Remove unused 'receiver' field from generators

test/mjsunit/es6/generators-mirror.js

Index: test/mjsunit/es6/generators-mirror.js
diff --git a/test/mjsunit/es6/generators-mirror.js b/test/mjsunit/es6/generators-mirror.js
index bf21f4dff5229378b6bc3432e8006c1b657758c4..60ae2aaecd623c0d9f1934d65814e7c13e8c7217 100644
--- a/test/mjsunit/es6/generators-mirror.js
+++ b/test/mjsunit/es6/generators-mirror.js
@@ -24,7 +24,7 @@ MirrorRefCache.prototype.lookup = function(handle) {
   return this.refs_[handle];
 }
 
-function TestGeneratorMirror(g, status, line, column, receiver) {
+function TestGeneratorMirror(g, status, line, column) {
   // Create mirror and JSON representation.
   var mirror = debug.MakeMirror(g);
   var serializer = debug.MakeMirrorSerializer();
@@ -44,7 +44,6 @@ function TestGeneratorMirror(g, status, line, column, receiver) {
   assertFalse(mirror.isPrimitive());
   assertEquals('Generator', mirror.className());
 
-  assertEquals(receiver, mirror.receiver().value());
   assertEquals(generator, mirror.func().value());
 
   assertEquals(status, mirror.status());
@@ -59,18 +58,16 @@ function TestGeneratorMirror(g, status, line, column, receiver) {
     assertEquals(undefined, loc);
   }
 
-  TestInternalProperties(mirror, status, receiver);
+  TestInternalProperties(mirror, status);
 }
 
-function TestInternalProperties(mirror, status, receiver) {
+function TestInternalProperties(mirror, status) {
   var properties = mirror.internalProperties();
   assertEquals(3, properties.length);
   assertEquals("[[GeneratorStatus]]", properties[0].name());
   assertEquals(status, properties[0].value().value());
   assertEquals("[[GeneratorFunction]]", properties[1].name());
   assertEquals(generator, properties[1].value().value());
-  assertEquals("[[GeneratorReceiver]]", properties[2].name());
-  assertEquals(receiver, properties[2].value().value());
 }
 
 var iter = generator(function() {
@@ -97,16 +94,16 @@ var iter2 = generator.call(obj, function() {
   var mirror = debug.MakeMirror(iter2);
   assertEquals('running', mirror.status());
   assertEquals(undefined, mirror.sourceLocation());
-  TestInternalProperties(mirror, 'running', obj);
+  TestInternalProperties(mirror, 'running');
 });
 
-TestGeneratorMirror(iter2, 'suspended', 7, 19, obj);
+TestGeneratorMirror(iter2, 'suspended', 7, 19);
 
 iter2.next();
-TestGeneratorMirror(iter2, 'suspended', 9, 2, obj);
+TestGeneratorMirror(iter2, 'suspended', 9, 2);
 
 iter2.next();
-TestGeneratorMirror(iter2, 'suspended', 11, 2, obj);
+TestGeneratorMirror(iter2, 'suspended', 11, 2);
 
 iter2.next();
-TestGeneratorMirror(iter2, 'closed', 0, 0, obj);
+TestGeneratorMirror(iter2, 'closed', 0, 0);