This will permit calls to still optimize to subclasses of JSFunction that have the correct type (but a different C++ vptr).
Created attachment 108205 [details] Fix No perf impact.
Attachment 108205 [details] did not pass style-queue: Failed to run "['Tools/Scripts/check-webkit-style', '--diff-files', u'Source/JavaScriptCore/ChangeLog', u'Source..." exit_code: 1 Source/JavaScriptCore/runtime/JSObject.h:42: Code inside a namespace should not be indented. [whitespace/indent] [4] Total errors found: 1 in 16 files If any of these errors are false positives, please file a bug against check-webkit-style.
Fixed in r95666