = port === defaultPort(this.url.scheme) ? null : port;
       this.buffer = "";
+      if (this.stateOverride) {
+        return false;
+      }
     }
     if (this.stateOverride) {
-      return false;
+      return failure;
     }
     this.state = "path start";
     --this.pointer;