Bug 112187

Summary: Array.prototype.sort should at least try to be PTIME even when the array is in some bizarre mode
Product: WebKit Reporter: Filip Pizlo <fpizlo>
Component: JavaScriptCoreAssignee: Filip Pizlo <fpizlo>
Severity: Normal CC: barraclough, ggaren, mark.lam, mhahnenberg, msaboff, oliver, sam
Priority: P2    
Version: 528+ (Nightly build)   
Hardware: All   
OS: All   
Description Flags
the patch msaboff: review+

Description Filip Pizlo 2013-03-12 14:15:15 PDT
Try this:

var array = [];
array[1000000] = 42;

This program will not run in PTIME.  It will, in fact, likely not terminate in any sensible amount of time.

Patch forthcoming.
Comment 1 Filip Pizlo 2013-03-12 16:11:33 PDT
Created attachment 192831 [details]
the patch
Comment 2 Michael Saboff 2013-03-12 16:34:23 PDT
Comment on attachment 192831 [details]
the patch

View in context: https://bugs.webkit.org/attachment.cgi?id=192831&action=review

Any performance impact?

> Source/JavaScriptCore/ChangeLog:17
> +        (JSC):

Comment 3 Gavin Barraclough 2013-03-12 16:58:40 PDT
Comment on attachment 192831 [details]
the patch

As discussed, new global object please! r is me.
Comment 4 Filip Pizlo 2013-03-12 17:20:17 PDT
Landed in http://trac.webkit.org/changeset/145628