tests/cases/conformance/types/typeRelationships/bestCommonType/functionWithMultipleReturnStatements.ts(4,10): error TS2354: No best common type exists among return expressions.
tests/cases/conformance/types/typeRelationships/bestCommonType/functionWithMultipleReturnStatements.ts(12,10): error TS2354: No best common type exists among return expressions.
tests/cases/conformance/types/typeRelationships/bestCommonType/functionWithMultipleReturnStatements.ts(22,10): error TS2354: No best common type exists among return expressions.
tests/cases/conformance/types/typeRelationships/bestCommonType/functionWithMultipleReturnStatements.ts(31,10): error TS2354: No best common type exists among return expressions.
tests/cases/conformance/types/typeRelationships/bestCommonType/functionWithMultipleReturnStatements.ts(43,10): error TS2354: No best common type exists among return expressions.
tests/cases/conformance/types/typeRelationships/bestCommonType/functionWithMultipleReturnStatements.ts(48,10): error TS2354: No best common type exists among return expressions.
tests/cases/conformance/types/typeRelationships/bestCommonType/functionWithMultipleReturnStatements.ts(56,10): error TS2354: No best common type exists among return expressions.
tests/cases/conformance/types/typeRelationships/bestCommonType/functionWithMultipleReturnStatements.ts(56,13): error TS2313: Constraint of a type parameter cannot reference any type parameter from the same type parameter list.
tests/cases/conformance/types/typeRelationships/bestCommonType/functionWithMultipleReturnStatements.ts(56,26): error TS2313: Constraint of a type parameter cannot reference any type parameter from the same type parameter list.


==== tests/cases/conformance/types/typeRelationships/bestCommonType/functionWithMultipleReturnStatements.ts (9 errors) ====
    // return type of a function with multiple returns is the BCT of each return statement
    // it is an error if there is no single BCT, these are error cases
    
    function f1() {
             ~~
!!! error TS2354: No best common type exists among return expressions.
        if (true) {
            return 1;
        } else {
            return '';
        }
    }
    
    function f2() {
             ~~
!!! error TS2354: No best common type exists among return expressions.
        if (true) {
            return 1;
        } else if (false) {
            return 2;
        } else {
            return '';
        }
    }
    
    function f3() {
             ~~
!!! error TS2354: No best common type exists among return expressions.
        try {
            return 1;
        }
        catch (e) {
            return '';
        }
    }
    
    function f4() {
             ~~
!!! error TS2354: No best common type exists among return expressions.
        try {
            return 1;
        }
        catch (e) {
    
        }
        finally {
            return '';
        }
    }
    
    function f5() {
             ~~
!!! error TS2354: No best common type exists among return expressions.
        return 1;
        return '';
    }
    
    function f6<T, U>(x: T, y:U) {
             ~~
!!! error TS2354: No best common type exists among return expressions.
        if (true) {
            return x;
        } else {
            return y;
        }
    }
    
    function f8<T extends U, U extends V, V>(x: T, y: U) {
             ~~
!!! error TS2354: No best common type exists among return expressions.
                ~~~~~~~~~~~
!!! error TS2313: Constraint of a type parameter cannot reference any type parameter from the same type parameter list.
                             ~~~~~~~~~~~
!!! error TS2313: Constraint of a type parameter cannot reference any type parameter from the same type parameter list.
        if (true) {
            return x;
        } else {
            return y;
        }
    }