RESOLVED FIXED 180291
Let's scramble ClassInfo pointers in cells. 
https://bugs.webkit.org/show_bug.cgi?id=180291
Summary Let's scramble ClassInfo pointers in cells.
Mark Lam
Reported 2017-12-01 15:32:24 PST
patch coming.
Attachments
proposed patch. (27.35 KB, patch)
2017-12-01 15:40 PST, Mark Lam 		jfbastien: review+
DetailsFormatted DiffDiff
patch for landing + speculative build fix (29.03 KB, patch)
2017-12-01 16:17 PST, Mark Lam 		no flags
DetailsFormatted DiffDiff
x86_64 benchmark result. (8.66 KB, text/plain)
2017-12-01 16:48 PST, Mark Lam 		no flags
Details
Show Obsolete (1) View All Add attachment proposed patch, testcase, etc.
Radar WebKit Bug Importer
Comment 1 2017-12-01 15:32:59 PST
<rdar://problem/35807620>
Mark Lam
Comment 2 2017-12-01 15:40:02 PST
Created attachment 328170 [details] proposed patch.
EWS Watchlist
Comment 3 2017-12-01 15:42:29 PST
Attachment 328170 [details] did not pass style-queue: ERROR: Source/JavaScriptCore/runtime/JSCScrambledPtr.cpp:31: g_classInfoScrambledPtrKey is incorrectly named. Don't use underscores in your identifier names. [readability/naming/underscores] [4] ERROR: Source/JavaScriptCore/runtime/JSCScrambledPtr.cpp:32: g_masmScrambledPtrKey is incorrectly named. Don't use underscores in your identifier names. [readability/naming/underscores] [4] Total errors found: 2 in 19 files If any of these errors are false positives, please file a bug against check-webkit-style.
JF Bastien
Comment 4 2017-12-01 15:49:46 PST
Comment on attachment 328170 [details] proposed patch. r=me
Mark Lam
Comment 5 2017-12-01 16:17:20 PST
Created attachment 328180 [details] patch for landing + speculative build fix
EWS Watchlist
Comment 6 2017-12-01 16:19:30 PST
Attachment 328180 [details] did not pass style-queue: ERROR: Source/JavaScriptCore/runtime/JSCScrambledPtr.cpp:31: g_classInfoScrambledPtrKey is incorrectly named. Don't use underscores in your identifier names. [readability/naming/underscores] [4] ERROR: Source/JavaScriptCore/runtime/JSCScrambledPtr.cpp:32: g_masmScrambledPtrKey is incorrectly named. Don't use underscores in your identifier names. [readability/naming/underscores] [4] Total errors found: 2 in 19 files If any of these errors are false positives, please file a bug against check-webkit-style.
Mark Lam
Comment 7 2017-12-01 16:48:28 PST
Created attachment 328186 [details] x86_64 benchmark result. Perf appears to be neutral.
Mark Lam
Comment 8 2017-12-01 17:13:46 PST
Thanks for the review. Landed in r225437: <http://trac.webkit.org/r225437>.
Note You need to log in before you can comment on or make changes to this bug.