X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=compiler%2Frustc_trait_selection%2Fsrc%2Ftraits%2Fauto_trait.rs;h=8e04da4f9be2479aa584270611a9607279b495d8;hb=2cd2070af7643ad88d280a4933bc4fb60451e521;hp=88a13f75c7eb1865290a70a72957c09e7ddbe16e;hpb=9a96a6dd8289b612f5b50c9403ffdbb34fe95d48;p=rust.git

diff --git a/compiler/rustc_trait_selection/src/traits/auto_trait.rs b/compiler/rustc_trait_selection/src/traits/auto_trait.rs
index 88a13f75c7e..8e04da4f9be 100644
--- a/compiler/rustc_trait_selection/src/traits/auto_trait.rs
+++ b/compiler/rustc_trait_selection/src/traits/auto_trait.rs
@@ -799,9 +799,7 @@ fn evaluate_nested_obligations(
                                 unevaluated,
                                 Some(obligation.cause.span),
                             ) {
-                                Ok(Some(valtree)) => {
-                                    Ok(ty::Const::from_value(selcx.tcx(), valtree, c.ty()))
-                                }
+                                Ok(Some(valtree)) => Ok(selcx.tcx().mk_const(valtree, c.ty())),
                                 Ok(None) => {
                                     let tcx = self.tcx;
                                     let def_id = unevaluated.def.did;