Minor. Add more tests

compiler/testData/codegen/box/inlineClasses/kt27096_nullablePrimitiveGeneric.kt

@@ -0,0 +1,32 @@
+// WITH_STDLIB
+// WORKS_WHEN_VALUE_CLASS
+// LANGUAGE: +ValueClasses, +GenericInlineClassParameter
+
+OPTIONAL_JVM_INLINE_ANNOTATION
+value class Z1<T: Int?>(val x: T)
+
+OPTIONAL_JVM_INLINE_ANNOTATION
+value class Z2<T: Z1<Int?>>(val z: T)
+
+OPTIONAL_JVM_INLINE_ANNOTATION
+value class ZN<T: Z1<Int?>?>(val z: T)
+
+fun wrap1(n: Int): Z1<Int?>? = if (n < 0) null else Z1(n)
+fun wrap2(n: Int): Z2<Z1<Int?>>? = if (n < 0) null else Z2(Z1(n))
+fun wrapN(n: Int): ZN<Z1<Int?>?>? = if (n < 0) null else ZN(Z1(n))
+
+fun box(): String {
+    if (wrap1(-1) != null) throw AssertionError()
+    if (wrap1(42) == null) throw AssertionError()
+    if (wrap1(42)!!.x != 42) throw AssertionError()
+
+    if (wrap2(-1) != null) throw AssertionError()
+    if (wrap2(42) == null) throw AssertionError()
+    if (wrap2(42)!!.z.x != 42) throw AssertionError()
+
+    if (wrapN(-1) != null) throw AssertionError()
+    if (wrapN(42) == null) throw AssertionError()
+    if (wrapN(42)!!.z!!.x != 42) throw AssertionError()
+
+    return "OK"
+}