Bug 134256 - [ftlopt] StructureAbstractValue::onlyStructure() should return nullptr if isClobbered()
Summary: [ftlopt] StructureAbstractValue::onlyStructure() should return nullptr if isC...
Alias: None
Product: WebKit
Classification: Unclassified
Component: JavaScriptCore (show other bugs)
Version: 528+ (Nightly build)
Hardware: All All
: P2 Normal
Assignee: Filip Pizlo
Depends on:
Reported: 2014-06-24 11:18 PDT by Filip Pizlo
Modified: 2014-06-24 12:07 PDT (History)
7 users (show)

See Also:

the patch (2.13 KB, patch)
2014-06-24 11:20 PDT, Filip Pizlo
msaboff: review+
Details | Formatted Diff | Diff

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Description Filip Pizlo 2014-06-24 11:18:51 PDT
This is a bug, but it's kind of benign right now since none of the optimizations that use onlyStructure() would trigger in regions of code where structures are clobbered.
Comment 1 Filip Pizlo 2014-06-24 11:20:55 PDT
Created attachment 233721 [details]
the patch
Comment 2 Michael Saboff 2014-06-24 11:27:55 PDT
Comment on attachment 233721 [details]
the patch

Comment 3 Filip Pizlo 2014-06-24 12:07:13 PDT
Landed in http://trac.webkit.org/changeset/170376