725003 - IonMonkey: Assertion failure: js_CheckForStringIndex(id) == id, at js/src/jsatom.h:107

Status: RESOLVED FIXED

(Core :: JavaScript Engine, defect)

Description

[Christian Holler (:decoder)]

The following testcase asserts on ionmonkey revision c34398f961e7 (run with --ion -n), tested on 64 bit:


function TestCase(n, d, e, a) {
  this.name = n;
  this.description = d;
  this.expect = e;
  this.actual = a;
  this.passed = getTestCaseResult(e, a);
  this.reason = '';
}
function getTestCaseResult(expected, actual) {}
var obj = new Function();
for (var i = 0; i < 100; i++) {
        obj['-1'] = new Array();
    assertEq(obj['-1'] == null, false);
    obj = new TestCase();
}

Comment 1

[David Anderson [:dvander] - inactive, e-mail if emergency]

Attachment: fix

Long-term we should probably use lookupProperty but for now this is fine.

Comment 2

[David Anderson [:dvander] - inactive, e-mail if emergency]

http://hg.mozilla.org/projects/ionmonkey/rev/63d066d8186b

Comment 3

[Christian Holler (:decoder)]

A testcase for this bug was automatically identified at js/src/jit-test/tests/ion/bug725003.js.