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Store field indices in DeconstructedPat to avoid virtual wildcards

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This commit is contained in:
Nadrieril 2024-02-29 23:34:57 +01:00
parent c1e68860d0
commit 6ae9fa31f0
4 changed files with 102 additions and 84 deletions
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4
compiler/rustc_mir_build/src/thir/pattern/check_match.rs
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@ -917,7 +917,9 @@ fn report_arm_reachability<'p, 'tcx>(
fn pat_is_catchall(pat: &DeconstructedPat<'_, '_>) -> bool {
match pat.ctor() {
Constructor::Wildcard => true,
Constructor::Struct | Constructor::Ref => pat.iter_fields().all(|pat| pat_is_catchall(pat)),
Constructor::Struct | Constructor::Ref => {
pat.iter_fields().all(|ipat| pat_is_catchall(&ipat.pat))
}
_ => false,
}
}