tests/cases/conformance/expressions/assignmentOperator/compoundArithmeticAssignmentLHSCanBeAssigned.ts(11,7): error TS2531: Object is possibly 'null'.
tests/cases/conformance/expressions/assignmentOperator/compoundArithmeticAssignmentLHSCanBeAssigned.ts(12,7): error TS2532: Object is possibly 'undefined'.
tests/cases/conformance/expressions/assignmentOperator/compoundArithmeticAssignmentLHSCanBeAssigned.ts(18,7): error TS2531: Object is possibly 'null'.
tests/cases/conformance/expressions/assignmentOperator/compoundArithmeticAssignmentLHSCanBeAssigned.ts(19,7): error TS2532: Object is possibly 'undefined'.
tests/cases/conformance/expressions/assignmentOperator/compoundArithmeticAssignmentLHSCanBeAssigned.ts(25,7): error TS2531: Object is possibly 'null'.
tests/cases/conformance/expressions/assignmentOperator/compoundArithmeticAssignmentLHSCanBeAssigned.ts(26,7): error TS2532: Object is possibly 'undefined'.


==== tests/cases/conformance/expressions/assignmentOperator/compoundArithmeticAssignmentLHSCanBeAssigned.ts (6 errors) ====
    enum E { a, b, c }
    
    var a: any;
    var b: number;
    var c: E;
    
    var x1: any;
    x1 *= a;
    x1 *= b;
    x1 *= c;
    x1 *= null;
          ~~~~
!!! error TS2531: Object is possibly 'null'.
    x1 *= undefined;
          ~~~~~~~~~
!!! error TS2532: Object is possibly 'undefined'.
    
    var x2: number;
    x2 *= a;
    x2 *= b;
    x2 *= c;
    x2 *= null;
          ~~~~
!!! error TS2531: Object is possibly 'null'.
    x2 *= undefined;
          ~~~~~~~~~
!!! error TS2532: Object is possibly 'undefined'.
    
    var x3: E;
    x3 *= a;
    x3 *= b;
    x3 *= c;
    x3 *= null;
          ~~~~
!!! error TS2531: Object is possibly 'null'.
    x3 *= undefined;
          ~~~~~~~~~
!!! error TS2532: Object is possibly 'undefined'.