Merge pull request #13191 from Microsoft/fix13157

Aggregate transform flags for ExpressionWithTypeArguments

tests/cases/compiler/jsxInExtendsClause.tsx

@@ -0,0 +1,12 @@
+// @jsx: react
+// https://github.com/Microsoft/TypeScript/issues/13157
+declare namespace React {
+  interface ComponentClass<P> { new (): Component<P, {}>; }
+  class Component<A, B> {}
+}
+declare function createComponentClass<P>(factory: () => React.ComponentClass<P>): React.ComponentClass<P>;
+class Foo extends createComponentClass(() => class extends React.Component<{}, {}> {
+  render() {
+    return <span>Hello, world!</span>;
+  }
+}) {}