Add tests extracted from regressions

compiler/testData/codegen/box/defaultArguments/complexInheritance.kt

@@ -0,0 +1,14 @@
+// IGNORE_BACKEND_FIR: JVM_IR
+// FILE: A.kt
+
+interface A : B
+
+fun box(): String = object : A {}.foo()
+
+// FILE: B.kt
+
+interface Base {
+    fun foo(s: String = "OK"): String = s
+}
+
+interface B : Base

compiler/testData/codegen/box/properties/complexPropertyInitializer.kt

@@ -0,0 +1,12 @@
+// IGNORE_BACKEND_FIR: JVM_IR
+// WITH_RUNTIME
+// KJS_WITH_FULL_RUNTIME
+
+class A {
+    val s: Sequence<String> = sequence {
+        val a = {}
+        yield("OK")
+    }
+}
+
+fun box(): String = A().s.single()

compiler/testData/codegen/box/reflection/lambdaClasses/reflectOnLambdaInArrayConstructor.kt

@@ -0,0 +1,14 @@
+// TARGET_BACKEND: JVM
+// IGNORE_BACKEND_FIR: JVM_IR
+// WITH_RUNTIME
+// WITH_REFLECT
+
+import kotlin.reflect.jvm.*
+import kotlin.test.assertNotNull
+
+fun box(): String {
+    assertNotNull({}.reflect())
+    assertNotNull(Array(1) { {} }.single().reflect())
+
+    return "OK"
+}