Status: New
Owner: ----
New issue 3534 by [email protected]: Array.prototype.{reduce,
reduceRight}: Wrong order of operations when determining initial value
https://code.google.com/p/v8/issues/detail?id=3534
[[HasProperty]] needs to be executed before [[Get]] when determining the
initial value.
Expected: Returns `undefined`
Actual: Throws TypeError
Test case:
---
a = [];
Object.defineProperty(a, "0", {get: function(){ delete this[0] },
configurable: true});
a.reduce(function(a){ return a });
---
Expected: Returns `undefined`
Actual: Throws TypeError
Test case:
---
a = [];
Object.defineProperty(a, "0", {get: function(){ delete this[0] },
configurable: true});
a.reduceRight(function(a){ return a });
---
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