stream: prevent object map change in ReadableState

ReadableState has the resumeScheduled property that helps determine if a stream should be resumed. It was not assigned in the constructor. When stream.resume is called on a readable stream that is not flowing, it is set to true. This changes the property map of the ReadableState which can cause a deopt in onEofChunk and needMoreData. PR-URL: #4761 Reviewed-By: Ben Noordhuis <[email protected]> Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: Brian White <[email protected]>
nodejs · Mar 21, 2016 · fb5ba6b · fb5ba6b
1 parent 7c3b844
commit fb5ba6b
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/lib/_stream_readable.js b/lib/_stream_readable.js
@@ -51,6 +51,7 @@ function ReadableState(options, stream) {
   this.needReadable = false;
   this.emittedReadable = false;
   this.readableListening = false;
+  this.resumeScheduled = false;
 
   // Crypto is kind of old and crusty.  Historically, its default string
   // encoding is 'binary' so we have to make this configurable.