Added special error for incorrect KClass type in signatures.

compiler/testData/diagnostics/tests/declarationChecks/kClassInSignature.kt

@@ -0,0 +1,23 @@
+// !DIAGNOSTICS: -TYPE_PARAMETER_AS_REIFIED -TYPE_PARAMETER_OF_PROPERTY_NOT_USED_IN_RECEIVER -UNUSED_VARIABLE -UNUSED_PARAMETER
+
+fun <T> <!KCLASS_WITH_NULLABLE_TYPE_PARAMETER_IN_SIGNATURE!>test1<!>() = T::class
+fun <T : Any> test2() = T::class
+
+val <T> <!KCLASS_WITH_NULLABLE_TYPE_PARAMETER_IN_SIGNATURE!>test3<!> = T::class
+val <T> <!KCLASS_WITH_NULLABLE_TYPE_PARAMETER_IN_SIGNATURE!>test4<!> get() = T::class
+
+fun <T> <!KCLASS_WITH_NULLABLE_TYPE_PARAMETER_IN_SIGNATURE!>test5<!>() = listOf(T::class)
+
+fun <T> test6(): kotlin.reflect.KClass<<!UPPER_BOUND_VIOLATED!>T<!>> = T::class
+fun <T> test7(): kotlin.reflect.KClass<*> = T::class
+fun <!KCLASS_WITH_NULLABLE_ARGUMENT_IN_SIGNATURE!>test8<!>() = <!CLASS_LITERAL_LHS_NOT_A_CLASS!>String?::class<!>
+
+fun <T> listOf(e: T): List<T> = null!!
+
+fun <L> locals() {
+    fun <T> test1() = T::class
+    fun <T : Any> test2() = T::class
+
+    val test3 = L::class
+    fun test4() = L::class
+}