Closed Bug 613122 Opened 14 years ago Closed 14 years ago

"Assertion failure: capacity >= fixed"

Categories

(Core :: JavaScript Engine, defect)

x86
macOS
defect
Not set
critical

Tracking

()

RESOLVED FIXED

People

(Reporter: jruderman, Assigned: bhackett1024)

References

Details

(Keywords: assertion, regression, testcase, Whiteboard: fixed-in-tracemonkey)

Attachments

(2 files)

Attached file stack trace
var a = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1];
a.push(1);
a.splice(0);
a.d = "";

Assertion failure: capacity >= fixed, at js/src/jsobjinlines.h:677

The first bad revision is:
changeset:   bc000c1509ac
user:        Brian Hackett
date:        Mon Nov 15 17:21:58 2010 -0800
summary:     Fix fixed slots invariant for slow arrays, bug 610592. r=brendan
Attached patch patchSplinter Review
Thanks!  We would allow the number of slots on an object to shrink below the number of fixed slots, which confused revertToFixedSlots.
Assignee: general → bhackett1024
Attachment #491449 - Flags: review?(brendan)
Attachment #491449 - Flags: review?(brendan) → review+
http://hg.mozilla.org/tracemonkey/rev/8a888bf6d83c
Whiteboard: fixed-in-tracemonkey
http://hg.mozilla.org/mozilla-central/rev/8a888bf6d83c
Status: NEW → RESOLVED
Closed: 14 years ago
Resolution: --- → FIXED
A testcase for this bug was automatically identified at js/src/jit-test/tests/basic/bug613122.js.
Flags: in-testsuite+
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