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by CyberRabbi
1958 days ago
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That is not difficult to avoid if you are generating short primitives. You can for the most part just convert the LLVM bitcode that the Rust compiler would output to the equivalent C snippet. Since each snippet is short, you can trivially check if it invokes undefined behavior. LLVM bitcode also can exhibit undefined behavior. |
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Sounds like a good argument to resurrect the LLVM C backend. As it stands, the Rust core team has no desire to implement a C backend, as it would be a ton of work for not much gain.