tests/cases/conformance/parser/ecmascript5/ModuleDeclarations/parserModuleDeclaration5.ts(3,5): error TS1038: A 'declare' modifier cannot be used in an already ambient context.


==== tests/cases/conformance/parser/ecmascript5/ModuleDeclarations/parserModuleDeclaration5.ts (1 errors) ====
    module M1 {
      declare module M2 {
        declare module M3 {
        ~~~~~~~
!!! error TS1038: A 'declare' modifier cannot be used in an already ambient context.
        }
      }
    }