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EmptyIntersectionTypeChecker: drop questionable check of arguments

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The situations with conflicting type arguments normally don't provoke
any runtime problems. Also, conflicts like A<T> VS A<SomeType> aren't
valid at all. Here we decided to remove them to avoid strange
and non-actionable warnings in user code.

#KT-54411 Fixed
This commit is contained in:
Mikhail Glukhikh
2022-11-24 18:07:40 +01:00
committed by Space Team
parent 832baf81e5
commit 2a1a5c6936
51 changed files with 42 additions and 420 deletions
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compiler/testData/diagnostics/tests/callableReference/generic/explicitTypeArguments.fir.kt
Vendored
+1 -1
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@@ -18,7 +18,7 @@ fun test() {
callFun<String, Wrapper<String>>(::createWrapper)
callFun<Int, Wrapper<Number>>(::createWrapper)
callFun<String, Wrapper<*>>(::createWrapper)
<!INFERRED_TYPE_VARIABLE_INTO_EMPTY_INTERSECTION!>callFun<!><String, Wrapper<Int>>(::createWrapper)
callFun<String, Wrapper<Int>>(::createWrapper)
callFun<Int, Wrapper<Int>>(::createWrapper).baz(::foo)
}
compiler/testData/diagnostics/tests/callableReference/generic/explicitTypeArguments.kt
Vendored
+1 -1
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@@ -18,7 +18,7 @@ fun test() {
callFun<String, Wrapper<String>>(::createWrapper)
callFun<Int, Wrapper<Number>>(::createWrapper)
callFun<String, Wrapper<*>>(::createWrapper)
<!INFERRED_TYPE_VARIABLE_INTO_EMPTY_INTERSECTION_WARNING!>callFun<!><String, Wrapper<Int>>(::createWrapper)
callFun<String, Wrapper<Int>>(::createWrapper)
callFun<Int, Wrapper<Int>>(::createWrapper).baz(::foo)
}
compiler/testData/diagnostics/tests/inference/completion/postponedArgumentsAnalysis/basic.fir.kt
Vendored
+1 -1
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@@ -70,7 +70,7 @@ fun main() {
select(id1 { <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Int")!>it<!>.inv() }, id1 { x: Number -> TODO() }, id1(id2 { x: Int -> x }))
select(id1 { <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Int")!>it<!>.inv() }, id1 { x: Number -> TODO() }, id1(id2(::takeInt)))
select(id1 { x: Inv<out Number> -> TODO() }, id1 { <!DEBUG_INFO_EXPRESSION_TYPE("Inv<kotlin.Int>")!>it<!>.x.inv() }, id1 { x: Inv<Int> -> TODO() })
<!INFERRED_TYPE_VARIABLE_INTO_EMPTY_INTERSECTION!>select<!>(id1 { <!DEBUG_INFO_EXPRESSION_TYPE("Inv<kotlin.Number> & Inv<kotlin.Int>")!>it<!> }, id1 { x: Inv<Number> -> TODO() }, id1 { x: Inv<Int> -> TODO() })
select(id1 { <!DEBUG_INFO_EXPRESSION_TYPE("Inv<kotlin.Number> & Inv<kotlin.Int>")!>it<!> }, id1 { x: Inv<Number> -> TODO() }, id1 { x: Inv<Int> -> TODO() })
select(id(id2 { <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Int")!>it<!>.inv() }), id(id { x: Int -> x }))
// Disambiguating callable references by other callable references without overloads
compiler/testData/diagnostics/tests/inference/completion/postponedArgumentsAnalysis/basic.kt
Vendored
+1 -1
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@@ -70,7 +70,7 @@ fun main() {
select(id1 { <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Int")!>it<!>.inv() }, id1 { x: Number -> TODO() }, id1(id2 { x: Int -> x }))
