[Webkit-unassigned] [Bug 199845] Hang in WebCore::AccessibilityRenderObject::visiblePositionRangeForLine.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=199845

--- Comment #3 from chris fleizach <cfleizach at apple.com> ---
Comment on attachment 374270
  --> https://bugs.webkit.org/attachment.cgi?id=374270
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=374270&action=review

> Source/WebCore/accessibility/AccessibilityRenderObject.cpp:-1970
> -    if (!lineCount || !m_renderer)

NSNotFound is an apple thing, so this check needs to be in the Mac wrapper. also probably sufficient to check if it’s equals to nsnotfound. I think it’s already uint max so it won’t matter checking higher

> Source/WebCore/accessibility/AccessibilityRenderObject.cpp:1983
> +            || visiblePos.equals(savedVisiblePos))

surprised the == operator doesn’t call .equals directly

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