destructuring private fields with array pattern / object patte… (#10017)

* destructuring private fields with array pattern / object pattern

* wip: new test cases

* destrucuring and rest for private properties

* test case for loose private-loose

* add transform-desturcturing for exec

* update test case

* remove getPrototypeOf imports from get and set

* wip: destructure super assignment

* throw "Destructuring to a super field is not supported yet."

* fix tests and fix assignment pattern

* remove CallExpression from AssignmentPattern

packages/babel-plugin-transform-classes/test/fixtures/loose/super-destructuring-array-pattern/input.js

@@ -0,0 +1,5 @@
+class Foo {
+  foo(props) {
+    ;([super.client] = props);
+  }
+}

packages/babel-plugin-transform-classes/test/fixtures/loose/super-destructuring-array-pattern/output.js

@@ -0,0 +1,16 @@
+var Foo =
+/*#__PURE__*/
+function () {
+  "use strict";
+
+  function Foo() {}
+
+  var _proto = Foo.prototype;
+
+  _proto.foo = function foo(props) {
+    ;
+    [this.client] = props;
+  };
+
+  return Foo;
+}();