[Webkit-unassigned] [Bug 188460] [CMake] Add ENABLE_UNDEFINED_BEHAVIOR_SANITIZER to make it easier to build with UBSan

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=188460

Fujii Hironori <Hironori.Fujii at sony.com> changed:

           What    |Removed                     |Added
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                 CC|                            |Hironori.Fujii at sony.com

--- Comment #4 from Fujii Hironori <Hironori.Fujii at sony.com> ---
I uploaded the result of UBSan.

https://gist.github.com/fujii/219fd997e13a1d06cfbedb819ef286b1

> ./Tools/Scripts/build-webkit --gtk --release --cmakeargs=-DENABLE_UNDEFINED_BEHAVIOR_SANITIZER=1
> ./Tools/Scripts/run-webkit-tests --gtk --release --no-new-test-results fast/url

Some code is intentionally using undefined behavior.
It seems that you should define ASAN_ENABLED macro.

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