Bug 84653

Summary: DFG OSR exit should ensure that all variables have been initialized
Product: WebKit Reporter: Filip Pizlo <fpizlo>
Component: JavaScriptCoreAssignee: Nobody <webkit-unassigned>
Status: RESOLVED FIXED    
Severity: Normal Keywords: InRadar
Priority: P2    
Version: 528+ (Nightly build)   
Hardware: All   
OS: All   
Attachments:
Description Flags
the patch barraclough: review+

Filip Pizlo
Reported 2012-04-23 17:04:55 PDT
If we OSR exit at a point where a variable was not initialized, then we should initialize it, since the baseline JIT critically relies on all variables being initialized. <rdar://problem/11258183>
Attachments
the patch (25.38 KB, patch)
2012-04-23 17:11 PDT, Filip Pizlo 		barraclough: review+
DetailsFormatted DiffDiff
View All Add attachment proposed patch, testcase, etc.
Filip Pizlo
Comment 1 2012-04-23 17:11:31 PDT
Created attachment 138463 [details] the patch
Filip Pizlo
Comment 2 2012-04-23 17:38:18 PDT
Landed in http://trac.webkit.org/changeset/114969
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