azalea/kotlin-fork
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

FIR checker: differentiate UNSAFE_CALL from INAPPLICABLE_CANDIDATE

Browse Source 
To do so, inside the root cause of inapplicable candidate errors,
we will record expected/actual type of receiver, if any.
That will help identifying inapplicable calls on nullable receiver.
This commit is contained in:
Jinseong Jeon
2021-01-26 16:03:27 -08:00
committed by Mikhail Glukhikh
parent 4b823eca21
commit e72ddbcbfe
275 changed files with 1426 additions and 1388 deletions
Download Patch File Download Diff File Expand all files Collapse all files
compiler/tests-spec/testData/diagnostics/notLinked/dfa/pos/17.fir.kt
Vendored
+30 -30
View File
@@ -49,13 +49,13 @@ fun case_4(x: Number?) {
fun case_5(x: Char?, y: Nothing?) {
if (x != y) else throw Exception()
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Char?")!>x<!>
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Char?")!>x<!>.<!INAPPLICABLE_CANDIDATE!>equals<!>(null)
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Char?")!>x<!>.<!UNSAFE_CALL!>equals<!>(null)
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Char?")!>x<!>.propT
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Char?")!>x<!>.<!INAPPLICABLE_CANDIDATE!>propAny<!>
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Char?")!>x<!>.<!UNSAFE_CALL!>propAny<!>
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Char?")!>x<!>.propNullableT
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Char?")!>x<!>.propNullableAny
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Char?")!>x<!>.funT()
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Char?")!>x<!>.<!INAPPLICABLE_CANDIDATE!>funAny<!>()
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Char?")!>x<!>.<!UNSAFE_CALL!>funAny<!>()
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Char?")!>x<!>.funNullableT()
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Char?")!>x<!>.funNullableAny()
}
@@ -64,13 +64,13 @@ fun case_5(x: Char?, y: Nothing?) {
fun case_6(x: Object?) {
if (x !== implicitNullableNothingProperty) else { throw Exception() }
<!DEBUG_INFO_EXPRESSION_TYPE("Object?")!>x<!>
<!DEBUG_INFO_EXPRESSION_TYPE("Object?")!>x<!>.<!INAPPLICABLE_CANDIDATE!>equals<!>(null)
<!DEBUG_INFO_EXPRESSION_TYPE("Object?")!>x<!>.<!UNSAFE_CALL!>equals<!>(null)
<!DEBUG_INFO_EXPRESSION_TYPE("Object?")!>x<!>.propT
<!DEBUG_INFO_EXPRESSION_TYPE("Object?")!>x<!>.<!INAPPLICABLE_CANDIDATE!>propAny<!>
<!DEBUG_INFO_EXPRESSION_TYPE("Object?")!>x<!>.<!UNSAFE_CALL!>propAny<!>
<!DEBUG_INFO_EXPRESSION_TYPE("Object?")!>x<!>.propNullableT
<!DEBUG_INFO_EXPRESSION_TYPE("Object?")!>x<!>.propNullableAny
<!DEBUG_INFO_EXPRESSION_TYPE("Object?")!>x<!>.funT()
<!DEBUG_INFO_EXPRESSION_TYPE("Object?")!>x<!>.<!INAPPLICABLE_CANDIDATE!>funAny<!>()
<!DEBUG_INFO_EXPRESSION_TYPE("Object?")!>x<!>.<!UNSAFE_CALL!>funAny<!>()
<!DEBUG_INFO_EXPRESSION_TYPE("Object?")!>x<!>.funNullableT()
<!DEBUG_INFO_EXPRESSION_TYPE("Object?")!>x<!>.funNullableAny()
}
@@ -79,13 +79,13 @@ fun case_6(x: Object?) {
fun case_7(x: Class?) {
if (x === implicitNullableNothingProperty || false || false || false) { throw Exception() }
<!DEBUG_INFO_EXPRESSION_TYPE("Class?")!>x<!>
<!DEBUG_INFO_EXPRESSION_TYPE("Class?")!>x<!>.<!INAPPLICABLE_CANDIDATE!>equals<!>(null)
<!DEBUG_INFO_EXPRESSION_TYPE("Class?")!>x<!>.<!UNSAFE_CALL!>equals<!>(null)
<!DEBUG_INFO_EXPRESSION_TYPE("Class?")!>x<!>.propT
<!DEBUG_INFO_EXPRESSION_TYPE("Class?")!>x<!>.<!INAPPLICABLE_CANDIDATE!>propAny<!>
<!DEBUG_INFO_EXPRESSION_TYPE("Class?")!>x<!>.<!UNSAFE_CALL!>propAny<!>
<!DEBUG_INFO_EXPRESSION_TYPE("Class?")!>x<!>.propNullableT
<!DEBUG_INFO_EXPRESSION_TYPE("Class?")!>x<!>.propNullableAny
<!DEBUG_INFO_EXPRESSION_TYPE("Class?")!>x<!>.funT()
