[Webkit-unassigned] [Bug 247739] New: Faster String::contains() for 8-bit symbols

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=247739

            Bug ID: 247739
           Summary: Faster String::contains() for 8-bit symbols
           Product: WebKit
           Version: Safari Technology Preview
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ahmad.saleem792 at gmail.com

Hi Team,

I cam across one potential performance optimization in Blink, which can be used in Webkit but unfortunately, it does not have any testcase to confirm.

Blink Commit - https://chromium.googlesource.com/chromium/blink/+/c70fbd89e637c6fbd7bfeb17e6f5b2ff2dae6f16

Webkit GitHub Source - https://github.com/WebKit/WebKit/blob/7cbae1c1f4b5ae8a346085fb9e543746d39c9bd8/Source/WTF/wtf/text/WTFString.h#LL166

and

https://github.com/WebKit/WebKit/blob/7cbae1c1f4b5ae8a346085fb9e543746d39c9bd8/Source/WTF/wtf/text/WTFString.h#L145

I can do PR but I don't have any testcase etc. to confirm whether it is good change for Webkit or not. Hence, I am hesitant and would add others to confirm whether we should this change or not.

Thanks!

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