bjoernager/rust
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fix: check before index into generated patterns

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This commit is contained in:
csmoe 2021-03-12 01:49:27 +08:00
parent 2fd2796aae
commit 77fb6a0f32
8 changed files with 26 additions and 81 deletions
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4
compiler/rustc_mir_build/src/thir/pattern/deconstruct_pat.rs
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@ -1343,7 +1343,9 @@ impl<'p, 'tcx> Fields<'p, 'tcx> {
match &mut fields {
Fields::Vec(pats) => {
for (i, pat) in new_pats {
pats[i] = pat
if let Some(p) = pats.get_mut(i) {
*p = pat;
}
}
}
Fields::Filtered { fields, .. } => {