Remove rustc_incremental::persist::fs::dep_graph_path_from

Author: pierwill

compiler/rustc_incremental/src/persist/fs.rs

@@ -139,9 +139,6 @@ pub fn dep_graph_path(sess: &Session) -> PathBuf {
 pub fn staging_dep_graph_path(sess: &Session) -> PathBuf {
     in_incr_comp_dir_sess(sess, STAGING_DEP_GRAPH_FILENAME)
 }
-pub fn dep_graph_path_from(incr_comp_session_dir: &Path) -> PathBuf {
-    in_incr_comp_dir(incr_comp_session_dir, DEP_GRAPH_FILENAME)
-}
 
 pub fn work_products_path(sess: &Session) -> PathBuf {
     in_incr_comp_dir_sess(sess, WORK_PRODUCTS_FILENAME)

compiler/rustc_incremental/src/persist/load.rs

@@ -105,7 +105,7 @@ pub fn load_dep_graph(sess: &Session) -> DepGraphFuture {
 
     // Calling `sess.incr_comp_session_dir()` will panic if `sess.opts.incremental.is_none()`.
     // Fortunately, we just checked that this isn't the case.
-    let path = dep_graph_path_from(&sess.incr_comp_session_dir());
+    let path = dep_graph_path(&sess);
     let report_incremental_info = sess.opts.debugging_opts.incremental_info;
     let expected_hash = sess.opts.dep_tracking_hash(false);