[compiler-rt] [ASan] Make __SANITIZER_DISABLE_CONTAINER_OVERFLOW__ bypass definitions return values (PR #188237)

[Dan Blackwell via llvm-commits]

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DanBlackwell wrote:

I agree with the sentiment - I'm not sure how many places are already using this though, and whether they are necessarily returning 1 and not just 'any non-zero' value.

https://github.com/llvm/llvm-project/pull/188237