Take into-account -Zremap-path-scope when embedding filenames

compiler/rustc_session/src/config.rs

@@ -24,7 +24,8 @@ use rustc_macros::{Decodable, Encodable, HashStable_Generic};
 use rustc_span::edition::{DEFAULT_EDITION, EDITION_NAME_LIST, Edition, LATEST_STABLE_EDITION};
 use rustc_span::source_map::FilePathMapping;
 use rustc_span::{
-    FileName, FileNameDisplayPreference, RealFileName, SourceFileHashAlgorithm, Symbol, sym,
+    FileName, FileNameDisplayPreference, FileNameEmbeddablePreference, RealFileName,
+    SourceFileHashAlgorithm, Symbol, sym,
 };
 use rustc_target::spec::{
     FramePointer, LinkSelfContainedComponents, LinkerFeatures, SplitDebuginfo, Target, TargetTuple,
@@ -1316,6 +1317,11 @@ fn file_path_mapping(
         } else {
             FileNameDisplayPreference::Local
         },
+        if unstable_opts.remap_path_scope.is_all() {
+            FileNameEmbeddablePreference::RemappedOnly
+        } else {
+            FileNameEmbeddablePreference::LocalAndRemapped
+        },
     )
 }