tests/cases/conformance/parser/ecmascript5/EnumDeclarations/parserEnumDeclaration2.ts(2,3): error TS1038: A 'declare' modifier cannot be used in an already ambient context. ==== tests/cases/conformance/parser/ecmascript5/EnumDeclarations/parserEnumDeclaration2.ts (1 errors) ==== declare module M { declare enum E { ~~~~~~~ !!! error TS1038: A 'declare' modifier cannot be used in an already ambient context. } }