Test for obsolete KT-26360

#KT-26360

compiler/testData/codegen/box/jvm8/defaults/26360.kt

@@ -0,0 +1,20 @@
+// !JVM_TARGET: 1.8
+// !JVM_DEFAULT_MODE: enable
+// WITH_RUNTIME
+// TARGET_BACKEND: JVM
+interface Base {
+    fun value(): String
+}
+
+interface SubA : Base
+
+interface SubB : Base {
+    @JvmDefault
+    override fun value(): String = "OK"
+}
+
+interface SubAB : SubA, SubB
+
+fun box(): String {
+    return object : SubAB {}.value()
+}