From c0e1191807976548f11f865e40ee5032f6d2862a Mon Sep 17 00:00:00 2001
From: Oli Scherer <github35764891676564198441@oli-obk.de>
Date: Thu, 11 Mar 2021 14:51:09 +0000
Subject: [PATCH] Don't build a ty::Const just to take it apart again

---
 compiler/rustc_mir/src/interpret/intrinsics.rs | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/compiler/rustc_mir/src/interpret/intrinsics.rs b/compiler/rustc_mir/src/interpret/intrinsics.rs
index 25c3c2c632d..9804421c1fc 100644
--- a/compiler/rustc_mir/src/interpret/intrinsics.rs
+++ b/compiler/rustc_mir/src/interpret/intrinsics.rs
@@ -171,8 +171,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> {
                 };
                 let val =
                     self.tcx.const_eval_global_id(self.param_env, gid, Some(self.tcx.span))?;
-                let const_ = ty::Const { val: ty::ConstKind::Value(val), ty };
-                let val = self.const_to_op(&const_, None)?;
+                let val = self.const_val_to_op(val, ty, None)?;
                 self.copy_op(&val, dest)?;
             }