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tests/cases/conformance/expressions/assignmentOperator/compoundAdditionAssignmentWithInvalidOperands.ts(6,1): error TS2365: Operator '+=' cannot be applied to types 'boolean' and 'void'.
tests/cases/conformance/expressions/assignmentOperator/compoundAdditionAssignmentWithInvalidOperands.ts(7,1): error TS2365: Operator '+=' cannot be applied to types 'boolean' and 'boolean'.
tests/cases/conformance/expressions/assignmentOperator/compoundAdditionAssignmentWithInvalidOperands.ts(8,1): error TS2365: Operator '+=' cannot be applied to types 'boolean' and 'number'.
tests/cases/conformance/expressions/assignmentOperator/compoundAdditionAssignmentWithInvalidOperands.ts(9,1): error TS2365: Operator '+=' cannot be applied to types 'boolean' and 'E'.
tests/cases/conformance/expressions/assignmentOperator/compoundAdditionAssignmentWithInvalidOperands.ts(10,1): error TS2365: Operator '+=' cannot be applied to types 'boolean' and '{}'.
tests/cases/conformance/expressions/assignmentOperator/compoundAdditionAssignmentWithInvalidOperands.ts(11,1): error TS2365: Operator '+=' cannot be applied to types 'boolean' and 'null'.
tests/cases/conformance/expressions/assignmentOperator/compoundAdditionAssignmentWithInvalidOperands.ts(12,1): error TS2365: Operator '+=' cannot be applied to types 'boolean' and 'undefined'.
tests/cases/conformance/expressions/assignmentOperator/compoundAdditionAssignmentWithInvalidOperands.ts(15,1): error TS2365: Operator '+=' cannot be applied to types '{}' and 'void'.
tests/cases/conformance/expressions/assignmentOperator/compoundAdditionAssignmentWithInvalidOperands.ts(16,1): error TS2365: Operator '+=' cannot be applied to types '{}' and 'boolean'.
tests/cases/conformance/expressions/assignmentOperator/compoundAdditionAssignmentWithInvalidOperands.ts(17,1): error TS2365: Operator '+=' cannot be applied to types '{}' and 'number'.
tests/cases/conformance/expressions/assignmentOperator/compoundAdditionAssignmentWithInvalidOperands.ts(18,1): error TS2365: Operator '+=' cannot be applied to types '{}' and 'E'.
tests/cases/conformance/expressions/assignmentOperator/compoundAdditionAssignmentWithInvalidOperands.ts(19,1): error TS2365: Operator '+=' cannot be applied to types '{}' and '{}'.
tests/cases/conformance/expressions/assignmentOperator/compoundAdditionAssignmentWithInvalidOperands.ts(20,1): error TS2365: Operator '+=' cannot be applied to types '{}' and 'null'.
tests/cases/conformance/expressions/assignmentOperator/compoundAdditionAssignmentWithInvalidOperands.ts(21,1): error TS2365: Operator '+=' cannot be applied to types '{}' and 'undefined'.
tests/cases/conformance/expressions/assignmentOperator/compoundAdditionAssignmentWithInvalidOperands.ts(24,1): error TS2365: Operator '+=' cannot be applied to types 'void' and 'void'.
tests/cases/conformance/expressions/assignmentOperator/compoundAdditionAssignmentWithInvalidOperands.ts(25,1): error TS2365: Operator '+=' cannot be applied to types 'void' and 'boolean'.
tests/cases/conformance/expressions/assignmentOperator/compoundAdditionAssignmentWithInvalidOperands.ts(26,1): error TS2365: Operator '+=' cannot be applied to types 'void' and 'number'.
tests/cases/conformance/expressions/assignmentOperator/compoundAdditionAssignmentWithInvalidOperands.ts(27,1): error TS2365: Operator '+=' cannot be applied to types 'void' and 'E'.
tests/cases/conformance/expressions/assignmentOperator/compoundAdditionAssignmentWithInvalidOperands.ts(28,1): error TS2365: Operator '+=' cannot be applied to types 'void' and '{}'.
tests/cases/conformance/expressions/assignmentOperator/compoundAdditionAssignmentWithInvalidOperands.ts(29,1): error TS2365: Operator '+=' cannot be applied to types 'void' and 'null'.
tests/cases/conformance/expressions/assignmentOperator/compoundAdditionAssignmentWithInvalidOperands.ts(30,1): error TS2365: Operator '+=' cannot be applied to types 'void' and 'undefined'.
tests/cases/conformance/expressions/assignmentOperator/compoundAdditionAssignmentWithInvalidOperands.ts(33,1): error TS2365: Operator '+=' cannot be applied to types 'number' and 'void'.
tests/cases/conformance/expressions/assignmentOperator/compoundAdditionAssignmentWithInvalidOperands.ts(34,1): error TS2365: Operator '+=' cannot be applied to types 'number' and 'boolean'.
