tests/cases/compiler/duplicateIdentifierEnum_A.ts(2,6): error TS2567: Enum declarations can only merge with namespace or other enum declarations.
tests/cases/compiler/duplicateIdentifierEnum_A.ts(5,7): error TS2567: Enum declarations can only merge with namespace or other enum declarations.
tests/cases/compiler/duplicateIdentifierEnum_A.ts(9,11): error TS2567: Enum declarations can only merge with namespace or other enum declarations.
tests/cases/compiler/duplicateIdentifierEnum_A.ts(12,12): error TS2567: Enum declarations can only merge with namespace or other enum declarations.
tests/cases/compiler/duplicateIdentifierEnum_A.ts(16,12): error TS2567: Enum declarations can only merge with namespace or other enum declarations.
tests/cases/compiler/duplicateIdentifierEnum_A.ts(19,10): error TS2567: Enum declarations can only merge with namespace or other enum declarations.
tests/cases/compiler/duplicateIdentifierEnum_A.ts(23,6): error TS2567: Enum declarations can only merge with namespace or other enum declarations.
tests/cases/compiler/duplicateIdentifierEnum_A.ts(26,7): error TS2567: Enum declarations can only merge with namespace or other enum declarations.
tests/cases/compiler/duplicateIdentifierEnum_B.ts(1,10): error TS2567: Enum declarations can only merge with namespace or other enum declarations.
tests/cases/compiler/duplicateIdentifierEnum_B.ts(4,6): error TS2567: Enum declarations can only merge with namespace or other enum declarations.


==== tests/cases/compiler/duplicateIdentifierEnum_A.ts (8 errors) ====
    // Test the error message when attempting to merge an enum with a class, an interface, or a function.
    enum A {
         ~
!!! error TS2567: Enum declarations can only merge with namespace or other enum declarations.
        bar
    }
    class A {
          ~
!!! error TS2567: Enum declarations can only merge with namespace or other enum declarations.
        foo: number;
    }
    
    interface B {
              ~
!!! error TS2567: Enum declarations can only merge with namespace or other enum declarations.
        foo: number;
    }
    const enum B {
               ~
!!! error TS2567: Enum declarations can only merge with namespace or other enum declarations.
        bar
    }
    
    const enum C {
               ~
!!! error TS2567: Enum declarations can only merge with namespace or other enum declarations.
    
    }
    function C() {
             ~
!!! error TS2567: Enum declarations can only merge with namespace or other enum declarations.
        return 0;
    }
    
    enum D {
         ~
!!! error TS2567: Enum declarations can only merge with namespace or other enum declarations.
!!! related TS6203 tests/cases/compiler/duplicateIdentifierEnum_B.ts:1:10: 'D' was also declared here.
        bar
    }
    class E {
          ~
!!! error TS2567: Enum declarations can only merge with namespace or other enum declarations.
!!! related TS6203 tests/cases/compiler/duplicateIdentifierEnum_B.ts:4:6: 'E' was also declared here.
        foo: number;
    }
    // also make sure the error appears when trying to merge an enum in a separate file.
==== tests/cases/compiler/duplicateIdentifierEnum_B.ts (2 errors) ====
    function D() {
             ~
!!! error TS2567: Enum declarations can only merge with namespace or other enum declarations.
!!! related TS6203 tests/cases/compiler/duplicateIdentifierEnum_A.ts:23:6: 'D' was also declared here.
        return 0;
    }
    enum E {
         ~
!!! error TS2567: Enum declarations can only merge with namespace or other enum declarations.
!!! related TS6203 tests/cases/compiler/duplicateIdentifierEnum_A.ts:26:7: 'E' was also declared here.
        bar
    }