From 7201c1b95f0f4762d9db0141cb1183e03bab6f1c Mon Sep 17 00:00:00 2001
From: beepster4096 <19316085+beepster4096@users.noreply.github.com>
Date: Wed, 13 Aug 2025 02:09:20 -0700
Subject: [PATCH] remove DerefTemp and CopyFromDeref from runtime mir

---
 src/base.rs | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/src/base.rs b/src/base.rs
index ebf2ccf74de2..a529692c0743 100644
--- a/src/base.rs
+++ b/src/base.rs
@@ -600,11 +600,6 @@ fn codegen_stmt<'tcx>(fx: &mut FunctionCx<'_, '_, 'tcx>, cur_block: Block, stmt:
                     let val = codegen_operand(fx, operand);
                     lval.write_cvalue(fx, val);
                 }
-                Rvalue::CopyForDeref(place) => {
-                    let cplace = codegen_place(fx, place);
-                    let val = cplace.to_cvalue(fx);
-                    lval.write_cvalue(fx, val)
-                }
                 Rvalue::Ref(_, _, place) | Rvalue::RawPtr(_, place) => {
                     let place = codegen_place(fx, place);
                     let ref_ = place.place_ref(fx, lval.layout());
@@ -928,6 +923,7 @@ fn is_wide_ptr<'tcx>(fx: &FunctionCx<'_, '_, 'tcx>, ty: Ty<'tcx>) -> bool {
                     let operand = codegen_operand(fx, operand);
                     lval.write_cvalue_transmute(fx, operand);
                 }
+                Rvalue::CopyForDeref(_) => bug!("`CopyForDeref` in codegen"),
             }
         }
         StatementKind::StorageLive(_)