tests/cases/conformance/parser/ecmascript5/RegressionTests/parser509669.ts(2,17): error TS1005: '=>' expected. ==== tests/cases/conformance/parser/ecmascript5/RegressionTests/parser509669.ts (1 errors) ==== function foo():any { return ():void {}; ~ !!! error TS1005: '=>' expected. }