tests/cases/compiler/constantEnumAssert.ts(45,20): error TS1355: A 'const' assertions can only be applied to references to enum members, or string, number, boolean, array, or object literals.
tests/cases/compiler/constantEnumAssert.ts(49,20): error TS1355: A 'const' assertions can only be applied to references to enum members, or string, number, boolean, array, or object literals.


==== tests/cases/compiler/constantEnumAssert.ts (2 errors) ====
    enum E1 {
        a,
        b
    }
    
    enum E2 {
        a = 'a',
        b = 'b'
    }
    
    enum E3 {
        a = 1,
        b = a << 1,
        c = a << 2,
    }
    
    const enum E4 {
        a,
        b
    }
    
    const E5 = {
        a: 'a',
        b: 'b'
    }
    
    const foo1 = { a: E1.a }
    
    const foo2 = { a: E2.a }
    
    const foo3 = { a: E1.a } as const
    
    const foo4 = { a: E2.a } as const
    
    const foo5 = { a: E3.a } as const
    
    const foo6 = { a: E4.a } as const
    
    const foo7 = { a: E5.a } as const
    
    const foo8 = { a: E1.a as const }
    
    const foo9 = { a: E2.a as const }
    
    const foo10 = { a: E3.a as const }
                       ~~~~
!!! error TS1355: A 'const' assertions can only be applied to references to enum members, or string, number, boolean, array, or object literals.
    
    const foo11 = { a: E4.a as const }
    
    const foo12 = { a: E5.a as const }
                       ~~~~
!!! error TS1355: A 'const' assertions can only be applied to references to enum members, or string, number, boolean, array, or object literals.
    