conflictingTypeParameterSymbolTransfer.ts(13,16): error TS2304: Cannot find name 'U'.


==== conflictingTypeParameterSymbolTransfer.ts (1 errors) ====
    // @strict
    
    // Via #56620
    class Base<U> { }
    export class C2<T> extends Base<unknown> {
        T: number;
        constructor(T: number) {
            super();
            // Should not error
            this.T = T;
    
            // Should error
            let a: U = null;
                   ~
!!! error TS2304: Cannot find name 'U'.
        }
    }
    
    // via #56689
    class Leg { }
    class Foo<t> extends Leg {
        t = {} as t
    
        // should allow this access since t was declared as a property on Foo
        foo = this.t
    }
    
    // via #56661
    class BaseClass { }
    class Item<data> extends BaseClass {
        data: data;
        getData() {
            // should OK
            return this.data;
        }
    }