failing test for #733

test/function/export-two-ways-default/_config.js

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+module.exports = {
+	description: 'side-effects are preserved if subject is exported in multiple ways (#733)'
+};

test/function/export-two-ways-default/bar.js

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+import { X } from './x.js'; // import X works
+
+X.prototype.bar = function () {
+	console.log( 'bar' );
+	return this;
+};

test/function/export-two-ways-default/foo.js

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+export function X () {}
+
+X.prototype.foo = function () {
+	console.log( 'foo' );
+	return this;
+};
+
+export default X; // export {X as Y} with corresponding export {Y as X} in x.js works

test/function/export-two-ways-default/main.js

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+import { x } from './x.js';
+import './bar.js';
+
+x().foo().bar();

test/function/export-two-ways-default/x.js

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+export { default as X } from './foo.js'; // export {X} works
+import { X } from './foo.js'; // import X works
+
+export function x () {
+	return new X();
+}