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better ObligationCause for normalization errors in can_type_implement_copy

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This commit is contained in:
Michael Goulet 2022-02-06 13:03:28 -08:00
parent e390e6c469
commit 676943a9f9
1 changed files with 1 additions and 1 deletions
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clippy_lints/src/needless_pass_by_value.rs
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@ -199,7 +199,7 @@ impl<'tcx> LateLintPass<'tcx> for NeedlessPassByValue {
let sugg = |diag: &mut DiagnosticBuilder<'_>| {
if let ty::Adt(def, ..) = ty.kind() {
if let Some(span) = cx.tcx.hir().span_if_local(def.did) {
if can_type_implement_copy(cx.tcx, cx.param_env, ty).is_ok() {
if can_type_implement_copy(cx.tcx, cx.param_env, ty, traits::ObligationCause::dummy_with_span(span)).is_ok() {
diag.span_help(span, "consider marking this type as `Copy`");
}
}