Fix Clippy

Author: Kobzol

src/bootstrap/src/core/build_steps/compile.rs

@@ -1721,7 +1721,7 @@ impl Step for GccCodegenBackend {
         cargo.arg("--manifest-path").arg(builder.src.join("compiler/rustc_codegen_gcc/Cargo.toml"));
         rustc_cargo_env(builder, &mut cargo, target);
 
-        add_cg_gcc_cargo_flags(&mut cargo, &dylib_set.host_dylib());
+        add_cg_gcc_cargo_flags(&mut cargo, dylib_set.host_dylib());
 
         let _guard =
             builder.msg(Kind::Build, "codegen backend gcc", Mode::Codegen, build_compiler, target);

src/bootstrap/src/core/build_steps/dist.rs

@@ -2857,7 +2857,7 @@ impl Step for Gcc {
     fn run(self, builder: &Builder<'_>) -> Self::Output {
         let tarball = Tarball::new(builder, "gcc", &self.target.triple);
         let output = builder.ensure(super::gcc::Gcc { target: self.target });
-        tarball.add_file(&output.libgccjit(), "lib", FileType::NativeLibrary);
+        tarball.add_file(output.libgccjit(), "lib", FileType::NativeLibrary);
         tarball.generate()
     }