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-rw-r--r--src/librustc_codegen_ssa/base.rs8
-rw-r--r--src/librustc_codegen_ssa/traits/backend.rs4
2 files changed, 6 insertions, 6 deletions
diff --git a/src/librustc_codegen_ssa/base.rs b/src/librustc_codegen_ssa/base.rs
index 7aa75f139d2..92f5c39fe5a 100644
--- a/src/librustc_codegen_ssa/base.rs
+++ b/src/librustc_codegen_ssa/base.rs
@@ -551,9 +551,9 @@ pub fn codegen_crate<B: ExtraBackendMethods>(
                                                             &["crate"],
                                                             Some("metadata")).as_str()
                                                                              .to_string();
-    let metadata_llvm_module = backend.new_metadata(tcx, &metadata_cgu_name);
+    let mut metadata_llvm_module = backend.new_metadata(tcx, &metadata_cgu_name);
     let metadata = time(tcx.sess, "write metadata", || {
-        backend.write_metadata(tcx, &metadata_llvm_module)
+        backend.write_metadata(tcx, &mut metadata_llvm_module)
     });
     tcx.sess.profiler(|p| p.end_activity(ProfileCategory::Codegen));
 
@@ -636,9 +636,9 @@ pub fn codegen_crate<B: ExtraBackendMethods>(
                                                        &["crate"],
                                                        Some("allocator")).as_str()
                                                                          .to_string();
-        let modules = backend.new_metadata(tcx, &llmod_id);
+        let mut modules = backend.new_metadata(tcx, &llmod_id);
         time(tcx.sess, "write allocator module", || {
-            backend.codegen_allocator(tcx, &modules, kind)
+            backend.codegen_allocator(tcx, &mut modules, kind)
         });
 
         Some(ModuleCodegen {
diff --git a/src/librustc_codegen_ssa/traits/backend.rs b/src/librustc_codegen_ssa/traits/backend.rs
index 73c7614d913..6f92024ea8a 100644
--- a/src/librustc_codegen_ssa/traits/backend.rs
+++ b/src/librustc_codegen_ssa/traits/backend.rs
@@ -36,9 +36,9 @@ pub trait ExtraBackendMethods: CodegenBackend + WriteBackendMethods + Sized + Se
     fn write_metadata<'b, 'gcx>(
         &self,
         tcx: TyCtxt<'b, 'gcx, 'gcx>,
-        metadata: &Self::Module,
+        metadata: &mut Self::Module,
     ) -> EncodedMetadata;
-    fn codegen_allocator(&self, tcx: TyCtxt, mods: &Self::Module, kind: AllocatorKind);
+    fn codegen_allocator(&self, tcx: TyCtxt, mods: &mut Self::Module, kind: AllocatorKind);
     fn compile_codegen_unit<'a, 'tcx: 'a>(
         &self,
         tcx: TyCtxt<'a, 'tcx, 'tcx>,