select(id1 { <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Int")!>it<!>.inv() }, id1 { x: Number -> TODO() }, id1(id2(::takeInt)))
select(id1 { x: Inv<out Number> -> TODO() }, id1 { <!DEBUG_INFO_EXPRESSION_TYPE("Inv<kotlin.Int>")!>it<!>.x.inv() }, id1 { x: Inv<Int> -> TODO() })
<!INFERRED_TYPE_VARIABLE_INTO_EMPTY_INTERSECTION_WARNING!>select<!>(id1 { <!DEBUG_INFO_EXPRESSION_TYPE("{Inv<Int> & Inv<Number>}")!>it<!> }, id1 { x: Inv<Number> -> TODO() }, id1 { x: Inv<Int> -> TODO() })
select(id1 { <!DEBUG_INFO_EXPRESSION_TYPE("{Inv<Int> & Inv<Number>}")!>it<!> }, id1 { x: Inv<Number> -> TODO() }, id1 { x: Inv<Int> -> TODO() })
select(id(id2 { <!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Int")!>it<!>.inv() }), id(id { x: Int -> x }))
// Disambiguating callable references by other callable references without overloads
compiler/testData/diagnostics/tests/inference/emptyIntersectionTypes/kt45461_10.diag.txt
Vendored
-7
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@@ -1,7 +0,0 @@
/kt45461_10.kt:7:25: warning: parameter 'foo' is never used
fun <S : T> takeFoo(foo: Foo<in S>) {}
^
/kt45461_10.kt:16:21: warning: type argument for a type parameter S has possible incompatible upper bounds: Out<Int>, K (final class and interface: Int, A)
Bar<Out<Int>>().takeFoo(foo) // error in 1.3.72, no error in 1.4.31
^
compiler/testData/diagnostics/tests/inference/emptyIntersectionTypes/kt45461_10.kt
Vendored
+1 -2
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@@ -1,5 +1,4 @@
// FIR_IDENTICAL
// RENDER_DIAGNOSTICS_FULL_TEXT
class Foo<T>
@@ -13,5 +12,5 @@ interface A
fun <K : Out<L>, L : N, N: A> main() {
val foo = Foo<K>()
Bar<Out<Int>>().<!INFERRED_TYPE_VARIABLE_INTO_POSSIBLE_EMPTY_INTERSECTION!>takeFoo<!>(foo) // error in 1.3.72, no error in 1.4.31
Bar<Out<Int>>().takeFoo(foo) // error in 1.3.72, no error in 1.4.31
}
compiler/testData/diagnostics/tests/inference/emptyIntersectionTypes/kt45461_13.diag.txt
Vendored
-7
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@@ -1,7 +0,0 @@
/kt45461_13.kt:7:25: warning: parameter 'foo' is never used
fun <S : T> takeFoo(foo: Foo<in S>) {}
^
/kt45461_13.kt:16:24: warning: type argument for a type parameter S has possible incompatible upper bounds: Out<String>, K (final class and interface: String, A)
Bar<Out<String>>().takeFoo(foo) // error in 1.3.72, no error in 1.4.31
^
compiler/testData/diagnostics/tests/inference/emptyIntersectionTypes/kt45461_13.kt
Vendored
+1 -2
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@@ -1,5 +1,4 @@
// FIR_IDENTICAL
// RENDER_DIAGNOSTICS_FULL_TEXT
class Foo<T>
@@ -13,5 +12,5 @@ class Out<out K>
fun <K : L, L : N, N> main() where N: Out<A> {
val foo = Foo<K>()
Bar<Out<String>>().<!INFERRED_TYPE_VARIABLE_INTO_POSSIBLE_EMPTY_INTERSECTION!>takeFoo<!>(foo) // error in 1.3.72, no error in 1.4.31
Bar<Out<String>>().takeFoo(foo) // error in 1.3.72, no error in 1.4.31
}
compiler/testData/diagnostics/tests/inference/emptyIntersectionTypes/kt45461_15.diag.txt
Vendored
-6
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@@ -1,6 +0,0 @@
/kt45461_15.kt:5:25: warning: parameter 'foo' is never used
fun <S : T> takeFoo(foo: Foo<in S>) {}
^
/kt45461_15.kt:14:21: warning: type argument for a type parameter S can't be inferred because it has incompatible upper bounds: Inv<Int>, K (incompatible type arguments: Int, {A & Number}). This will become an error in Kotlin 1.9
