tests/cases/conformance/parser/ecmascript5/InterfaceDeclarations/parserInterfaceDeclaration1.ts(1,23): error TS1172: 'extends' clause already seen.
tests/cases/conformance/parser/ecmascript5/InterfaceDeclarations/parserInterfaceDeclaration1.ts(1,21): error TS2304: Cannot find name 'A'.


==== tests/cases/conformance/parser/ecmascript5/InterfaceDeclarations/parserInterfaceDeclaration1.ts (2 errors) ====
    interface I extends A extends B {
                          ~~~~~~~
!!! error TS1172: 'extends' clause already seen.
                        ~
!!! error TS2304: Cannot find name 'A'.
    }