[IR] Add tests for KT-47342

compiler/testData/codegen/box/ir/recursiveGeneric.kt

@@ -0,0 +1,72 @@
+// IGNORE_BACKEND: WASM
+
+open class B<T>
+
+open class BB<T>
+
+interface I<T>
+interface II<T> {
+    fun bar(): String = "OK"
+}
+
+class CC : I<CC>
+
+inline fun <T : I<T>> test0(a: Any): String = (a as? T != null).toString()[0].toString()
+
+class CCC : I<CCC>, II<CCC>, B<CCC>()
+
+inline fun <T> test1(a: Any): String where
+        T : I<T>,
+        T : II<T>,
+        T : B<T> {
+            return (a as? T != null).toString()[1].toString()
+        }
+
+class CCCC : I<CCCC>, II<CCCC>
+
+inline fun <T> test2(a: Any): String where
+        T : I<T>,
+        T : II<T> {
+    return (a as? T != null).toString()[2].toString()
+}
+
+open class BX<T1, T2>
+class CI : I<CI>
+class DB : BX<DB, CI>()
+class CIB : BX<CIB, CI>(), I<CIB>
+
+inline fun <TI: I<TI>, TC : BX<TC, TI>> test3(a: Any): String {
+    val s1 = (a as? TC != null).toString()[3].toString()
+    val s2 = (a as? TI != null).toString()[3].toString()
+    return return s1 + s2
+}
+
+// KT-47342
+
+object O : II<I<Any>>
+
+inline fun <T : I<T>> testKt(): II<T> = O as II<T>
+
+fun foo(a: Any): String = a.toString()
+
+fun box(): String {
+    var result = ""
+
+    result += foo(test0<CC>(Any()))
+    result += foo(test0<CC>(CC()))
+
+    result += foo(test1<CCC>(Any()))
+    result += foo(test1<CCC>(CCC()))
+
+    result += foo(test2<CCCC>(Any()))
+    result += foo(test2<CCCC>(CCCC()))
+
+    result += foo(test3<CI, DB>(Any()))
+    result += foo(test3<CI, DB>(CI()))
+    result += foo(test3<CI, DB>(DB()))
+    result += foo(test3<CI, DB>(CIB()))
+
+    if (result != "ftarlussseesee") return "FAIL: $result"
+
+    return foo(testKt<CC>().bar())
+}

compiler/testData/codegen/box/ir/recursiveGeneric2.kt

@@ -0,0 +1,68 @@
+// IGNORE_BACKEND: WASM
+
+interface A<T1, T2>
+interface B<T>
+interface C<T>
+
+class C1 : A<B<Any>, C<Any>>, B<Any>, C<Any>
+
+class CT1 : A<B<Any>, C<Any>>
+class CK1 : B<Any>
+class CL1 : C<Any>
+class CTK1 : A<B<Any>, C<Any>>, B<Any>
+class CTL1 : A<B<Any>, C<Any>>, C<Any>
+class CKL1 : B<Any>, C<Any>
+class CTKL1 : A<B<Any>, C<Any>>, B<Any>, C<Any>
+
+inline fun <Q: Any, T: A<K, L>, K: B<Q>, L: C<Q>> test1(a: Any): String {
+    val s1 = (a as? T != null).toString()[1].toString()
+    val s2 = (a as? K != null).toString()[1].toString()
+    val s3 = (a as? L != null).toString()[1].toString()
+    return s1 + s2 + s3
+}
+
+class C2 : A<C2, C2>, B<C2>, C<C2>
+
+class CT2 : A<B<CT2>, C<CT2>>
+class CK2 : B<CK2>
+class CL2 : C<CL2>
+class CTK2 : A<B<CTK2>, C<CTK2>>, B<CTK2>
+class CTL2 : A<B<CTL2>, C<CTL2>>, C<CTL2>
+class CKL2 : B<CKL2>, C<CKL2>
+class CTKL2 : A<B<CTKL2>, C<CTKL2>>, B<CTKL2>, C<CTKL2>
+
+inline fun <T: A<K, L>, K: B<T>, L: C<T>> test2(a: Any): String {
+    val s1 = (a as? T != null).toString()[2].toString()
+    val s2 = (a as? K != null).toString()[2].toString()
+    val s3 = (a as? L != null).toString()[2].toString()
+    return s1 + s2 + s3
+}
+
+fun box(): String {
+    var result = ""
+
+    result += test1<Any, C1, B<Any>, C<Any>>(Any())
+    result += test1<Any, C1, B<Any>, C<Any>>(CT1())
+    result += test1<Any, C1, B<Any>, C<Any>>(CK1())
+    result += test1<Any, C1, B<Any>, C<Any>>(CL1())
+    result += test1<Any, C1, B<Any>, C<Any>>(CTK1())
+    result += test1<Any, C1, B<Any>, C<Any>>(CTL1())
+    result += test1<Any, C1, B<Any>, C<Any>>(CKL1())
+    result += test1<Any, C1, B<Any>, C<Any>>(CTKL1())
+
+    if (result != "aaaraaaraaarrrarararrrrr") return "FAIL1: $result"
+    result = ""
+
+    result += test2<C2, C2, C2>(Any())
+    result += test2<C2, C2, C2>(CT2())
+    result += test2<C2, C2, C2>(CK2())
+    result += test2<C2, C2, C2>(CL2())
+    result += test2<C2, C2, C2>(CTK2())
+    result += test2<C2, C2, C2>(CTL2())
+    result += test2<C2, C2, C2>(CKL2())
+    result += test2<C2, C2, C2>(CTKL2())
+
+    if (result != "lllulllullluuulululuuuuu") return "FAIL2: $result"
+
+    return "OK"
+}