<!DEBUG_INFO_EXPRESSION_TYPE("Class?")!>x<!>.<!INAPPLICABLE_CANDIDATE!>funAny<!>()
<!DEBUG_INFO_EXPRESSION_TYPE("Class?")!>x<!>.<!UNSAFE_CALL!>funAny<!>()
<!DEBUG_INFO_EXPRESSION_TYPE("Class?")!>x<!>.funNullableT()
<!DEBUG_INFO_EXPRESSION_TYPE("Class?")!>x<!>.funNullableAny()
}
@@ -94,7 +94,7 @@ fun case_7(x: Class?) {
fun case_8(x: Int?) {
if (false || false || false || x == nullableNothingProperty) throw Exception()
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Int?")!>x<!>
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Int?")!>x<!>.<!INAPPLICABLE_CANDIDATE!>inv<!>()
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Int?")!>x<!>.<!UNSAFE_CALL!>inv<!>()
}
// TESTCASE NUMBER: 9
@@ -103,11 +103,11 @@ fun case_9(x: String?) {
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.String?")!>x<!>
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.String?")!>x<!>.equals(null)
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.String?")!>x<!>.propT
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.String?")!>x<!>.<!INAPPLICABLE_CANDIDATE!>propAny<!>
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.String?")!>x<!>.<!UNSAFE_CALL!>propAny<!>
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.String?")!>x<!>.propNullableT
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.String?")!>x<!>.propNullableAny
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.String?")!>x<!>.funT()
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.String?")!>x<!>.<!INAPPLICABLE_CANDIDATE!>funAny<!>()
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.String?")!>x<!>.<!UNSAFE_CALL!>funAny<!>()
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.String?")!>x<!>.funNullableT()
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.String?")!>x<!>.funNullableAny()
}
@@ -191,13 +191,13 @@ fun case_14(x: MutableCollection<in Number>?) {
fun case_15(x: MutableCollection<out Nothing?>?, y: Nothing?) {
if (x != y) else throw Exception()
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.collections.MutableCollection<out kotlin.Nothing?>?")!>x<!>
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.collections.MutableCollection<out kotlin.Nothing?>?")!>x<!>.<!INAPPLICABLE_CANDIDATE!>equals<!>(null)
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.collections.MutableCollection<out kotlin.Nothing?>?")!>x<!>.<!UNSAFE_CALL!>equals<!>(null)
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.collections.MutableCollection<out kotlin.Nothing?>?")!>x<!>.propT
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.collections.MutableCollection<out kotlin.Nothing?>?")!>x<!>.<!INAPPLICABLE_CANDIDATE!>propAny<!>
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.collections.MutableCollection<out kotlin.Nothing?>?")!>x<!>.<!UNSAFE_CALL!>propAny<!>
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.collections.MutableCollection<out kotlin.Nothing?>?")!>x<!>.propNullableT
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.collections.MutableCollection<out kotlin.Nothing?>?")!>x<!>.propNullableAny
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.collections.MutableCollection<out kotlin.Nothing?>?")!>x<!>.funT()
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.collections.MutableCollection<out kotlin.Nothing?>?")!>x<!>.<!INAPPLICABLE_CANDIDATE!>funAny<!>()
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.collections.MutableCollection<out kotlin.Nothing?>?")!>x<!>.<!UNSAFE_CALL!>funAny<!>()
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.collections.MutableCollection<out kotlin.Nothing?>?")!>x<!>.funNullableT()
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.collections.MutableCollection<out kotlin.Nothing?>?")!>x<!>.funNullableAny()
