JSON.parse: properly deal with reviver result

test/webkit/fast/js/JSON-parse-reviver-expected.txt

Index: test/webkit/fast/js/JSON-parse-reviver-expected.txt
diff --git a/test/webkit/fast/js/JSON-parse-reviver-expected.txt b/test/webkit/fast/js/JSON-parse-reviver-expected.txt
index c68efa417be8304de4e0659c39ad4602fcac099c..bcd9e5a0811bba3756715900e1e8776ad0e3a178 100644
--- a/test/webkit/fast/js/JSON-parse-reviver-expected.txt
+++ b/test/webkit/fast/js/JSON-parse-reviver-expected.txt
@@ -46,7 +46,7 @@ Ensure that we always get the same holder
 PASS currentHolder is lastHolder
 
 Ensure that returning undefined has removed the property 0 from the holder during filtering.
-FAIL currentHolder.hasOwnProperty(0) should be false. Was true.
+PASS currentHolder.hasOwnProperty(0) is false
 
 Ensure the holder for our array is indeed an array
 PASS Array.isArray(currentHolder) is true
@@ -76,18 +76,19 @@ PASS value is undefined.
 
 Ensure the holder for our array is indeed an array
 PASS Array.isArray(currentHolder) is true
-FAIL currentHolder.length should be 3. Was 4.
+PASS currentHolder.length is 4
 
 Ensure that we always get the same holder
 PASS currentHolder is lastHolder
-FAIL Did not call reviver for deleted property
+PASS Ensured that property was visited despite Array length being reduced.
+PASS value is undefined.
 
 Ensure that we created the root holder as specified in ES5
 PASS '' in lastHolder is true
 PASS result is lastHolder['']
 
 Ensure that a deleted value is revived if the reviver function returns a value
-FAIL result.hasOwnProperty(3) should be true. Was false.
+PASS result.hasOwnProperty(3) is true
 
 Test behaviour of revivor used in conjunction with an object
 PASS currentHolder != globalObject is true
@@ -113,11 +114,21 @@ PASS currentHolder['and another property'] is "a replaced value"
 
 Ensure that the changed value is reflected in the arguments passed to the reviver
 PASS value is "a replaced value"
+PASS currentHolder != globalObject is true
+
+Ensure that we get the same holder object for each property
+PASS currentHolder is lastHolder
+
+Ensure that we visited a value that we have deleted, and that deletion is reflected while filtering.
+PASS currentHolder.hasOwnProperty('to delete') is false
+
+Ensure that when visiting a deleted property value is undefined
+PASS value is undefined.
 
 Ensure that we created the root holder as specified in ES5
 PASS lastHolder.hasOwnProperty('') is true
 PASS result.hasOwnProperty('a property') is false
-FAIL result.hasOwnProperty('to delete') should be true. Was false.
+PASS result.hasOwnProperty('to delete') is true
 PASS result is lastHolder['']
 
 Test behaviour of revivor that introduces a cycle