8f9ccc5d1b
Fix overflows in the implementation of `overflowing_literals` lint's help This PR fixes two overflow problems that cause the `overflowing_literals` lint to behave incorrectly in some edge cases. 1. When an integer literal is between `i128::MAX` and `u128::MAX`, an overflowing `as` cast can cause the suggested type to be overly small. It's fixed by using checked type conversion and returning `u128` when it's the only choice. (Fixes #135248) 2. When an integer literal is `i128::MIN` but is of a smaller type, an overflowing negation cause the compiler to panic in debug build. Fixed by checking the number size beforehand and `wrapping_neg`. (Fixes #131849) Edit: extracted the type conversion part into a standalone function to separate the concern of overflowing. |
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