tests/cases/conformance/parser/ecmascript5/ErrorRecovery/ParameterLists/parserErrorRecovery_ParameterList4.ts(1,14): error TS1127: Invalid character. ==== tests/cases/conformance/parser/ecmascript5/ErrorRecovery/ParameterLists/parserErrorRecovery_ParameterList4.ts (1 errors) ==== function f(a,#) { !!! error TS1127: Invalid character. }