Attachment #100733 for bug #232558




			scope.problemReporter().invalidOperator(this, lhsType, expressionType);
			return null;
		}
		if (operator == PLUS && ((lhsType.isNumericType() || lhsID == T_boolean) && !expressionType.isNumericType())) {
			// <int | boolean> += <String> is illegal
			scope.problemReporter().invalidOperator(this, lhsType, expressionType);
			return null;
				return null;
			} else {
				// <int | boolean> += <String> is illegal
				if ((lhsType.isNumericType() || lhsID == T_boolean) && !expressionType.isNumericType()){
					scope.problemReporter().invalidOperator(this, lhsType, expressionType);
					return null;
				}
			}
		}
		this.lhs.computeConversion(scope, TypeBinding.wellKnownType(scope, (result >>> 16) & 0x0000F), originalLhsType);
		this.expression.computeConversion(scope, TypeBinding.wellKnownType(scope, (result >>> 8) & 0x0000F), originalExpressionType);

Return to bug 232558

Lines 152-169 Link Here

(-)compiler/org/eclipse/jdt/internal/compiler/ast/CompoundAssignment.java (-12 / +4 lines)
152	scope.problemReporter().invalidOperator(this, lhsType, expressionType);	152	scope.problemReporter().invalidOperator(this, lhsType, expressionType);
153	return null;	153	return null;
154	}	154	}
155	if (operator == PLUS){	155	if (operator == PLUS && ((lhsType.isNumericType() \|\| lhsID == T_boolean) && !expressionType.isNumericType())) {
156	if(lhsID == T_JavaLangObject) {	156	// <int \| boolean> += <String> is illegal
157	// <Object> += <String> is illegal (39248)	157	scope.problemReporter().invalidOperator(this, lhsType, expressionType);
158	scope.problemReporter().invalidOperator(this, lhsType, expressionType);	158	return null;
159	return null;
160	} else {
161	// <int \| boolean> += <String> is illegal
162	if ((lhsType.isNumericType() \|\| lhsID == T_boolean) && !expressionType.isNumericType()){
163	scope.problemReporter().invalidOperator(this, lhsType, expressionType);
164	return null;
165	}
166	}
167	}	159	}
168	this.lhs.computeConversion(scope, TypeBinding.wellKnownType(scope, (result >>> 16) & 0x0000F), originalLhsType);	160	this.lhs.computeConversion(scope, TypeBinding.wellKnownType(scope, (result >>> 16) & 0x0000F), originalLhsType);
169	this.expression.computeConversion(scope, TypeBinding.wellKnownType(scope, (result >>> 8) & 0x0000F), originalExpressionType);	161	this.expression.computeConversion(scope, TypeBinding.wellKnownType(scope, (result >>> 8) & 0x0000F), originalExpressionType);