Bug 220399

Summary: Fix a dataMemoryTempRegister use violation in FTLLowerDFGToB3's compileLoopHint().
Product: WebKit Reporter: Mark Lam <mark.lam>
Component: JavaScriptCoreAssignee: Mark Lam <mark.lam>
Status: RESOLVED FIXED    
Severity: Normal CC: ews-watchlist, keith_miller, msaboff, saam, tzagallo, webkit-bug-importer, ysuzuki
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   
Attachments:
Description Flags
proposed patch. none

Mark Lam
Reported 2021-01-06 22:30:08 PST
This was tripping an assertion failure on the invalid use of the dataMemoryTempRegister during a Debug build JSC stress test run with DoesGC validation enabled.
Attachments
proposed patch. (1.86 KB, patch)
2021-01-06 22:39 PST, Mark Lam 		no flags
DetailsFormatted DiffDiff
View All Add attachment proposed patch, testcase, etc.
Mark Lam
Comment 1 2021-01-06 22:39:29 PST
Created attachment 417155 [details] proposed patch.
Yusuke Suzuki
Comment 2 2021-01-06 22:44:15 PST
Comment on attachment 417155 [details] proposed patch. r=me
Mark Lam
Comment 3 2021-01-06 23:48:39 PST
Comment on attachment 417155 [details] proposed patch. Thanks for the review. Landing now.
EWS
Comment 4 2021-01-06 23:53:00 PST
Committed r271226: <https://trac.webkit.org/changeset/271226> All reviewed patches have been landed. Closing bug and clearing flags on attachment 417155 [details].
Radar WebKit Bug Importer
Comment 5 2021-01-06 23:53:16 PST
<rdar://problem/72880074>
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