native/native.tests/testData/codegen/fileCheck/bridges.kt

// TARGET_BACKEND: NATIVE
// FILECHECK_STAGE: CStubs
// FREE_COMPILER_ARGS: -Xdisable-phases=DCEPhase

interface I1 {
    fun foo(): Int
}

class C1 : I1 {
    override fun foo(): Nothing = TODO()
}
// CHECK-LABEL: define i32 @"kfun:C1#$<bridge-DN>foo(){}kotlin.Nothing(){}kotlin.Int
// CHECK-LABEL: epilogue:

open class Foo2<T>(val x: T)

interface I2 {
    val x: Unit
}

class Bar2 : Foo2<Unit>(Unit), I2
// CHECK-LABEL: define void @"kfun:Bar2#$<bridge-DN><get-x>(){}(){}
// CHECK-LABEL: epilogue:

fun getX2(i: I2) = i.x

interface I3 {
    fun foo(): Nothing
}

open class Foo3<T : Int> {
    fun foo(): T = TODO()
}

class Bar3 : Foo3<Nothing>(), I3
// CHECK-LABEL: define void @"kfun:Bar3#$<bridge-DN>foo(){}kotlin.Nothing(){}kotlin.Nothing
// CHECK-LABEL: epilogue:

// CHECK-LABEL: define ptr @"kfun:#box(){}kotlin.String"
fun box(): String {
    val i1: I1 = C1()
    try {
        println(i1.foo())
    } catch (t: Throwable) { }

    val i2: I2 = Bar2()
    getX2(i2)

    val i3: I3 = Bar3()
    try {
        i3.foo()
    } catch (t: Throwable) { }

    return "OK"
}