Add regression tests for obsolete issues

#KT-9304
 #KT-14961
 #KT-16549
 #KT-21080
 #KT-28234
 #KT-30102
 #KT-31994
 #KT-34291
 #KT-38099
 #KT-41174
 #KT-44622
 #KT-44701
 #KT-44781
 #KT-44849
 #KT-44978
 #KT-45081
 #KT-45286
 #KT-45383
 #KT-45444
 #KT-45907

compiler/testData/codegen/box/delegation/kt30102_comparable.kt

@@ -0,0 +1,8 @@
+// IGNORE_BACKEND: JVM
+
+fun box(): String {
+    val a = BooleanWrap(false)
+    return if (a < true) "OK" else "Fail"
+}
+
+class BooleanWrap(private val value: Boolean): Comparable<Boolean> by value