smeenai added a comment. I'm thinking you could account for all possible type sizes in the existing (enabled by default) warning, and have a different warning for possibly tautological comparisons. E.g. if a `long` is being compared against `INT_MAX`, you know that's only tautological on some platforms, so it should go under `-Wpossible-tautological-constant-compare` (which would only be enabled by `-Weverything` and not `-Wall` or `-Wextra`); `-Wtautological-constant-compare` should be reserved for definitely tautological cases.
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