Minor. Add more tests

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

@@ -0,0 +1,25 @@
+// WITH_STDLIB
+// WORKS_WHEN_VALUE_CLASS
+// LANGUAGE: +ValueClasses, +GenericInlineClassParameter
+
+OPTIONAL_JVM_INLINE_ANNOTATION
+value class IC<T: Int>(val i: T) {
+    init {
+        counter += i
+    }
+}
+
+var counter = 0
+
+fun <T> id(t: T) = `t`
+
+fun box(): String {
+    val ic = IC(42)
+    if (counter != 42) return "FAIL 1: $counter"
+    counter = 0
+
+    id(ic)
+    if (counter != 0) return "FAIL 2: $counter"
+
+    return "OK"
+}