}
@@ -206,13 +206,13 @@ fun case_15(x: MutableCollection<out Nothing?>?, y: Nothing?) {
fun case_16(x: Collection<Collection<Collection<Collection<Collection<Collection<Collection<*>>>>>>>?) {
if (x !== implicitNullableNothingProperty) else { throw Exception() }
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<*>>>>>>>?")!>x<!>
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<*>>>>>>>?")!>x<!>.<!INAPPLICABLE_CANDIDATE!>equals<!>(null)
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<*>>>>>>>?")!>x<!>.<!UNSAFE_CALL!>equals<!>(null)
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<*>>>>>>>?")!>x<!>.propT
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<*>>>>>>>?")!>x<!>.<!INAPPLICABLE_CANDIDATE!>propAny<!>
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<*>>>>>>>?")!>x<!>.<!UNSAFE_CALL!>propAny<!>
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<*>>>>>>>?")!>x<!>.propNullableT
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<*>>>>>>>?")!>x<!>.propNullableAny
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<*>>>>>>>?")!>x<!>.funT()
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<*>>>>>>>?")!>x<!>.<!INAPPLICABLE_CANDIDATE!>funAny<!>()
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<*>>>>>>>?")!>x<!>.<!UNSAFE_CALL!>funAny<!>()
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<*>>>>>>>?")!>x<!>.funNullableT()
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<kotlin.collections.Collection<*>>>>>>>?")!>x<!>.funNullableAny()
}
@@ -221,13 +221,13 @@ fun case_16(x: Collection<Collection<Collection<Collection<Collection<Collection
fun case_17(x: MutableMap<*, *>?) {
if (x === implicitNullableNothingProperty || false) { throw Exception() }
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.collections.MutableMap<*, *>?")!>x<!>
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.collections.MutableMap<*, *>?")!>x<!>.<!INAPPLICABLE_CANDIDATE!>equals<!>(null)
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.collections.MutableMap<*, *>?")!>x<!>.<!UNSAFE_CALL!>equals<!>(null)
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.collections.MutableMap<*, *>?")!>x<!>.propT
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.collections.MutableMap<*, *>?")!>x<!>.<!INAPPLICABLE_CANDIDATE!>propAny<!>
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.collections.MutableMap<*, *>?")!>x<!>.<!UNSAFE_CALL!>propAny<!>
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.collections.MutableMap<*, *>?")!>x<!>.propNullableT
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.collections.MutableMap<*, *>?")!>x<!>.propNullableAny
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.collections.MutableMap<*, *>?")!>x<!>.funT()
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.collections.MutableMap<*, *>?")!>x<!>.<!INAPPLICABLE_CANDIDATE!>funAny<!>()
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.collections.MutableMap<*, *>?")!>x<!>.<!UNSAFE_CALL!>funAny<!>()
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.collections.MutableMap<*, *>?")!>x<!>.funNullableT()
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.collections.MutableMap<*, *>?")!>x<!>.funNullableAny()
}
@@ -236,13 +236,13 @@ fun case_17(x: MutableMap<*, *>?) {
fun case_18(x: MutableMap<out Number, in Number>?) {
if (false || false || false || x == nullableNothingProperty) throw Exception()
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.collections.MutableMap<out kotlin.Number, in kotlin.Number>?")!>x<!>
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.collections.MutableMap<out kotlin.Number, in kotlin.Number>?")!>x<!>.<!INAPPLICABLE_CANDIDATE!>equals<!>(null)
