Bug 220399 - Fix a dataMemoryTempRegister use violation in FTLLowerDFGToB3's compileLoopHint().
Summary: Fix a dataMemoryTempRegister use violation in FTLLowerDFGToB3's compileLoopHi...
Status: RESOLVED FIXED
Alias: None
Product: WebKit
Classification: Unclassified
Component: JavaScriptCore (show other bugs)
Version: WebKit Nightly Build
Hardware: Unspecified Unspecified
: P2 Normal
Assignee: Mark Lam
URL:
Keywords: InRadar
Depends on:
Blocks:
 
Reported: 2021-01-06 22:30 PST by Mark Lam
Modified: 2021-01-06 23:53 PST (History)
7 users (show)

See Also:


Attachments
proposed patch. (1.86 KB, patch)
2021-01-06 22:39 PST, Mark Lam
no flags Details | Formatted Diff | Diff

Note You need to log in before you can comment on or make changes to this bug.
Description Mark Lam 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.
Comment 1 Mark Lam 2021-01-06 22:39:29 PST
Created attachment 417155 [details]
proposed patch.
Comment 2 Yusuke Suzuki 2021-01-06 22:44:15 PST
Comment on attachment 417155 [details]
proposed patch.

r=me
Comment 3 Mark Lam 2021-01-06 23:48:39 PST
Comment on attachment 417155 [details]
proposed patch.

Thanks for the review.  Landing now.
Comment 4 EWS 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].
Comment 5 Radar WebKit Bug Importer 2021-01-06 23:53:16 PST
<rdar://problem/72880074>