[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

Yusuke Suzuki <yusukesuzuki at slowstart.org> changed:

           What    |Removed                     |Added
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                 CC|                            |yusukesuzuki at slowstart.org

--- Comment #11 from Yusuke Suzuki <yusukesuzuki at slowstart.org> ---
I propose adding silence_unsigned_overflow. In JSC, we know the semantics of unsigned overflow, and intentionally use it. While signed overflow is an UB, unsigned is not :)

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