[clang] [llvm] [UBSan] Implement src:*=sanitize for UBSan (PR #140529)

[Vitaly Buka via llvm-commits]

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@@ -78,9 +78,7 @@ For example, supplying the above ``ignorelist.txt`` to
 instrumentation for arithmetic operations containing values of type ``int``.
 
 The ``=sanitize`` category is also supported. Any types assigned to the
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vitalybuka wrote:

type -> entry?

https://github.com/llvm/llvm-project/pull/140529