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No.

If I was going to run sanitizers with the C++ code, for a fair comparison, I would also run the Rust code with Miri. (C++ sanitizers check unsafe code, but without Miri, rustc mostly checks only safe code.)

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What about the other way around? Trying to cripple rustc until its features are closer to clang's? For example, removing some of the sanitizers or borrow checker in rustc?

That's a great idea! Unfortunately, I think there's no way to disable rustc's borrow checking or other safety features.

Just fwiw you can run rust code with sanitizers, no need for miri, which works differently.

Oh, I did not know this.

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