Rollup merge of #65763 - ObsidianMinor:diag/65642, r=varkor

[rust.git] / src / librustc_mir / util / elaborate_drops.rs

diff --git a/src/librustc_mir/util/elaborate_drops.rs b/src/librustc_mir/util/elaborate_drops.rs
index bdbf040276d22eee0df4adcab73e994f1da244fd..f7ba6f1ec6993994d8595ab43d4d44721db210f8 100644 (file)
--- a/src/librustc_mir/util/elaborate_drops.rs
+++ b/src/librustc_mir/util/elaborate_drops.rs
@@ -798,7 +798,7 @@ fn open_drop(&mut self) -> BasicBlock {
             // It effetively only contains upvars until the generator transformation runs.
             // See librustc_body/transform/generator.rs for more details.
             ty::Generator(def_id, substs, _) => {
-                let tys : Vec<_> = substs.upvar_tys(def_id, self.tcx()).collect();
+                let tys : Vec<_> = substs.as_generator().upvar_tys(def_id, self.tcx()).collect();
                 self.open_drop_for_tuple(&tys)
             }
             ty::Tuple(..) => {