RTCStats operator== bugfix

webrtc/api/stats/rtcstats.h

Index: webrtc/api/stats/rtcstats.h
diff --git a/webrtc/api/stats/rtcstats.h b/webrtc/api/stats/rtcstats.h
index d23e928fad2d8b3c634433c989fab35ff34615e8..aea47c22ad855236160fc6ce88b534574b46aef3 100644
--- a/webrtc/api/stats/rtcstats.h
+++ b/webrtc/api/stats/rtcstats.h
@@ -271,6 +271,8 @@ class RTCStatsMember : public RTCStatsMemberInterface {
         static_cast<const RTCStatsMember<T>&>(other);
     if (!is_defined_)
       return !other_t.is_defined();
+    if (!other.is_defined())
+      return false;
     return value_ == other_t.value_;
   }
   std::string ValueToString() const override;