TI: Crash [@ js::types::TypeFailure] involving missing type object jitstats:prototype:new HOTLOOP: int

RESOLVED FIXED

Status

()

Core
JavaScript Engine
--
critical
RESOLVED FIXED
6 years ago
6 years ago

People

(Reporter: gkw, Unassigned)

Tracking

(Blocks: 2 bugs, {crash, regression, testcase})

Trunk
x86
Mac OS X
crash, regression, testcase
Points:
---
Dependency tree / graph

Firefox Tracking Flags

(Not tracked)

Details

(crash signature)

(Reporter)

Description

6 years ago
tracemonkey.HOTLOOP

crashes js debug shell on JM changeset 32e8c937a409 with -m, -a, -j and -n at js::types::TypeFailure with the following message:

[infer failure] Missing type in object jitstats:prototype:new HOTLOOP: int

autoBisect shows this is probably related to the following changeset:

The first bad revision is:
changeset:   68842:c963b24694cd
user:        Brian Hackett
date:        Mon May 09 07:12:47 2011 -0700
summary:     [INFER] Remove on stack recompilation, allow removed on stack JIT frames to rejoin into the interpreter, bug 650163.
We needed a type barrier for getProperty accesses which go through the class getProperty hook.

http://hg.mozilla.org/projects/jaegermonkey/rev/2b272d7fb2e5
Status: NEW → RESOLVED
Last Resolved: 6 years ago
Resolution: --- → FIXED
Crash Signature: [@ js::types::TypeFailure]
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