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Fix FN in iter_cloned_collect with a large array

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This commit is contained in:
Mateusz Gacek 2021-04-26 13:03:51 -07:00
parent a362a4d1d0
commit d7627dcfc8
4 changed files with 16 additions and 4 deletions
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4
clippy_lints/src/methods/utils.rs
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@ -18,9 +18,7 @@ pub(super) fn derefs_to_slice<'tcx>(
ty::Slice(_) => true,
ty::Adt(def, _) if def.is_box() => may_slice(cx, ty.boxed_ty()),
ty::Adt(..) => is_type_diagnostic_item(cx, ty, sym::vec_type),
ty::Array(_, size) => size
.try_eval_usize(cx.tcx, cx.param_env)
.map_or(false, |size| size < 32),
ty::Array(_, size) => size.try_eval_usize(cx.tcx, cx.param_env).is_some(),
ty::Ref(_, inner, _) => may_slice(cx, inner),
_ => false,
}