refactor(es/minifier): Make minify-all profilable (#9888)

**Description:**

I modified it to minify 10 times so I can profile it.

Author: kdy1

crates/swc_ecma_minifier/examples/minify-all.rs

@@ -26,10 +26,11 @@ fn main() {
     let files = expand_dirs(dirs);
     eprintln!("Using {} files", files.len());
 
-    let start = Instant::now();
-    minify_all(files);
-
-    eprintln!("Took {:?}", start.elapsed());
+    for i in 0..10 {
+        let start = Instant::now();
+        minify_all(&files);
+        eprintln!("{}: Took {:?}", i, start.elapsed());
+    }
 }
 
 /// Return the whole input files as abolute path.
@@ -65,11 +66,11 @@ impl Parallel for Worker {
 }
 
 #[inline(never)] // For profiling
-fn minify_all(files: Vec<PathBuf>) {
+fn minify_all(files: &[PathBuf]) {
     GLOBALS.set(&Default::default(), || {
         Worker.maybe_par(2, files, |_, path| {
             testing::run_test(false, |cm, handler| {
-                let fm = cm.load_file(&path).expect("failed to load file");
+                let fm = cm.load_file(path).expect("failed to load file");
 
                 let unresolved_mark = Mark::new();
                 let top_level_mark = Mark::new();

crates/swc_ecma_minifier/src/util/base54.rs

@@ -301,7 +301,7 @@ impl Visit for CharFreqAnalyzer<'_> {
     visit_obj_and_computed!();
 
     fn visit_ident(&mut self, i: &Ident) {
-        if i.sym != "arguments" && i.ctxt == self.unresolved_ctxt {
+        if i.ctxt == self.unresolved_ctxt && i.sym != "arguments" {
             return;
         }