relax key aliases for plain methods - fixes #1649

test/core/fixtures/transformation/es6.classes/relaxed-method-coercion/actual.js

@@ -0,0 +1,6 @@
+// #1649
+
+class Foo {
+  [Symbol()]() {}
+  [Symbol()]() {}
+}

test/core/fixtures/transformation/es6.classes/relaxed-method-coercion/expected.js

@@ -0,0 +1,18 @@
+// #1649
+
+"use strict";
+
+var Foo = (function () {
+  function Foo() {
+    babelHelpers.classCallCheck(this, Foo);
+  }
+
+  babelHelpers.createClass(Foo, [{
+    key: Symbol(),
+    value: function () {}
+  }, {
+    key: Symbol(),
+    value: function () {}
+  }]);
+  return Foo;
+})();