Bug 156611

Summary: AbstractInterpreter should be more knowledgeable about the delete by id operation.
Product: WebKit Reporter: Keith Miller <keith_miller>
Component: JavaScriptCoreAssignee: Nobody <webkit-unassigned>
Status: NEW ---    
Severity: Normal    
Priority: P2    
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   

Description Keith Miller 2016-04-14 16:27:52 PDT
Currently the AbstractInterpreter assumes that delete will clobber the world. It could notice that for the set of structures that can reach the delete node the identifier to delete will be a miss.