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-rw-r--r--compiler/rustc_session/src/config.rs2
-rw-r--r--compiler/rustc_session/src/options.rs2
2 files changed, 2 insertions, 2 deletions
diff --git a/compiler/rustc_session/src/config.rs b/compiler/rustc_session/src/config.rs
index f6e6fd33c48..d60c56fee75 100644
--- a/compiler/rustc_session/src/config.rs
+++ b/compiler/rustc_session/src/config.rs
@@ -1069,7 +1069,7 @@ impl OutputFilenames {
         self.with_directory_and_extension(&self.out_directory, extension)
     }
 
-    fn with_directory_and_extension(&self, directory: &PathBuf, extension: &str) -> PathBuf {
+    pub fn with_directory_and_extension(&self, directory: &PathBuf, extension: &str) -> PathBuf {
         let mut path = directory.join(&self.filestem);
         path.set_extension(extension);
         path
diff --git a/compiler/rustc_session/src/options.rs b/compiler/rustc_session/src/options.rs
index d94b503de18..cbfe5d22f1d 100644
--- a/compiler/rustc_session/src/options.rs
+++ b/compiler/rustc_session/src/options.rs
@@ -1887,7 +1887,7 @@ options! {
     meta_stats: bool = (false, parse_bool, [UNTRACKED],
         "gather metadata statistics (default: no)"),
     metrics_dir: Option<PathBuf> = (None, parse_opt_pathbuf, [UNTRACKED],
-        "stores metrics about the errors being emitted by rustc to disk"),
+        "the directory metrics emitted by rustc are dumped into (implicitly enables default set of metrics)"),
     mir_emit_retag: bool = (false, parse_bool, [TRACKED],
         "emit Retagging MIR statements, interpreted e.g., by miri; implies -Zmir-opt-level=0 \
         (default: no)"),