tests/cases/conformance/expressions/assignmentOperator/compoundAdditionAssignmentWithInvalidOperands.ts(35,1): error TS2365: Operator '+=' cannot be applied to types 'number' and '{}'.
tests/cases/conformance/expressions/assignmentOperator/compoundAdditionAssignmentWithInvalidOperands.ts(38,1): error TS2365: Operator '+=' cannot be applied to types 'E' and 'void'.
tests/cases/conformance/expressions/assignmentOperator/compoundAdditionAssignmentWithInvalidOperands.ts(39,1): error TS2365: Operator '+=' cannot be applied to types 'E' and 'boolean'.
tests/cases/conformance/expressions/assignmentOperator/compoundAdditionAssignmentWithInvalidOperands.ts(40,1): error TS2365: Operator '+=' cannot be applied to types 'E' and '{}'.
==== tests/cases/conformance/expressions/assignmentOperator/compoundAdditionAssignmentWithInvalidOperands.ts (27 errors) ====
enum E { a, b }
var a: void;
var x1: boolean;
x1 += a;
~~~~~~~
!!! error TS2365: Operator '+=' cannot be applied to types 'boolean' and 'void'.
x1 += true;
~~~~~~~~~~
!!! error TS2365: Operator '+=' cannot be applied to types 'boolean' and 'boolean'.
x1 += 0;
~~~~~~~
!!! error TS2365: Operator '+=' cannot be applied to types 'boolean' and 'number'.
x1 += E.a;
~~~~~~~~~
!!! error TS2365: Operator '+=' cannot be applied to types 'boolean' and 'E'.
x1 += {};
~~~~~~~~
!!! error TS2365: Operator '+=' cannot be applied to types 'boolean' and '{}'.
x1 += null;
~~~~~~~~~~
!!! error TS2365: Operator '+=' cannot be applied to types 'boolean' and 'null'.
x1 += undefined;
~~~~~~~~~~~~~~~
!!! error TS2365: Operator '+=' cannot be applied to types 'boolean' and 'undefined'.
var x2: {};
x2 += a;
~~~~~~~
!!! error TS2365: Operator '+=' cannot be applied to types '{}' and 'void'.
x2 += true;
~~~~~~~~~~
!!! error TS2365: Operator '+=' cannot be applied to types '{}' and 'boolean'.
x2 += 0;
~~~~~~~
!!! error TS2365: Operator '+=' cannot be applied to types '{}' and 'number'.
x2 += E.a;
~~~~~~~~~
!!! error TS2365: Operator '+=' cannot be applied to types '{}' and 'E'.
x2 += {};
~~~~~~~~
!!! error TS2365: Operator '+=' cannot be applied to types '{}' and '{}'.
x2 += null;
~~~~~~~~~~
!!! error TS2365: Operator '+=' cannot be applied to types '{}' and 'null'.
x2 += undefined;
~~~~~~~~~~~~~~~
!!! error TS2365: Operator '+=' cannot be applied to types '{}' and 'undefined'.
var x3: void;
x3 += a;
~~~~~~~
!!! error TS2365: Operator '+=' cannot be applied to types 'void' and 'void'.
x3 += true;
~~~~~~~~~~
!!! error TS2365: Operator '+=' cannot be applied to types 'void' and 'boolean'.
x3 += 0;
~~~~~~~
!!! error TS2365: Operator '+=' cannot be applied to types 'void' and 'number'.
x3 += E.a;
~~~~~~~~~
!!! error TS2365: Operator '+=' cannot be applied to types 'void' and 'E'.
x3 += {};
~~~~~~~~
!!! error TS2365: Operator '+=' cannot be applied to types 'void' and '{}'.
x3 += null;
~~~~~~~~~~
!!! error TS2365: Operator '+=' cannot be applied to types 'void' and 'null'.
x3 += undefined;
~~~~~~~~~~~~~~~
!!! error TS2365: Operator '+=' cannot be applied to types 'void' and 'undefined'.
var x4: number;
x4 += a;
~~~~~~~
!!! error TS2365: Operator '+=' cannot be applied to types 'number' and 'void'.
x4 += true;
~~~~~~~~~~
!!! error TS2365: Operator '+=' cannot be applied to types 'number' and 'boolean'.
x4 += {};
~~~~~~~~
!!! error TS2365: Operator '+=' cannot be applied to types 'number' and '{}'.
var x5: E;
x5 += a;
~~~~~~~
!!! error TS2365: Operator '+=' cannot be applied to types 'E' and 'void'.
x5 += true;
~~~~~~~~~~
!!! error TS2365: Operator '+=' cannot be applied to types 'E' and 'boolean'.
x5 += {};
~~~~~~~~
!!! error TS2365: Operator '+=' cannot be applied to types 'E' and '{}'.
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