this before super() is a runtime error, not a static one. (#6467)

* Check that super.* is after super() at runtime

* "missing super() call in constructor" runtime

* "'this' is not allowed before super()" runtime

packages/babel-plugin-transform-classes/test/fixtures/spec/super-reference-before-in-lambda-3/actual.js

@@ -0,0 +1,7 @@
+class Foo extends Bar {
+  constructor() {
+    const t = () => super.test()
+    super();
+    t();
+  }
+}

packages/babel-plugin-transform-classes/test/fixtures/spec/super-reference-before-in-lambda-3/exec.js

@@ -0,0 +1,13 @@
+class Bar {
+  test() {}
+}
+
+class Foo extends Bar {
+  constructor() {
+    const t = () => super.test()
+    super();
+    t();
+  }
+}
+
+new Foo();

packages/babel-plugin-transform-classes/test/fixtures/spec/super-reference-before-in-lambda-3/expected.js

@@ -0,0 +1,19 @@
+var Foo =
+/*#__PURE__*/
+function (_Bar) {
+  babelHelpers.inherits(Foo, _Bar);
+
+  function Foo() {
+    var _this;
+
+    babelHelpers.classCallCheck(this, Foo);
+
+    var t = () => babelHelpers.get(Foo.prototype.__proto__ || Object.getPrototypeOf(Foo.prototype), "test", babelHelpers.assertThisInitialized(_this)).call(_this);
+
+    _this = babelHelpers.possibleConstructorReturn(this, (Foo.__proto__ || Object.getPrototypeOf(Foo)).call(this));
+    t();
+    return _this;
+  }
+
+  return Foo;
+}(Bar);

packages/babel-plugin-transform-classes/test/fixtures/spec/super-reference-before-in-lambda-3/options.json

@@ -0,0 +1,3 @@
+{
+  "plugins": ["external-helpers", "transform-classes", "transform-block-scoping"]
+}