compiler: fold by value

2020-10-24 02:21:18 +02:00
parent 3ec6720bf1
commit 2bf93bd852
140 changed files with 679 additions and 699 deletions
--- a/compiler/rustc_mir/src/dataflow/drop_flag_effects.rs
+++ b/compiler/rustc_mir/src/dataflow/drop_flag_effects.rs
@@ -152,7 +152,7 @@ pub(crate) fn on_all_drop_children_bits<'tcx, F>(
        let ty = place.ty(body, tcx).ty;
        debug!("on_all_drop_children_bits({:?}, {:?} : {:?})", path, place, ty);

-        let erased_ty = tcx.erase_regions(&ty);
+        let erased_ty = tcx.erase_regions(ty);
        if erased_ty.needs_drop(tcx, ctxt.param_env) {
            each_child(child);
        } else {