Bar<Inv<Int>>().takeFoo(foo) // error in 1.3.72, no error in 1.4.31
^
compiler/testData/diagnostics/tests/inference/emptyIntersectionTypes/kt45461_15.fir.kt
Vendored
-15
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@@ -1,15 +0,0 @@
// RENDER_DIAGNOSTICS_FULL_TEXT
class Foo<T>
class Bar<T> {
fun <S : T> takeFoo(foo: Foo<in S>) {}
}
class Inv<P>
interface A
fun <K : Inv<T>, T> main() where T: A, T: Number {
val foo = Foo<K>()
Bar<Inv<Int>>().<!INFERRED_TYPE_VARIABLE_INTO_EMPTY_INTERSECTION!>takeFoo<!>(foo) // error in 1.3.72, no error in 1.4.31
}
compiler/testData/diagnostics/tests/inference/emptyIntersectionTypes/kt45461_15.kt
Vendored
+2 -2
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@@ -1,4 +1,4 @@
// RENDER_DIAGNOSTICS_FULL_TEXT
// FIR_IDENTICAL
class Foo<T>
class Bar<T> {
@@ -11,5 +11,5 @@ interface A
fun <K : Inv<T>, T> main() where T: A, T: Number {
val foo = Foo<K>()
Bar<Inv<Int>>().<!INFERRED_TYPE_VARIABLE_INTO_EMPTY_INTERSECTION_WARNING!>takeFoo<!>(foo) // error in 1.3.72, no error in 1.4.31
Bar<Inv<Int>>().takeFoo(foo) // error in 1.3.72, no error in 1.4.31
}
compiler/testData/diagnostics/tests/inference/emptyIntersectionTypes/kt45461_16.diag.txt
Vendored
-15
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@@ -1,15 +0,0 @@
// FIR_IDENTICAL
class Foo<T>
class Bar<T> {
fun <S : T> takeFoo(foo: Foo<in S>) {}
}
class Inv<P>
interface A
fun <K : Inv<T>, T> main() where T: A, T: Number {
val foo = Foo<K>()
Bar<Inv<out Int>>().<!INFERRED_TYPE_VARIABLE_INTO_POSSIBLE_EMPTY_INTERSECTION!>takeFoo<!>(foo) // error in 1.3.72, no error in 1.4.31
}
compiler/testData/diagnostics/tests/inference/emptyIntersectionTypes/kt45461_16.kt
Vendored
+1 -1
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@@ -11,5 +11,5 @@ interface A
fun <K : Inv<T>, T> main() where T: A, T: Number {
val foo = Foo<K>()
Bar<Inv<out Int>>().<!INFERRED_TYPE_VARIABLE_INTO_POSSIBLE_EMPTY_INTERSECTION!>takeFoo<!>(foo) // error in 1.3.72, no error in 1.4.31
Bar<Inv<out Int>>().takeFoo(foo) // error in 1.3.72, no error in 1.4.31
}
compiler/testData/diagnostics/tests/inference/emptyIntersectionTypes/kt45461_19.diag.txt
Vendored
-6
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@@ -1,6 +0,0 @@
/kt45461_19.kt:5:25: warning: parameter 'foo' is never used
fun <S : T> takeFoo(foo: Foo<in S>) {}
^
/kt45461_19.kt:13:26: warning: type argument for a type parameter S can't be inferred because it has incompatible upper bounds: Out<Inv<Int>>, K (incompatible type arguments: Int, Number). This will become an error in Kotlin 1.9
Bar<Out<Inv<Int>>>().takeFoo(foo) // error in 1.3.72, no error in 1.4.31
^
compiler/testData/diagnostics/tests/inference/emptyIntersectionTypes/kt45461_19.fir.kt
Vendored
-14
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@@ -1,14 +0,0 @@
// RENDER_DIAGNOSTICS_FULL_TEXT
class Foo<T>
class Bar<T> {
fun <S : T> takeFoo(foo: Foo<in S>) {}
}
class Out<out P>
class Inv<O>
fun <K : Out<L>, L : N, N: Inv<Number>> main() {
val foo = Foo<K>()
Bar<Out<Inv<Int>>>().<!INFERRED_TYPE_VARIABLE_INTO_EMPTY_INTERSECTION!>takeFoo<!>(foo) // error in 1.3.72, no error in 1.4.31
}
compiler/testData/diagnostics/tests/inference/emptyIntersectionTypes/kt45461_19.kt
