Retire Options::working_dir in favor SourceMap::working_dir

Author: Urgau

compiler/rustc_session/src/config.rs

@@ -1398,7 +1398,6 @@ impl Default for Options {
             json_unused_externs: JsonUnusedExterns::No,
             json_future_incompat: false,
             pretty: None,
-            working_dir: RealFileName::LocalPath(std::env::current_dir().unwrap()),
             color: ColorConfig::Auto,
             logical_env: FxIndexMap::default(),
             verbose: false,
@@ -2752,13 +2751,6 @@ pub fn build_session_options(early_dcx: &mut EarlyDiagCtxt, matches: &getopts::M
             .collect()
     };
 
-    let working_dir = std::env::current_dir().unwrap_or_else(|e| {
-        early_dcx.early_fatal(format!("Current directory is invalid: {e}"));
-    });
-
-    let file_mapping = file_path_mapping(remap_path_prefix.clone(), &unstable_opts);
-    let working_dir = file_mapping.to_real_filename(&working_dir);
-
     let verbose = matches.opt_present("verbose") || unstable_opts.verbose_internals;
 
     Options {
@@ -2801,7 +2793,6 @@ pub fn build_session_options(early_dcx: &mut EarlyDiagCtxt, matches: &getopts::M
         json_unused_externs,
         json_future_incompat,
         pretty,
-        working_dir,
         color,
         logical_env,
         verbose,

compiler/rustc_session/src/options.rs

@@ -491,8 +491,6 @@ top_level_options!(
 
         pretty: Option<PpMode> [UNTRACKED],
 
-        /// The (potentially remapped) working directory
-        working_dir: RealFileName [TRACKED],
         color: ColorConfig [UNTRACKED],
 
         verbose: bool [TRACKED_NO_CRATE_HASH],