[Webkit-unassigned] [Bug 138750] [iOS] Crash due to null m_webPageProxyForBackForwardListForCurrentSwipe in ViewGestureController::endSwipeGesture

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=138750

Tim Horton <thorton at apple.com> changed:

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--- Comment #3 from Tim Horton <thorton at apple.com> ---
Comment on attachment 241609
  --> https://bugs.webkit.org/attachment.cgi?id=241609
Add some tracing

View in context: https://bugs.webkit.org/attachment.cgi?id=241609&action=review

> Source/WebKit2/UIProcess/ios/ViewGestureControllerIOS.mm:179
> +    WTFGetBacktrace(stack, &size);

I have long wanted a WTFStringifyBacktrace for reasons similar to this. Maybe we should put this there?

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