esm: fix support for URL instances in import.meta.resolve

lib/internal/modules/esm/loader.js

@@ -512,6 +512,7 @@ class ModuleLoader {
    * @returns {{ format: string, url: URL['href'] }}
    */
   resolve(originalSpecifier, parentURL, importAttributes) {
+    originalSpecifier = `${originalSpecifier}`;
     if (this.#customizations) {
       return this.#customizations.resolve(originalSpecifier, parentURL, importAttributes);
     }
@@ -530,6 +531,7 @@ class ModuleLoader {
    * `import.meta.resolve` which must happen synchronously.
    */
   resolveSync(originalSpecifier, parentURL, importAttributes) {
+    originalSpecifier = `${originalSpecifier}`;
     if (this.#customizations) {
       return this.#customizations.resolveSync(originalSpecifier, parentURL, importAttributes);
     }

test/es-module/test-esm-import-meta-resolve.mjs

@@ -1,5 +1,5 @@
 // Flags: --experimental-import-meta-resolve
-import '../common/index.mjs';
+import { spawnPromisified } from '../common/index.mjs';
 import assert from 'assert';
 import { spawn } from 'child_process';
 import { execPath } from 'process';
@@ -90,3 +90,20 @@ await assert.rejects(import('data:text/javascript,export default import.meta.res
   cp.stdin.end('import "data:text/javascript,console.log(import.meta.resolve(%22node:os%22))"');
   assert.match((await cp.stdout.toArray()).toString(), /^node:os\r?\n$/);
 }
+
+{
+  const result = await spawnPromisified(execPath, [
+    '--no-warnings',
+    '--input-type=module',
+    '--import', 'data:text/javascript,import{register}from"node:module";register("data:text/javascript,")',
+    '--eval',
+    'console.log(import.meta.resolve(new URL("http://example.com")))',
+  ]);
+
+  assert.deepStrictEqual(result, {
+    code: 0,
+    signal: null,
+    stderr: '',
+    stdout: 'http://example.com/\n',
+  });
+}