A64: Synchronize with r15545.

test/webkit/JSON-stringify-replacer-expected.txt

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-Tests the behavior of Array.prototype.concat while the array is having a bad time due to one of the elements we are concatenating.
+Test to ensure correct behaviour of replacer functions in JSON.stringify
 
 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
 
 
-PASS [42].concat() is [42]
+PASS JSON.stringify(object, returnUndefined) is undefined.
+PASS JSON.stringify(array, returnUndefined) is undefined.
+PASS JSON.stringify(object, returnObjectFor1) is '{"0":0,"1":{},"2":2}'
+PASS JSON.stringify(array, returnObjectFor1) is '[0,{},2,null]'
+PASS JSON.stringify(object, returnArrayFor1) is '{"0":0,"1":[],"2":2}'
+PASS JSON.stringify(array, returnArrayFor1) is '[0,[],2,null]'
+PASS JSON.stringify(object, returnUndefinedFor1) is '{"0":0,"2":2}'
+PASS JSON.stringify(array, returnUndefinedFor1) is '[0,null,2,null]'
+PASS JSON.stringify(object, returnFunctionFor1) is '{"0":0,"2":2}'
+PASS JSON.stringify(array, returnFunctionFor1) is '[0,null,2,null]'
+PASS JSON.stringify(object, returnNullFor1) is '{"0":0,"1":null,"2":2}'
+PASS JSON.stringify(array, returnNullFor1) is '[0,null,2,null]'
+PASS JSON.stringify(object, returnStringForUndefined) is '{"0":0,"1":1,"2":2,"3":"undefined value"}'
+PASS JSON.stringify(array, returnStringForUndefined) is '[0,1,2,"undefined value"]'
+PASS JSON.stringify(object, returnCycleObjectFor1) threw exception TypeError: Converting circular structure to JSON.
+PASS JSON.stringify(array, returnCycleObjectFor1) threw exception TypeError: Converting circular structure to JSON.
+PASS JSON.stringify(object, returnCycleArrayFor1) threw exception TypeError: Converting circular structure to JSON.
+PASS JSON.stringify(array, returnCycleArrayFor1) threw exception TypeError: Converting circular structure to JSON.
 PASS successfullyParsed is true
 
 TEST COMPLETE