Generator object "next" method takes optional send value

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index 3ebe9c0c3a5e0b5a5ccb19e281d7776e9c544e95..88feac521f01094f972d416cbe20d7c99bc5dce2 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -6529,7 +6529,7 @@ class JSGeneratorObject: public JSObject {
   static const int kSize = kStackHandlerIndexOffset + kPointerSize;
 
   // Resume mode, for use by runtime functions.
-  enum ResumeMode { SEND, THROW };
+  enum ResumeMode { NEXT, THROW };
 
   // Yielding from a generator returns an object with the following inobject
   // properties.  See Context::generator_result_map() for the map.