Bug 128382

Summary: Update Promises implementation to match latest TC39 consensus
Product: WebKit Reporter: Theresa O'Connor <eoconnor>
Component: JavaScriptCoreAssignee: Nobody <webkit-unassigned>
Status: RESOLVED FIXED    
Severity: Normal CC: ljharb, webkit-bug-importer, ysuzuki
Priority: P2 Keywords: InRadar
Version: 528+ (Nightly build)   
Hardware: Unspecified   
OS: Unspecified   
URL: https://github.com/rwaldron/tc39-notes/blob/master/es6/2014-01/jan-30.md#conclusionresolution-3
Bug Depends on: 136222    
Bug Blocks:    

Description Theresa O'Connor 2014-02-07 10:43:48 PST 
* Promise.cast is renamed to Promise.resolve (remove old Promise.resolve)
* Keep then, reject chain (NOT DEFER, reject!)
* Renaming .cast thus removes over-wrapping (always-wrap) deoptimization in old Promise.resolve
Comment 1 Radar WebKit Bug Importer 2014-02-07 10:44:22 PST 
<rdar://problem/16013392>
Comment 2 Jordan Harband 2015-09-21 13:56:36 PDT 
I believe all of these have been fixed already
Comment 3 Yusuke Suzuki 2015-09-21 16:11:07 PDT 
Yes. This issue is fixed by r186298.