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.collections.MutableMap<out kotlin.Number, in kotlin.Number>?")!>x<!>.<!UNSAFE_CALL!>equals<!>(null)
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.collections.MutableMap<out kotlin.Number, in kotlin.Number>?")!>x<!>.propT
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.collections.MutableMap<out kotlin.Number, in kotlin.Number>?")!>x<!>.<!INAPPLICABLE_CANDIDATE!>propAny<!>
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.collections.MutableMap<out kotlin.Number, in kotlin.Number>?")!>x<!>.<!UNSAFE_CALL!>propAny<!>
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.collections.MutableMap<out kotlin.Number, in kotlin.Number>?")!>x<!>.propNullableT
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.collections.MutableMap<out kotlin.Number, in kotlin.Number>?")!>x<!>.propNullableAny
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.collections.MutableMap<out kotlin.Number, in kotlin.Number>?")!>x<!>.funT()
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.collections.MutableMap<out kotlin.Number, in kotlin.Number>?")!>x<!>.<!INAPPLICABLE_CANDIDATE!>funAny<!>()
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.collections.MutableMap<out kotlin.Number, in kotlin.Number>?")!>x<!>.<!UNSAFE_CALL!>funAny<!>()
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.collections.MutableMap<out kotlin.Number, in kotlin.Number>?")!>x<!>.funNullableT()
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.collections.MutableMap<out kotlin.Number, in kotlin.Number>?")!>x<!>.funNullableAny()
}
@@ -318,13 +318,13 @@ fun <T> case_23(x: Inv<in T>?) {
fun <T> case_24(x: Inv<out T?>?, y: Nothing?) {
if (x !== y && true) else throw Exception()
<!DEBUG_INFO_EXPRESSION_TYPE("Inv<out T?>?")!>x<!>
<!DEBUG_INFO_EXPRESSION_TYPE("Inv<out T?>?")!>x<!>.<!INAPPLICABLE_CANDIDATE!>equals<!>(null)
<!DEBUG_INFO_EXPRESSION_TYPE("Inv<out T?>?")!>x<!>.<!UNSAFE_CALL!>equals<!>(null)
<!DEBUG_INFO_EXPRESSION_TYPE("Inv<out T?>?")!>x<!>.propT
<!DEBUG_INFO_EXPRESSION_TYPE("Inv<out T?>?")!>x<!>.<!INAPPLICABLE_CANDIDATE!>propAny<!>
<!DEBUG_INFO_EXPRESSION_TYPE("Inv<out T?>?")!>x<!>.<!UNSAFE_CALL!>propAny<!>
<!DEBUG_INFO_EXPRESSION_TYPE("Inv<out T?>?")!>x<!>.propNullableT
<!DEBUG_INFO_EXPRESSION_TYPE("Inv<out T?>?")!>x<!>.propNullableAny
<!DEBUG_INFO_EXPRESSION_TYPE("Inv<out T?>?")!>x<!>.funT()
<!DEBUG_INFO_EXPRESSION_TYPE("Inv<out T?>?")!>x<!>.<!INAPPLICABLE_CANDIDATE!>funAny<!>()
<!DEBUG_INFO_EXPRESSION_TYPE("Inv<out T?>?")!>x<!>.<!UNSAFE_CALL!>funAny<!>()
<!DEBUG_INFO_EXPRESSION_TYPE("Inv<out T?>?")!>x<!>.funNullableT()
<!DEBUG_INFO_EXPRESSION_TYPE("Inv<out T?>?")!>x<!>.funNullableAny()
}
@@ -333,13 +333,13 @@ fun <T> case_24(x: Inv<out T?>?, y: Nothing?) {
fun <T> case_25(x: Inv<out T?>?, y: Nothing?) {
if (x !== y) else try { throw Exception() } finally { throw Exception() }
<!DEBUG_INFO_EXPRESSION_TYPE("Inv<out T?>?")!>x<!>
<!DEBUG_INFO_EXPRESSION_TYPE("Inv<out T?>?")!>x<!>.<!INAPPLICABLE_CANDIDATE!>equals<!>(null)
<!DEBUG_INFO_EXPRESSION_TYPE("Inv<out T?>?")!>x<!>.<!UNSAFE_CALL!>equals<!>(null)
<!DEBUG_INFO_EXPRESSION_TYPE("Inv<out T?>?")!>x<!>.propT
<!DEBUG_INFO_EXPRESSION_TYPE("Inv<out T?>?")!>x<!>.<!INAPPLICABLE_CANDIDATE!>propAny<!>
<!DEBUG_INFO_EXPRESSION_TYPE("Inv<out T?>?")!>x<!>.<!UNSAFE_CALL!>propAny<!>
<!DEBUG_INFO_EXPRESSION_TYPE("Inv<out T?>?")!>x<!>.propNullableT
<!DEBUG_INFO_EXPRESSION_TYPE("Inv<out T?>?")!>x<!>.propNullableAny
<!DEBUG_INFO_EXPRESSION_TYPE("Inv<out T?>?")!>x<!>.funT()
<!DEBUG_INFO_EXPRESSION_TYPE("Inv<out T?>?")!>x<!>.<!INAPPLICABLE_CANDIDATE!>funAny<!>()
<!DEBUG_INFO_EXPRESSION_TYPE("Inv<out T?>?")!>x<!>.<!UNSAFE_CALL!>funAny<!>()
<!DEBUG_INFO_EXPRESSION_TYPE("Inv<out T?>?")!>x<!>.funNullableT()
<!DEBUG_INFO_EXPRESSION_TYPE("Inv<out T?>?")!>x<!>.funNullableAny()
}