Files
kotlin-fork/compiler/testData/diagnostics/tests/cast/IsErasedUpcastToNonReified.kt
T
Kirill Rakhman 3bfb0866cb [FIR] Report CANNOT_CHECK_FOR_ERASED independent of reified parameters
This changes the logic so that Foo<T> is reported no matter if T is
reified or not. Even for Array<reified T> to align K2 with K1 logic.

#KT-55903 Fixed
2023-05-02 13:14:47 +00:00

43 lines
1.0 KiB
Kotlin
Vendored

fun <T, S : T> test(x: T?, y: S, z: T) {
x is <!CANNOT_CHECK_FOR_ERASED!>T<!>
<!USELESS_IS_CHECK!>x is T?<!>
<!USELESS_IS_CHECK!>y is T<!>
<!USELESS_IS_CHECK!>y is S<!>
<!USELESS_IS_CHECK!>y is T?<!>
<!USELESS_IS_CHECK!>y is S?<!>
<!USELESS_IS_CHECK!>z is T<!>
<!USELESS_IS_CHECK!>z is T?<!>
null <!UNCHECKED_CAST!>as T<!>
null <!USELESS_CAST!>as T?<!>
null <!UNCHECKED_CAST!>as S<!>
}
class Box<T>
inline fun <reified T> test(x: T?, a: Any) {
x is T
null as T
null <!USELESS_CAST!>as T?<!>
a is T
a as T
a is <!CANNOT_CHECK_FOR_ERASED!>Box<T><!>
a is <!CANNOT_CHECK_FOR_ERASED!>Array<T><!>
a <!UNCHECKED_CAST!>as Box<T><!>
a <!UNCHECKED_CAST!>as Array<T><!>
a is <!CANNOT_CHECK_FOR_ERASED!>Box<List<T>><!>
a is <!CANNOT_CHECK_FOR_ERASED!>Array<List<T>><!>
a <!UNCHECKED_CAST!>as Box<List<T>><!>
a <!UNCHECKED_CAST!>as Array<List<T>><!>
}
fun <T> foo(x: List<T>, y: List<T>?) {
<!USELESS_IS_CHECK!>x is List<T><!>
y is List<T>
}