tests/cases/conformance/es6/spread/main.ts(3,15): error TS2807: This syntax requires an imported helper named '__spreadArray' with 3 parameters, which is not compatible with the one in 'tslib'. Consider upgrading your version of 'tslib'.


==== tests/cases/conformance/es6/spread/main.ts (1 errors) ====
    export {};
    const k = [1, , 2];
    const o = [3, ...k, 4];
                  ~~~~
!!! error TS2807: This syntax requires an imported helper named '__spreadArray' with 3 parameters, which is not compatible with the one in 'tslib'. Consider upgrading your version of 'tslib'.
    
==== tests/cases/conformance/es6/spread/tslib.d.ts (0 errors) ====
    // this is a pre-TS4.4 versions of emit helper, which always forced array packing
    declare module "tslib" {
        function __spreadArray(to: any[], from: any[]): any[];
    }
    