X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=compiler%2Frustc_mir_build%2Fsrc%2Fbuild%2Fexpr%2Fas_constant.rs;h=3549b47478cbded136bc85a399c75439531a12e3;hb=a40124e01c4b10629c78b417a1fe524d929bcbe9;hp=b316a6eeac1ca7e6bee507b919fd342af7edd4e1;hpb=d182081de1ae2fe580c038abd526d85cedafa712;p=rust.git

diff --git a/compiler/rustc_mir_build/src/build/expr/as_constant.rs b/compiler/rustc_mir_build/src/build/expr/as_constant.rs
index b316a6eeac1..3549b47478c 100644
--- a/compiler/rustc_mir_build/src/build/expr/as_constant.rs
+++ b/compiler/rustc_mir_build/src/build/expr/as_constant.rs
@@ -42,10 +42,10 @@ pub(crate) fn as_constant(&mut self, expr: &Expr<'tcx>) -> Constant<'tcx> {
                 Constant { span, user_ty: None, literal }
             }
             ExprKind::NonHirLiteral { lit, ref user_ty } => {
-                let user_ty = user_ty.as_ref().map(|box user_ty| {
+                let user_ty = user_ty.as_ref().map(|user_ty| {
                     this.canonical_user_type_annotations.push(CanonicalUserTypeAnnotation {
                         span,
-                        user_ty: *user_ty,
+                        user_ty: user_ty.clone(),
                         inferred_ty: ty,
                     })
                 });
@@ -54,10 +54,10 @@ pub(crate) fn as_constant(&mut self, expr: &Expr<'tcx>) -> Constant<'tcx> {
                 Constant { span, user_ty: user_ty, literal }
             }
             ExprKind::ZstLiteral { ref user_ty } => {
-                let user_ty = user_ty.as_ref().map(|box user_ty| {
+                let user_ty = user_ty.as_ref().map(|user_ty| {
                     this.canonical_user_type_annotations.push(CanonicalUserTypeAnnotation {
                         span,
-                        user_ty: *user_ty,
+                        user_ty: user_ty.clone(),
                         inferred_ty: ty,
                     })
                 });
@@ -66,10 +66,10 @@ pub(crate) fn as_constant(&mut self, expr: &Expr<'tcx>) -> Constant<'tcx> {
                 Constant { span, user_ty: user_ty, literal }
             }
             ExprKind::NamedConst { def_id, substs, ref user_ty } => {
-                let user_ty = user_ty.as_ref().map(|box user_ty| {
+                let user_ty = user_ty.as_ref().map(|user_ty| {
                     this.canonical_user_type_annotations.push(CanonicalUserTypeAnnotation {
                         span,
-                        user_ty: *user_ty,
+                        user_ty: user_ty.clone(),
                         inferred_ty: ty,
                     })
                 });