2 files changed, 9 insertions, 3 deletions
diff --git a/compiler/rustc_codegen_llvm/src/back/lto.rs b/compiler/rustc_codegen_llvm/src/back/lto.rs
index a3b0dc6b6..db297425b 100644
--- a/compiler/rustc_codegen_llvm/src/back/lto.rs
+++ b/compiler/rustc_codegen_llvm/src/back/lto.rs
@@ -19,7 +19,6 @@ use rustc_hir::def_id::LOCAL_CRATE;
 use rustc_middle::bug;
 use rustc_middle::dep_graph::WorkProduct;
 use rustc_middle::middle::exported_symbols::{SymbolExportInfo, SymbolExportLevel};
-use rustc_session::cgu_reuse_tracker::CguReuse;
 use rustc_session::config::{self, CrateType, Lto};
 
 use std::ffi::{CStr, CString};
@@ -585,7 +584,6 @@ fn thin_lto(
                     copy_jobs.push(work_product);
                     info!(" - {}: re-used", module_name);
                     assert!(cgcx.incr_comp_session_dir.is_some());
-                    cgcx.cgu_reuse_tracker.set_actual_reuse(module_name, CguReuse::PostLto);
                     continue;
                 }
             }
diff --git a/compiler/rustc_codegen_llvm/src/back/write.rs b/compiler/rustc_codegen_llvm/src/back/write.rs
index c778a6e01..9d5204034 100644
--- a/compiler/rustc_codegen_llvm/src/back/write.rs
+++ b/compiler/rustc_codegen_llvm/src/back/write.rs
@@ -259,9 +259,17 @@ pub fn target_machine_factory(
     };
     let debuginfo_compression = SmallCStr::new(&debuginfo_compression);
 
+    let should_prefer_remapped_for_split_debuginfo_paths =
+        sess.should_prefer_remapped_for_split_debuginfo_paths();
+
     Arc::new(move |config: TargetMachineFactoryConfig| {
         let path_to_cstring_helper = |path: Option<PathBuf>| -> CString {
-            let path = path_mapping.map_prefix(path.unwrap_or_default()).0;
+            let path = path.unwrap_or_default();
+            let path = if should_prefer_remapped_for_split_debuginfo_paths {
+                path_mapping.map_prefix(path).0
+            } else {
+                path.into()
+            };
             CString::new(path.to_str().unwrap()).unwrap()
         };