Bug 132446

Summary: DFGAbstractInterpreter should not claim Int52 arithmetic creates Int52s
Product: WebKit Reporter: Mark Hahnenberg <mhahnenberg>
Component: JavaScriptCoreAssignee: Filip Pizlo <fpizlo>
Status: RESOLVED FIXED    
Severity: Normal CC: webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: 528+ (Nightly build)   
Hardware: Unspecified   
OS: Unspecified   
Attachments:
Description Flags
IR dump
none
the patch mhahnenberg: review+

Description Mark Hahnenberg 2014-05-01 15:57:10 PDT 
Found while running regress/boolean-test.js. Doesn't repro easily, and only repros with dfg eager mode.
Comment 1 Radar WebKit Bug Importer 2014-05-01 15:57:43 PDT 
<rdar://problem/16788642>
Comment 2 Mark Hahnenberg 2014-05-01 15:58:43 PDT 
Created attachment 230622 [details]
IR dump
Comment 3 Filip Pizlo 2014-05-02 10:06:21 PDT 
Created attachment 230666 [details]
the patch
Comment 4 Mark Hahnenberg 2014-05-02 10:20:17 PDT 
Comment on attachment 230666 [details]
the patch

r=me
Comment 5 Filip Pizlo 2014-05-02 10:24:10 PDT 
Landed in http://trac.webkit.org/changeset/168172