use &Path instead of AsRef<Path>

Author: m-ysk

compiler/rustc_metadata/src/rmeta/encoder.rs

@@ -2195,7 +2195,7 @@ impl<D: Decoder> Decodable<D> for EncodedMetadata {
     }
 }
 
-pub fn encode_metadata(tcx: TyCtxt<'_>, path: impl AsRef<Path> + Send) {
+pub fn encode_metadata(tcx: TyCtxt<'_>, path: &Path) {
     let _prof_timer = tcx.prof.verbose_generic_activity("generate_crate_metadata");
 
     // Since encoding metadata is not in a query, and nothing is cached,
@@ -2216,8 +2216,8 @@ pub fn encode_metadata(tcx: TyCtxt<'_>, path: impl AsRef<Path> + Send) {
     );
 }
 
-fn encode_metadata_impl(tcx: TyCtxt<'_>, path: impl AsRef<Path>) {
-    let mut encoder = opaque::FileEncoder::new(path.as_ref())
+fn encode_metadata_impl(tcx: TyCtxt<'_>, path: &Path) {
+    let mut encoder = opaque::FileEncoder::new(path)
         .unwrap_or_else(|err| tcx.sess.fatal(&format!("failed to create file encoder: {}", err)));
     encoder.emit_raw_bytes(METADATA_HEADER);