Function getBaseTypesIfUnrelated

test/fixtures/snapshot/typescript.js:79370–79380

(leftType, rightType, isRelated)

            }
        }
        function getBaseTypesIfUnrelated(leftType, rightType, isRelated) {
            var effectiveLeft = leftType;
            var effectiveRight = rightType;
            var leftBase = getBaseTypeOfLiteralType(leftType);
            var rightBase = getBaseTypeOfLiteralType(rightType);
            if (!isRelated(leftBase, rightBase)) {
                effectiveLeft = leftBase;
                effectiveRight = rightBase;
            }
            return [effectiveLeft, effectiveRight];
        }
        function checkYieldExpression(node) {
            addLazyDiagnostic(checkYieldExpressionGrammar);
            var func = ts.getContainingFunction(node);