==== tests/cases/compiler/unicodeIdentifierName2.ts (7 errors) ====
    var a₁ = "hello"; alert(a₁)
         ~
!!! unicodeIdentifierName2.ts(1,6): error TS1001: Unexpected character "₁".
         ~
!!! unicodeIdentifierName2.ts(1,6): error TS1005: ',' expected.
           ~
!!! unicodeIdentifierName2.ts(1,8): error TS1008: Unexpected token; 'identifier' expected.
             ~~~~~~~
!!! unicodeIdentifierName2.ts(1,10): error TS1008: Unexpected token; 'identifier' expected.
                             ~
!!! unicodeIdentifierName2.ts(1,26): error TS1001: Unexpected character "₁".
                             ~
!!! unicodeIdentifierName2.ts(1,26): error TS1005: ',' expected.
                      ~~~~~
!!! unicodeIdentifierName2.ts(1,19): error TS2095: Could not find symbol 'alert'.