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=== tests/cases/compiler/abstractClassUnionInstantiation.ts ===
class ConcreteA {}
>ConcreteA : ConcreteA
class ConcreteB {}
>ConcreteB : ConcreteB
abstract class AbstractA { a: string; }
>AbstractA : AbstractA
>a : string
abstract class AbstractB { b: string; }
>AbstractB : AbstractB
>b : string
type Abstracts = typeof AbstractA | typeof AbstractB;
>Abstracts : typeof AbstractA | typeof AbstractB
>AbstractA : typeof AbstractA
>AbstractB : typeof AbstractB
type Concretes = typeof ConcreteA | typeof ConcreteB;
>Concretes : typeof ConcreteA | typeof ConcreteB
>ConcreteA : typeof ConcreteA
>ConcreteB : typeof ConcreteB
type ConcretesOrAbstracts = Concretes | Abstracts;
>ConcretesOrAbstracts : Abstracts | Concretes
declare const cls1: ConcretesOrAbstracts;
>cls1 : ConcretesOrAbstracts
declare const cls2: Abstracts;
>cls2 : Abstracts
declare const cls3: Concretes;
>cls3 : Concretes
new cls1(); // should error
>new cls1() : any
>cls1 : ConcretesOrAbstracts
new cls2(); // should error
>new cls2() : any
>cls2 : Abstracts
new cls3(); // should work
>new cls3() : ConcreteA | ConcreteB
>cls3 : Concretes
[ConcreteA, AbstractA, AbstractB].map(cls => new cls()); // should error
>[ConcreteA, AbstractA, AbstractB].map(cls => new cls()) : any[]
>[ConcreteA, AbstractA, AbstractB].map : <U>(callbackfn: (value: typeof ConcreteA | typeof AbstractA | typeof AbstractB, index: number, array: (typeof ConcreteA | typeof AbstractA | typeof AbstractB)[]) => U, thisArg?: any) => U[]
>[ConcreteA, AbstractA, AbstractB] : (typeof ConcreteA | typeof AbstractA | typeof AbstractB)[]
>ConcreteA : typeof ConcreteA
>AbstractA : typeof AbstractA
>AbstractB : typeof AbstractB
>map : <U>(callbackfn: (value: typeof ConcreteA | typeof AbstractA | typeof AbstractB, index: number, array: (typeof ConcreteA | typeof AbstractA | typeof AbstractB)[]) => U, thisArg?: any) => U[]
>cls => new cls() : (cls: typeof ConcreteA | typeof AbstractA | typeof AbstractB) => any
>cls : typeof ConcreteA | typeof AbstractA | typeof AbstractB
>new cls() : any
>cls : typeof ConcreteA | typeof AbstractA | typeof AbstractB
[AbstractA, AbstractB, ConcreteA].map(cls => new cls()); // should error
>[AbstractA, AbstractB, ConcreteA].map(cls => new cls()) : any[]
>[AbstractA, AbstractB, ConcreteA].map : <U>(callbackfn: (value: typeof ConcreteA | typeof AbstractA | typeof AbstractB, index: number, array: (typeof ConcreteA | typeof AbstractA | typeof AbstractB)[]) => U, thisArg?: any) => U[]
>[AbstractA, AbstractB, ConcreteA] : (typeof ConcreteA | typeof AbstractA | typeof AbstractB)[]
>AbstractA : typeof AbstractA
>AbstractB : typeof AbstractB
>ConcreteA : typeof ConcreteA
>map : <U>(callbackfn: (value: typeof ConcreteA | typeof AbstractA | typeof AbstractB, index: number, array: (typeof ConcreteA | typeof AbstractA | typeof AbstractB)[]) => U, thisArg?: any) => U[]
>cls => new cls() : (cls: typeof ConcreteA | typeof AbstractA | typeof AbstractB) => any
>cls : typeof ConcreteA | typeof AbstractA | typeof AbstractB
>new cls() : any
>cls : typeof ConcreteA | typeof AbstractA | typeof AbstractB
[ConcreteA, ConcreteB].map(cls => new cls()); // should work
>[ConcreteA, ConcreteB].map(cls => new cls()) : ConcreteA[]
>[ConcreteA, ConcreteB].map : <U>(callbackfn: (value: typeof ConcreteA, index: number, array: (typeof ConcreteA)[]) => U, thisArg?: any) => U[]
>[ConcreteA, ConcreteB] : (typeof ConcreteA)[]
>ConcreteA : typeof ConcreteA
>ConcreteB : typeof ConcreteB
>map : <U>(callbackfn: (value: typeof ConcreteA, index: number, array: (typeof ConcreteA)[]) => U, thisArg?: any) => U[]
>cls => new cls() : (cls: typeof ConcreteA) => ConcreteA
>cls : typeof ConcreteA
>new cls() : ConcreteA
>cls : typeof ConcreteA
[AbstractA, AbstractB].map(cls => new cls()); // should error
>[AbstractA, AbstractB].map(cls => new cls()) : any[]
>[AbstractA, AbstractB].map : <U>(callbackfn: (value: typeof AbstractA | typeof AbstractB, index: number, array: (typeof AbstractA | typeof AbstractB)[]) => U, thisArg?: any) => U[]
>[AbstractA, AbstractB] : (typeof AbstractA | typeof AbstractB)[]
>AbstractA : typeof AbstractA
>AbstractB : typeof AbstractB
>map : <U>(callbackfn: (value: typeof AbstractA | typeof AbstractB, index: number, array: (typeof AbstractA | typeof AbstractB)[]) => U, thisArg?: any) => U[]
>cls => new cls() : (cls: typeof AbstractA | typeof AbstractB) => any
>cls : typeof AbstractA | typeof AbstractB
>new cls() : any
>cls : typeof AbstractA | typeof AbstractB
|
