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| author | Jim Turner <git@turner.link> | 2021-03-01 16:19:59 -0500 |
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| committer | Jim Turner <git@turner.link> | 2021-03-01 17:13:50 -0500 |
| commit | b45855032b3aad0ea0a48894f56cb9bb8fa361f2 (patch) | |
| tree | 787d01b3aafea6ee0dbb55ede16ef5b75581c48b /compiler/rustc_llvm/llvm-wrapper/CoverageMappingWrapper.cpp | |
| parent | 9278b4c67284db95990673f26934b9d1d5af2e77 (diff) | |
| download | rust-b45855032b3aad0ea0a48894f56cb9bb8fa361f2.tar.gz rust-b45855032b3aad0ea0a48894f56cb9bb8fa361f2.zip | |
Document panicking cases for integer remainder
The panic when the right operand is `0` is expected, but the overflow-related panic (which occurs only for `MIN % -1`) is somewhat surprising for two reasons: a return value of `0` would be reasonable in this case, and, for most arithmetic operations, overflow results in panic only when `debug_assertions` is enabled. As a result, it's helpful to document this behavior.
Diffstat (limited to 'compiler/rustc_llvm/llvm-wrapper/CoverageMappingWrapper.cpp')
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