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mir-opt*-level*, not mir-opt

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Langston Barrett 2023-03-16 11:13:36 -04:00 • committed by Michael Goulet
parent c40d443244
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4
src/doc/rustc-dev-guide/src/fuzzing.md
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@ -110,8 +110,8 @@ these tools, post both the complete and minimized test cases. Generally,
When fuzzing rustc, you may want to avoid generating code, since this is mostly
done by LLVM. Try `--emit=mir` instead.
A variety of compiler flags can uncover different issues. `-Zmir-opt=4` will
turn on MIR optimization passes that are not run by default, potentially
A variety of compiler flags can uncover different issues. `-Zmir-opt-level=4`
will turn on MIR optimization passes that are not run by default, potentially
uncovering interesting bugs.
If you're fuzzing a compiler you built, you may want to build it with `-C