swc/crates/swc_ecma_parser/tests/tsc/infiniteExpansionThroughInstantiation2.ts

// instantiating a derived type can cause an infinitely expanding type reference to be generated
// which could be used in an assignment check for constraint satisfaction

interface AA<T extends AA<T>> // now an error due to referencing type parameter in constraint
{
    x: T
}

interface BB extends AA<AA<BB>>
{
}