tests/cases/compiler/collisionSuperAndParameter1.ts(6,23): error TS2401: Duplicate identifier '_super'. Compiler uses '_super' to capture base class reference.
==== tests/cases/compiler/collisionSuperAndParameter1.ts (1 errors) ====
class Foo {
}
class Foo2 extends Foo {
x() {
var lambda = (_super: number) => { // Error
~~~~~~~~~~~~~~
!!! error TS2401: Duplicate identifier '_super'. Compiler uses '_super' to capture base class reference.