[clang] Sanitizer: Support -fwrapv with -fsanitize=signed-integer-overflow (PR #82432)

[Vitaly Buka via cfe-commits]

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@@ -399,6 +399,9 @@ Moved checkers
 Sanitizers
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+- ``-fsanitize=signed-integer-overflow`` now instruments signed arithmetic even
+  when ``-fwrapv`` is enabled. Previously, only division checks were enabled.
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vitalybuka wrote:

Maybe suggest to add `-fno-sanitize=signed-integer-overflow` with `-fwrapv` if we users does not care about errors.

https://github.com/llvm/llvm-project/pull/82432