Update for rust-lang/rust#50536

Fixes #2757
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Christopher Durham 2018-05-14 04:34:11 -04:00 committed by GitHub
parent 491fb01af5
commit 2c2e7f4d5f
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@ -201,7 +201,7 @@ impl<'a, 'tcx> LateLintPass<'a, 'tcx> for NeedlessPassByValue {
if let ty::TypeVariants::TyAdt(def, ..) = ty.sty {
if let Some(span) = cx.tcx.hir.span_if_local(def.did) {
let param_env = ty::ParamEnv::empty();
if param_env.can_type_implement_copy(cx.tcx, ty, span).is_ok() {
if param_env.can_type_implement_copy(cx.tcx, ty).is_ok() {
db.span_help(span, "consider marking this type as Copy");
}
}