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fix #115348 fix #115348 It looks that: - In `rustc_mir_build::build`, the body of function will not be built, when the `tcx.check_match(def)` fails due to `non-exhaustive patterns` - In `rustc_mir_transform::check_unsafety`, the `UnsafetyChecker` collects all `used_unsafe_blocks` in the MIR of a function, and the `UnusedUnsafeVisitor` will visit all `UnsafeBlock`s in the HIR and collect `unused_unsafes`, which are not contained in `used_unsafe_blocks`, and report `unnecessary_unsafe`s - So the unsafe block in the issue example code will be reported as `unnecessary_unsafe`. |
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| codegen | ||
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| incremental | ||
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| pretty | ||
| run-coverage | ||
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| rustdoc | ||
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| COMPILER_TESTS.md | ||