Bug 151560 - Need non costly way to know whether a given pointer is cell and live
Summary: Need non costly way to know whether a given pointer is cell and live
Status: RESOLVED INVALID
Alias: None
Product: WebKit
Classification: Unclassified
Component: JavaScriptCore (show other bugs)
Version: WebKit Nightly Build
Hardware: Unspecified Unspecified
: P2 Normal
Assignee: Yusuke Suzuki
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2015-11-23 02:47 PST by Yusuke Suzuki
Modified: 2015-12-17 03:16 PST (History)
0 users

See Also:

Attachments
Add an attachment (proposed patch, testcase, etc.)

Note You need to log in before you can comment on or make changes to this bug.
Description Yusuke Suzuki 2015-11-23 02:47:39 PST 
In GeneratorFrame save operation, we need to emit a write barrier to live cells.
But C stack may contain any invalid values.
Comment 1 Yusuke Suzuki 2015-12-17 03:16:28 PST 
It's not necessary for ES6 generator anymore.