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large_const_arrays: Check HIR tree first.

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This commit is contained in:
Jason Newcomb
2024-06-12 22:14:08 -04:00
parent 6b10b4360c
commit 3092c8a5fd
1 changed files with 2 additions and 2 deletions
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clippy_lints/src/large_const_arrays.rs
+2 -2
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@@ -46,12 +46,12 @@ pub fn new(maximum_allowed_size: u128) -> Self {
impl<'tcx> LateLintPass<'tcx> for LargeConstArrays {
fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx Item<'_>) {
if !item.span.from_expansion()
&& let ItemKind::Const(_, generics, _) = &item.kind
if let ItemKind::Const(_, generics, _) = &item.kind
// Since static items may not have generics, skip generic const items.
// FIXME(generic_const_items): I don't think checking `generics.hwcp` suffices as it
// doesn't account for empty where-clauses that only consist of keyword `where` IINM.
&& generics.params.is_empty() && !generics.has_where_clause_predicates
&& !item.span.from_expansion()
&& let ty = cx.tcx.type_of(item.owner_id).instantiate_identity()
&& let ty::Array(element_type, cst) = ty.kind()
&& let ConstKind::Value(_, ty::ValTree::Leaf(element_count)) = cst.kind()