tests/cases/conformance/parser/ecmascript5/RegressionTests/parser618973.ts(1,8): error TS1030: 'export' modifier already seen. tests/cases/conformance/parser/ecmascript5/RegressionTests/parser618973.ts(1,21): error TS1148: Cannot compile modules unless the '--module' flag is provided. ==== tests/cases/conformance/parser/ecmascript5/RegressionTests/parser618973.ts (2 errors) ==== export export class Foo { ~~~~~~ !!! error TS1030: 'export' modifier already seen. ~~~ !!! error TS1148: Cannot compile modules unless the '--module' flag is provided. public Bar() { } }