Bug 143962

Summary: CRASH in operationCreateDirectArgumentsDuringExit()
Product: WebKit Reporter: Michael Saboff <msaboff>
Component: JavaScriptCoreAssignee: Filip Pizlo <fpizlo>
Status: RESOLVED FIXED    
Severity: Normal CC: barraclough, benjamin, ggaren, mark.lam, mhahnenb, mmirman, msaboff, nrotem, oliver, saam, sam, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: 528+ (Nightly build)   
Hardware: All   
OS: All   
Attachments:
Description Flags
work in progress
none
the patch ggaren: review+

Michael Saboff
Reported 2015-04-20 13:20:51 PDT
Crash opening mail app on iCloud.com: * thread #1: tid = 0x7d825, 0x00000001144fdb37, queue = 'com.apple.main-thread, stop reason = EXC_BAD_ACCESS (code=1, addre
Attachments
work in progress (9.87 KB, patch)
2015-04-24 14:08 PDT, Filip Pizlo 		no flags
DetailsFormatted DiffDiff
the patch (11.50 KB, patch)
2015-04-24 14:26 PDT, Filip Pizlo 		ggaren: review+
DetailsFormatted DiffDiff
Show Obsolete (1) View All Add attachment proposed patch, testcase, etc.
Radar WebKit Bug Importer
Comment 1 2015-04-20 13:21:25 PDT
<rdar://problem/20621589>
Mark Lam
Comment 2 2015-04-22 14:58:11 PDT
<rdar://problem/20492150>
Filip Pizlo
Comment 3 2015-04-24 14:08:15 PDT
Created attachment 251572 [details] work in progress Roughly, I'm making it so that the OSR exit compiler tracks liveness of constant-like things. This allows for a bunch of simplifications and should fix this bug.
Filip Pizlo
Comment 4 2015-04-24 14:26:20 PDT
Created attachment 251573 [details] the patch
Geoffrey Garen
Comment 5 2015-04-24 15:05:27 PDT
Comment on attachment 251573 [details] the patch r=me
Filip Pizlo
Comment 6 2015-04-25 01:32:49 PDT
Landed in http://trac.webkit.org/changeset/183307
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