tests/cases/conformance/ambient/ambientEnumDeclaration1.ts(5,5): error TS1066: Ambient enum elements can only have integer literal initializers.
tests/cases/conformance/ambient/ambientEnumDeclaration1.ts(6,5): error TS1066: Ambient enum elements can only have integer literal initializers.
tests/cases/conformance/ambient/ambientEnumDeclaration1.ts(7,5): error TS1066: Ambient enum elements can only have integer literal initializers.
tests/cases/conformance/ambient/ambientEnumDeclaration1.ts(8,5): error TS1066: Ambient enum elements can only have integer literal initializers.


==== tests/cases/conformance/ambient/ambientEnumDeclaration1.ts (4 errors) ====
    // In ambient enum declarations, all values specified in enum member declarations must be classified as constant enum expressions.
    
    declare enum E {
        a = 10,
        b = 10 + 1,
        ~
!!! error TS1066: Ambient enum elements can only have integer literal initializers.
        c = b,
        ~
!!! error TS1066: Ambient enum elements can only have integer literal initializers.
        d = (c) + 1,
        ~
!!! error TS1066: Ambient enum elements can only have integer literal initializers.
        e = 10 << 2 * 8,
        ~
!!! error TS1066: Ambient enum elements can only have integer literal initializers.
    }