Add test for 14233

packages/babel-core/package.json

@@ -67,6 +67,7 @@
   "devDependencies": {
     "@babel/helper-transform-fixture-test-runner": "workspace:^",
     "@babel/plugin-transform-modules-commonjs": "workspace:^",
+    "@babel/plugin-transform-runtime": "workspace:^",
     "@types/convert-source-map": "^1.5.1",
     "@types/debug": "^4.1.0",
     "@types/resolve": "^1.3.2",

packages/babel-core/test/external-dependencies.js

@@ -1,6 +1,7 @@
 import path from "path";
 import { fileURLToPath } from "url";
 import { transformSync } from "../lib/index.js";
+import transformRuntime from "@babel/plugin-transform-runtime";
 
 const cwd = path.dirname(fileURLToPath(import.meta.url));
 
@@ -230,4 +231,28 @@ describe("externalDependencies", () => {
       ).not.toThrow();
     });
   });
+
+  describe("regressions", () => {
+    it("#14233", () => {
+      const code = `let a = 1`;
+
+      expect(() => {
+        // TODO: Understand why transform-runtime makes it crash.
+        // Two important reaons are that:
+        //  - It uses api.caller(), so it gets reinstantiated when it changes
+        //  - It extends another plugin that does not need to be reinstantiated
+        // However, a very simple plugin that mets those conditions does not
+        // crash; there is something else going on.
+        transform(code, {
+          plugins: [transformRuntime],
+          caller: { name: "caller-1" },
+        });
+
+        transform(code, {
+          plugins: [transformRuntime],
+          caller: { name: "caller-2" },
+        });
+      }).not.toThrow();
+    });
+  });
 });

yarn.lock

@@ -332,6 +332,7 @@ __metadata:
     "@babel/helpers": "workspace:^"
     "@babel/parser": "workspace:^"
     "@babel/plugin-transform-modules-commonjs": "workspace:^"
+    "@babel/plugin-transform-runtime": "workspace:^"
     "@babel/template": "workspace:^"
     "@babel/traverse": "workspace:^"
     "@babel/types": "workspace:^"