[webkit-reviews] review granted: [Bug 194466] [JSC] String.fromCharCode's slow path always generates 16bit string : [Attachment 361577] Patch
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Fri Feb 8 18:58:32 PST 2019
Keith Miller <keith_miller at apple.com> has granted Yusuke Suzuki
<ysuzuki at apple.com>'s request for review:
Bug 194466: [JSC] String.fromCharCode's slow path always generates 16bit string
https://bugs.webkit.org/show_bug.cgi?id=194466
Attachment 361577: Patch
https://bugs.webkit.org/attachment.cgi?id=361577&action=review
--- Comment #2 from Keith Miller <keith_miller at apple.com> ---
Comment on attachment 361577
--> https://bugs.webkit.org/attachment.cgi?id=361577
Patch
View in context: https://bugs.webkit.org/attachment.cgi?id=361577&action=review
r=me with small fix.
> Source/JavaScriptCore/ChangeLog:10
> + and even worse, taints ropes 16bit if 16bit string is included in
the given rope. We find that acorn-wtb
Typo: We find => We found. Or if you want to take more credit: I found.
> Source/JavaScriptCore/ChangeLog:12
> + 16bit string. However, only few strings are actually 16bit strings.
This patch attempts to make 8bit string
Typo: only few => only a few
> Source/JavaScriptCore/runtime/StringConstructor.cpp:91
> + if (UNLIKELY(character & 0xFF00)) {
Can we use or create a named WTF function for this?
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