diff --git a/compiler/rustc_codegen_gcc/src/base.rs b/compiler/rustc_codegen_gcc/src/base.rs
index 9b495174a3f..292f0514070 100644
--- a/compiler/rustc_codegen_gcc/src/base.rs
+++ b/compiler/rustc_codegen_gcc/src/base.rs
@@ -223,8 +223,8 @@ pub fn compile_codegen_unit(
             }
 
             // ... and now that we have everything pre-defined, fill out those definitions.
-            for &(mono_item, _) in &mono_items {
-                mono_item.define::<Builder<'_, '_, '_>>(&cx);
+            for &(mono_item, item_data) in &mono_items {
+                mono_item.define::<Builder<'_, '_, '_>>(&cx, item_data);
             }
 
             // If this codegen unit contains the main function, also create the
diff --git a/compiler/rustc_codegen_llvm/src/base.rs b/compiler/rustc_codegen_llvm/src/base.rs
index 6bd27914dbd..4b2f6fe52a3 100644
--- a/compiler/rustc_codegen_llvm/src/base.rs
+++ b/compiler/rustc_codegen_llvm/src/base.rs
@@ -90,8 +90,8 @@ pub(crate) fn compile_codegen_unit(
             }
 
             // ... and now that we have everything pre-defined, fill out those definitions.
-            for &(mono_item, _) in &mono_items {
-                mono_item.define::<Builder<'_, '_, '_>>(&cx);
+            for &(mono_item, item_data) in &mono_items {
+                mono_item.define::<Builder<'_, '_, '_>>(&cx, item_data);
             }
 
             // If this codegen unit contains the main function, also create the
diff --git a/compiler/rustc_codegen_ssa/src/mir/naked_asm.rs b/compiler/rustc_codegen_ssa/src/mir/naked_asm.rs
index f25c9195415..bf82bd75c8c 100644
--- a/compiler/rustc_codegen_ssa/src/mir/naked_asm.rs
+++ b/compiler/rustc_codegen_ssa/src/mir/naked_asm.rs
@@ -1,7 +1,7 @@
 use rustc_abi::{BackendRepr, Float, Integer, Primitive, RegKind};
 use rustc_attr_parsing::InstructionSetAttr;
 use rustc_hir::def_id::DefId;
-use rustc_middle::mir::mono::{Linkage, MonoItem, MonoItemData, Visibility};
+use rustc_middle::mir::mono::{Linkage, MonoItemData, Visibility};
 use rustc_middle::mir::{InlineAsmOperand, START_BLOCK};
 use rustc_middle::ty::layout::{FnAbiOf, LayoutOf, TyAndLayout};
 use rustc_middle::ty::{Instance, Ty, TyCtxt, TypeVisitableExt};
@@ -12,18 +12,18 @@ use rustc_target::spec::{BinaryFormat, WasmCAbi};
 
 use crate::common;
 use crate::mir::AsmCodegenMethods;
-use crate::traits::{GlobalAsmOperandRef, MiscCodegenMethods};
+use crate::traits::GlobalAsmOperandRef;
 
 pub(crate) fn codegen_naked_asm<
     'a,
     'tcx,
     Cx: LayoutOf<'tcx, LayoutOfResult = TyAndLayout<'tcx>>
         + FnAbiOf<'tcx, FnAbiOfResult = &'tcx FnAbi<'tcx, Ty<'tcx>>>
-        + AsmCodegenMethods<'tcx>
-        + MiscCodegenMethods<'tcx>,
+        + AsmCodegenMethods<'tcx>,
 >(
     cx: &'a Cx,
     instance: Instance<'tcx>,
+    item_data: MonoItemData,
 ) {
     assert!(!instance.args.has_infer());
     let mir = cx.tcx().instance_mir(instance.def);
@@ -44,7 +44,6 @@ pub(crate) fn codegen_naked_asm<
     let operands: Vec<_> =
         operands.iter().map(|op| inline_to_global_operand::<Cx>(cx, instance, op)).collect();
 
-    let item_data = cx.codegen_unit().items().get(&MonoItem::Fn(instance)).unwrap();
     let name = cx.mangled_name(instance);
     let fn_abi = cx.fn_abi_of_instance(instance, ty::List::empty());
     let (begin, end) = prefix_and_suffix(cx.tcx(), instance, &name, item_data, fn_abi);
@@ -118,7 +117,7 @@ fn prefix_and_suffix<'tcx>(
     tcx: TyCtxt<'tcx>,
     instance: Instance<'tcx>,
     asm_name: &str,
-    item_data: &MonoItemData,
+    item_data: MonoItemData,
     fn_abi: &FnAbi<'tcx, Ty<'tcx>>,
 ) -> (String, String) {
     use std::fmt::Write;
diff --git a/compiler/rustc_codegen_ssa/src/mono_item.rs b/compiler/rustc_codegen_ssa/src/mono_item.rs
index 57e7b02196e..fd2911abad9 100644
--- a/compiler/rustc_codegen_ssa/src/mono_item.rs
+++ b/compiler/rustc_codegen_ssa/src/mono_item.rs
@@ -1,7 +1,7 @@
 use rustc_hir as hir;
 use rustc_middle::middle::codegen_fn_attrs::CodegenFnAttrFlags;
 use rustc_middle::mir::interpret::ErrorHandled;
-use rustc_middle::mir::mono::{Linkage, MonoItem, Visibility};
+use rustc_middle::mir::mono::{Linkage, MonoItem, MonoItemData, Visibility};
 use rustc_middle::ty::Instance;
 use rustc_middle::ty::layout::{HasTyCtxt, LayoutOf};
 use rustc_middle::{span_bug, ty};
@@ -12,7 +12,7 @@ use crate::traits::*;
 use crate::{base, common};
 
 pub trait MonoItemExt<'a, 'tcx> {
-    fn define<Bx: BuilderMethods<'a, 'tcx>>(&self, cx: &'a Bx::CodegenCx);
+    fn define<Bx: BuilderMethods<'a, 'tcx>>(&self, cx: &'a Bx::CodegenCx, item_data: MonoItemData);
     fn predefine<Bx: BuilderMethods<'a, 'tcx>>(
         &self,
         cx: &'a Bx::CodegenCx,
@@ -23,7 +23,7 @@ pub trait MonoItemExt<'a, 'tcx> {
 }
 
 impl<'a, 'tcx: 'a> MonoItemExt<'a, 'tcx> for MonoItem<'tcx> {
-    fn define<Bx: BuilderMethods<'a, 'tcx>>(&self, cx: &'a Bx::CodegenCx) {
+    fn define<Bx: BuilderMethods<'a, 'tcx>>(&self, cx: &'a Bx::CodegenCx, item_data: MonoItemData) {
         debug!(
             "BEGIN IMPLEMENTING '{} ({})' in cgu {}",
             self,
@@ -106,7 +106,7 @@ impl<'a, 'tcx: 'a> MonoItemExt<'a, 'tcx> for MonoItem<'tcx> {
                     .flags
                     .contains(CodegenFnAttrFlags::NAKED)
                 {
-                    naked_asm::codegen_naked_asm::<Bx::CodegenCx>(cx, instance);
+                    naked_asm::codegen_naked_asm::<Bx::CodegenCx>(cx, instance, item_data);
                 } else {
                     base::codegen_instance::<Bx>(cx, instance);
                 }