Ensure that the wildcard interop is used with re-export + default. (#8316)

packages/babel-plugin-transform-modules-commonjs/test/fixtures/interop/export-all/input.js

@@ -0,0 +1,6 @@
+// The fact that this exports both a normal default, and all of the names via
+// re-export is an edge case that is important not to miss. See
+// https://github.com/babel/babel/issues/8306 as an example.
+import _default from 'react';
+export default _default;
+export * from 'react';

packages/babel-plugin-transform-modules-commonjs/test/fixtures/interop/export-all/output.js

@@ -0,0 +1,25 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+var _exportNames = {};
+exports.default = void 0;
+
+var _react = babelHelpers.interopRequireWildcard(require("react"));
+
+Object.keys(_react).forEach(function (key) {
+  if (key === "default" || key === "__esModule") return;
+  if (Object.prototype.hasOwnProperty.call(_exportNames, key)) return;
+  Object.defineProperty(exports, key, {
+    enumerable: true,
+    get: function () {
+      return _react[key];
+    }
+  });
+});
+// The fact that this exports both a normal default, and all of the names via
+// re-export is an edge case that is important not to miss. See
+// https://github.com/babel/babel/issues/8306 as an example.
+var _default2 = _react.default;
+exports.default = _default2;