remove some unnecessary lifetimes

compiler/rustc_codegen_ssa/src/back/link.rs

@@ -71,8 +71,8 @@ pub fn ensure_removed(dcx: &DiagCtxt, path: &Path) {
 
 /// Performs the linkage portion of the compilation phase. This will generate all
 /// of the requested outputs for this compilation session.
-pub fn link_binary<'a>(
+pub fn link_binary(
-    sess: &'a Session,
+    sess: &Session,
     archive_builder_builder: &dyn ArchiveBuilderBuilder,
     codegen_results: &CodegenResults,
     outputs: &OutputFilenames,
@@ -464,9 +464,9 @@ fn link_rlib<'a>(
 /// then the CodegenResults value contains one NativeLib instance for each block. However, the
 /// linker appears to expect only a single import library for each library used, so we need to
 /// collate the symbols together by library name before generating the import libraries.
-fn collate_raw_dylibs<'a, 'b>(
+fn collate_raw_dylibs<'a>(
-    sess: &'a Session,
+    sess: &Session,
-    used_libraries: impl IntoIterator<Item = &'b NativeLib>,
+    used_libraries: impl IntoIterator<Item = &'a NativeLib>,
 ) -> Result<Vec<(String, Vec<DllImport>)>, ErrorGuaranteed> {
     // Use index maps to preserve original order of imports and libraries.
     let mut dylib_table = FxIndexMap::<String, FxIndexMap<Symbol, &DllImport>>::default();
@@ -513,8 +513,8 @@ fn collate_raw_dylibs<'a, 'b>(
 ///
 /// There's no need to include metadata in a static archive, so ensure to not link in the metadata
 /// object file (and also don't prepare the archive with a metadata file).
-fn link_staticlib<'a>(
+fn link_staticlib(
-    sess: &'a Session,
+    sess: &Session,
     archive_builder_builder: &dyn ArchiveBuilderBuilder,
     codegen_results: &CodegenResults,
     out_filename: &Path,
@@ -626,11 +626,7 @@ fn link_staticlib<'a>(
 
 /// Use `thorin` (rust implementation of a dwarf packaging utility) to link DWARF objects into a
 /// DWARF package.
-fn link_dwarf_object<'a>(
+fn link_dwarf_object(sess: &Session, cg_results: &CodegenResults, executable_out_filename: &Path) {
-    sess: &'a Session,
-    cg_results: &CodegenResults,
-    executable_out_filename: &Path,
-) {
     let mut dwp_out_filename = executable_out_filename.to_path_buf().into_os_string();
     dwp_out_filename.push(".dwp");
     debug!(?dwp_out_filename, ?executable_out_filename);
@@ -734,8 +730,8 @@ fn link_dwarf_object<'a>(
 ///
 /// This will invoke the system linker/cc to create the resulting file. This links to all upstream
 /// files as well.
-fn link_natively<'a>(
+fn link_natively(
-    sess: &'a Session,
+    sess: &Session,
     archive_builder_builder: &dyn ArchiveBuilderBuilder,
     crate_type: CrateType,
     out_filename: &Path,
@@ -1099,8 +1095,8 @@ fn link_natively<'a>(
     Ok(())
 }
 
-fn strip_symbols_with_external_utility<'a>(
+fn strip_symbols_with_external_utility(
-    sess: &'a Session,
+    sess: &Session,
     util: &str,
     out_filename: &Path,
     option: Option<&str>,
@@ -2108,10 +2104,10 @@ fn add_rpath_args(
 /// to the linking process as a whole.
 /// Order-independent options may still override each other in order-dependent fashion,
 /// e.g `--foo=yes --foo=no` may be equivalent to `--foo=no`.
-fn linker_with_args<'a>(
+fn linker_with_args(
     path: &Path,
     flavor: LinkerFlavor,
-    sess: &'a Session,
+    sess: &Session,
     archive_builder_builder: &dyn ArchiveBuilderBuilder,
     crate_type: CrateType,
     tmpdir: &Path,
@@ -2643,9 +2639,9 @@ fn add_local_native_libraries(
     );
 }
 
-fn add_upstream_rust_crates<'a>(
+fn add_upstream_rust_crates(
     cmd: &mut dyn Linker,
-    sess: &'a Session,
+    sess: &Session,
     archive_builder_builder: &dyn ArchiveBuilderBuilder,
     codegen_results: &CodegenResults,
     crate_type: CrateType,
@@ -2782,7 +2778,7 @@ fn add_upstream_native_libraries(
 // file generated by the MSVC linker. See https://github.com/rust-lang/rust/issues/112586.
 //
 // The returned path will always have `fix_windows_verbatim_for_gcc()` applied to it.
-fn rehome_sysroot_lib_dir<'a>(sess: &'a Session, lib_dir: &Path) -> PathBuf {
+fn rehome_sysroot_lib_dir(sess: &Session, lib_dir: &Path) -> PathBuf {
     let sysroot_lib_path = sess.target_filesearch(PathKind::All).get_lib_path();
     let canonical_sysroot_lib_path =
         { try_canonicalize(&sysroot_lib_path).unwrap_or_else(|_| sysroot_lib_path.clone()) };
@@ -2815,9 +2811,9 @@ fn rehome_sysroot_lib_dir<'a>(sess: &'a Session, lib_dir: &Path) -> PathBuf {
 // Note, however, that if we're not doing LTO we can just pass the rlib
 // blindly to the linker (fast) because it's fine if it's not actually
 // included as we're at the end of the dependency chain.
-fn add_static_crate<'a>(
+fn add_static_crate(
     cmd: &mut dyn Linker,
-    sess: &'a Session,
+    sess: &Session,
     archive_builder_builder: &dyn ArchiveBuilderBuilder,
     codegen_results: &CodegenResults,
     tmpdir: &Path,