==== tests/cases/compiler/constructorsWithSpecializedSignatures.ts (8 errors) ====
    // errors
    declare class C {
        constructor(x: "hi");
        ~~~~~~~~~~~~~~~~~~~~~
!!! Specialized overload signature is not assignable to any non-specialized signature.
        constructor(x: "foo");
        ~~~~~~~~~~~~~~~~~~~~~~
!!! Specialized overload signature is not assignable to any non-specialized signature.
        constructor(x: number);
    }
    
    // ok
    declare class C2 {
        constructor(x: "hi");
        constructor(x: "foo");
        constructor(x: string);
    }
    
    // errors
    class D {
        constructor(x: "hi");
        ~~~~~~~~~~~~~~~~~~~~~
!!! Specialized overload signature is not assignable to any non-specialized signature.
        constructor(x: "foo");
        ~~~~~~~~~~~~~~~~~~~~~~
!!! Specialized overload signature is not assignable to any non-specialized signature.
        constructor(x: number);
        constructor(x: "hi") { }
        ~~~~~~~~~~~~~~~~~~~~~~~~
!!! A signature with an implementation cannot use a string literal type.
    }
    
    // overloads are ok
    class D2 {
        constructor(x: "hi");
        constructor(x: "foo");
        constructor(x: string);
        constructor(x: "hi") { } // error
        ~~~~~~~~~~~~~~~~~~~~~~~~
!!! A signature with an implementation cannot use a string literal type.
    }
    
    // errors
    interface I {
        new (x: "hi");
        ~~~~~~~~~~~~~~
!!! Specialized overload signature is not assignable to any non-specialized signature.
        new (x: "foo");
        ~~~~~~~~~~~~~~~
!!! Specialized overload signature is not assignable to any non-specialized signature.
        new (x: number);
    }
    
    // ok
    interface I2 {
        new (x: "hi");
        new (x: "foo");
        new (x: string);
    }