764850 - Assertion failure: allocated(), at ../../gc/Heap.h:498 or Crash [@ js::gc::MarkTypeObject]

Status: RESOLVED FIXED

(Core :: JavaScript Engine, defect)

Description

[Christian Holler (:decoder)]

The following testcase asserts on ionmonkey revision 7ab88528503e (run with --ion -n -m --ion-eager):


gczeal(4);
it.customNative = assertEq;

Comment 1

[Sean Stangl [:sstangl]]

This one reproduces with --no-ion --no-jm.

Comment 2

[Sean Stangl [:sstangl]]

This bug exists on mozilla-central (x86, debug). Impact is limited, since it appears to require the "it" object for failure, which only exists in shell builds.

CC'ing GC team members.

Comment 3

[Bill McCloskey [inactive unless it's an emergency] (:billm)]

Attachment: patch

Comment 4

[Andrew McCreight [:mccr8]]

If this is just a bug in GCZEAL it can probably be unhidden.

Comment 5

[Bill McCloskey [inactive unless it's an emergency] (:billm)]

https://hg.mozilla.org/integration/mozilla-inbound/rev/61d6f770a430

Comment 6

[Ryan VanderMeulen [:RyanVM]]

https://hg.mozilla.org/mozilla-central/rev/61d6f770a430

Comment 7

[Christian Holler (:decoder)]

Automatically extracted testcase for this bug was committed:

https://hg.mozilla.org/mozilla-central/rev/2e891e0db397