[Webkit-unassigned] [Bug 187166] New: overwriteCodePoint() in createAndFillGlyphPage() is wrong

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=187166

            Bug ID: 187166
           Summary: overwriteCodePoint() in createAndFillGlyphPage() is
                    wrong
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Text
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: mmaxfield at apple.com
                CC: mmaxfield at apple.com

Shaping inside fonts relies on the correct glyphIDs being used. However, we replace a bunch of glyphs with the zero width space glyph, which fonts won't expect.

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