Fix OOM running acorn optimizer on binaryen_js

[sbc100]

See #24558

[sbc100]

The test expectations here looks like they are due to ; and extra braces:

$ diff -u -w  out/test/a.out.js  new/a.out.js 
--- out/test/a.out.js	2025-06-12 16:43:30.323106773 -0700
+++ new/a.out.js	2025-06-12 16:43:30.319106773 -0700
@@ -21,7 +21,7 @@
     process.argv.slice(2)
   } else if (g || h) {
     try {
-      m = new URL(".", l).href
+      m = (new URL(".", l)).href
     } catch {
     }
     h && (p = a => {
@@ -46,7 +46,7 @@
       var b = await fetch(a, {credentials : "same-origin"});
       if (b.ok)
         return b.arrayBuffer();
-      throw Error(b.status + " : " + b.url)
+      throw Error(b.status + " : " + b.url);
     }
   }
   console.log.bind(console);
@@ -72,7 +72,7 @@
       throw r(`failed to asynchronously prepare wasm: ${d}`),
           a = d, a = "Aborted(" + a + ")", r(a), t = !0,
           a = new WebAssembly.RuntimeError(a + ". Build with -sASSERTIONS for more info."), v?.(a),
-          a
+          a;
     }
   }
   async function D(a) {
@@ -87,10 +87,11 @@
     return C(b, a)
   }
   e._global_val = 1024;
-  var E = {}, F = await (async function() {
+  var E = {},
+      F = await (async function() {
                 y++;
                 var a = {a : E};
-                A ??= e.locateFile ? m + "a.out.wasm" : new URL("a.out.wasm", import.meta.url).href;
+        A ??= e.locateFile ? m + "a.out.wasm" : (new URL("a.out.wasm", import.meta.url)).href;
                 F = (await D(a)).instance.exports;
                 w = F.a;
                 a = w.buffer;
@@ -115,6 +116,7 @@
                         u = a;
                         v = b
                       });
+  ;
   return moduleRtn
 }
 export default Module;