tests/cases/compiler/abstractClassUnionInstantiation.ts(14,1): error TS2511: Cannot create an instance of an abstract class.
tests/cases/compiler/abstractClassUnionInstantiation.ts(15,1): error TS2511: Cannot create an instance of an abstract class.
tests/cases/compiler/abstractClassUnionInstantiation.ts(18,46): error TS2511: Cannot create an instance of an abstract class.
tests/cases/compiler/abstractClassUnionInstantiation.ts(19,46): error TS2511: Cannot create an instance of an abstract class.
tests/cases/compiler/abstractClassUnionInstantiation.ts(21,35): error TS2511: Cannot create an instance of an abstract class.


==== tests/cases/compiler/abstractClassUnionInstantiation.ts (5 errors) ====
    class ConcreteA {}
    class ConcreteB {}
    abstract class AbstractA { a: string; }
    abstract class AbstractB { b: string; }
    
    type Abstracts = typeof AbstractA | typeof AbstractB;
    type Concretes = typeof ConcreteA | typeof ConcreteB;
    type ConcretesOrAbstracts = Concretes | Abstracts;
    
    declare const cls1: ConcretesOrAbstracts;
    declare const cls2: Abstracts;
    declare const cls3: Concretes;
    
    new cls1(); // should error
    ~~~~~~~~~~
!!! error TS2511: Cannot create an instance of an abstract class.
    new cls2(); // should error
    ~~~~~~~~~~
!!! error TS2511: Cannot create an instance of an abstract class.
    new cls3(); // should work
    
    [ConcreteA, AbstractA, AbstractB].map(cls => new cls()); // should error
                                                 ~~~~~~~~~
!!! error TS2511: Cannot create an instance of an abstract class.
    [AbstractA, AbstractB, ConcreteA].map(cls => new cls()); // should error
                                                 ~~~~~~~~~
!!! error TS2511: Cannot create an instance of an abstract class.
    [ConcreteA, ConcreteB].map(cls => new cls()); // should work
    [AbstractA, AbstractB].map(cls => new cls()); // should error
                                      ~~~~~~~~~
!!! error TS2511: Cannot create an instance of an abstract class.