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@ -230,7 +230,7 @@ pub fn expr(&mut self, e: &Expr) -> Option<Constant> {
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ExprKind::Tup(ref tup) => self.multi(tup).map(Constant::Tuple),
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ExprKind::Repeat(ref value, _) => {
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let n = match self.tables.expr_ty(e).sty {
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ty::Array(_, n) => n.assert_usize(self.lcx.tcx).expect("array length"),
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ty::Array(_, n) => n.eval_usize(self.lcx.tcx, self.lcx.param_env),
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_ => span_bug!(e.span, "typeck error"),
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};
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self.expr(value).map(|v| Constant::Repeat(Box::new(v), n))
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@ -94,7 +94,7 @@ fn check_expr(&mut self, cx: &LateContext<'a, 'tcx>, expr: &'tcx Expr) {
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if let Some(range) = higher::range(cx, index) {
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// Ranged indexes, i.e., &x[n..m], &x[n..], &x[..n] and &x[..]
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if let ty::Array(_, s) = ty.sty {
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let size: u128 = s.assert_usize(cx.tcx).unwrap().into();
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let size: u128 = s.eval_usize(cx.tcx, cx.param_env).into();
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let const_range = to_const_range(cx, range, size);
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@ -1253,7 +1253,7 @@ fn is_end_eq_array_len<'tcx>(
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if let ExprKind::Lit(ref lit) = end.node;
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if let ast::LitKind::Int(end_int, _) = lit.node;
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if let ty::Array(_, arr_len_const) = indexed_ty.sty;
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if let Some(arr_len) = arr_len_const.assert_usize(cx.tcx);
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if let Some(arr_len) = arr_len_const.try_eval_usize(cx.tcx, cx.param_env);
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then {
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return match limits {
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ast::RangeLimits::Closed => end_int + 1 >= arr_len.into(),
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@ -1375,7 +1375,7 @@ fn check_for_loop_arg(cx: &LateContext<'_, '_>, pat: &Pat, arg: &Expr, expr: &Ex
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match cx.tables.expr_ty(&args[0]).sty {
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// If the length is greater than 32 no traits are implemented for array and
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// therefore we cannot use `&`.
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ty::Array(_, size) if size.assert_usize(cx.tcx).expect("array size") > 32 => (),
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ty::Array(_, size) if size.eval_usize(cx.tcx, cx.param_env) > 32 => {},
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_ => lint_iter_method(cx, args, arg, method_name),
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};
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} else {
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@ -1988,7 +1988,7 @@ fn is_ref_iterable_type(cx: &LateContext<'_, '_>, e: &Expr) -> bool {
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fn is_iterable_array<'tcx>(ty: Ty<'tcx>, cx: &LateContext<'_, 'tcx>) -> bool {
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// IntoIterator is currently only implemented for array sizes <= 32 in rustc
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match ty.sty {
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ty::Array(_, n) => (0..=32).contains(&n.assert_usize(cx.tcx).expect("array length")),
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ty::Array(_, n) => (0..=32).contains(&n.eval_usize(cx.tcx, cx.param_env)),
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_ => false,
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}
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}
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@ -1825,7 +1825,7 @@ fn may_slice<'a>(cx: &LateContext<'_, 'a>, ty: Ty<'a>) -> bool {
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ty::Slice(_) => true,
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ty::Adt(def, _) if def.is_box() => may_slice(cx, ty.boxed_ty()),
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ty::Adt(..) => match_type(cx, ty, &paths::VEC),
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ty::Array(_, size) => size.assert_usize(cx.tcx).expect("array length") < 32,
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ty::Array(_, size) => size.eval_usize(cx.tcx, cx.param_env) < 32,
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ty::Ref(_, inner, _) => may_slice(cx, inner),
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_ => false,
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}
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