Vendored
+2 -2
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@@ -1,4 +1,4 @@
// RENDER_DIAGNOSTICS_FULL_TEXT
// FIR_IDENTICAL
class Foo<T>
class Bar<T> {
@@ -10,5 +10,5 @@ class Inv<O>
fun <K : Out<L>, L : N, N: Inv<Number>> main() {
val foo = Foo<K>()
Bar<Out<Inv<Int>>>().<!INFERRED_TYPE_VARIABLE_INTO_EMPTY_INTERSECTION_WARNING!>takeFoo<!>(foo) // error in 1.3.72, no error in 1.4.31
Bar<Out<Inv<Int>>>().takeFoo(foo) // error in 1.3.72, no error in 1.4.31
}
compiler/testData/diagnostics/tests/inference/emptyIntersectionTypes/kt45461_21.diag.txt
Vendored
-6
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@@ -1,6 +0,0 @@
/kt45461_21.kt:5:25: warning: parameter 'foo' is never used
fun <S : T> takeFoo(foo: Foo<in S>) {}
^
/kt45461_21.kt:13:25: warning: type argument for a type parameter S can't be inferred because it has incompatible upper bounds: In<Inv<Int>>, K (incompatible type arguments: Int, Number). This will become an error in Kotlin 1.9
Bar<In<Inv<Int>>>().takeFoo(foo) // error in 1.3.72, no error in 1.4.31
^
compiler/testData/diagnostics/tests/inference/emptyIntersectionTypes/kt45461_21.fir.kt
Vendored
-14
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@@ -1,14 +0,0 @@
// RENDER_DIAGNOSTICS_FULL_TEXT
class Foo<T>
class Bar<T> {
fun <S : T> takeFoo(foo: Foo<in S>) {}
}
class In<in P>
class Inv<O>
fun <K : In<Inv<Number>>> main() {
val foo = Foo<K>()
Bar<In<Inv<Int>>>().<!INFERRED_TYPE_VARIABLE_INTO_EMPTY_INTERSECTION!>takeFoo<!>(foo) // error in 1.3.72, no error in 1.4.31
}
compiler/testData/diagnostics/tests/inference/emptyIntersectionTypes/kt45461_21.kt
Vendored
+2 -2
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@@ -1,4 +1,4 @@
// RENDER_DIAGNOSTICS_FULL_TEXT
// FIR_IDENTICAL
class Foo<T>
class Bar<T> {
@@ -10,5 +10,5 @@ class Inv<O>
fun <K : In<Inv<Number>>> main() {
val foo = Foo<K>()
Bar<In<Inv<Int>>>().<!INFERRED_TYPE_VARIABLE_INTO_EMPTY_INTERSECTION_WARNING!>takeFoo<!>(foo) // error in 1.3.72, no error in 1.4.31
Bar<In<Inv<Int>>>().takeFoo(foo) // error in 1.3.72, no error in 1.4.31
}
compiler/testData/diagnostics/tests/inference/emptyIntersectionTypes/kt45461_24.diag.txt
Vendored
-9
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@@ -1,9 +0,0 @@
/kt45461_24.kt:5:25: warning: parameter 'foo' is never used
fun <S : T> takeFoo(foo: Foo<in S>) {}
^
/kt45461_24.kt:10:10: warning: 'Inv<out Inv<out Int>>' is a final type, and thus a value of the type parameter is predetermined
fun <K : Inv<out Inv<out Int>>> main() {
^
/kt45461_24.kt:12:35: warning: type argument for a type parameter S can't be inferred because it has incompatible upper bounds: Inv<in Inv<in Number>>, K (incompatible type arguments: Number, Int). This will become an error in Kotlin 1.9
Bar<Inv<in Inv<in Number>>>().takeFoo(foo) // error in 1.3.72, no error in 1.4.31
^
compiler/testData/diagnostics/tests/inference/emptyIntersectionTypes/kt45461_24.fir.kt
Vendored
-13
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@@ -1,13 +0,0 @@
// RENDER_DIAGNOSTICS_FULL_TEXT
class Foo<T>
class Bar<T> {
fun <S : T> takeFoo(foo: Foo<in S>) {}
}
class Inv<O>
fun <K : <!FINAL_UPPER_BOUND!>Inv<out Inv<out Int>><!>> main() {
val foo = Foo<K>()
Bar<Inv<in Inv<in Number>>>().<!INFERRED_TYPE_VARIABLE_INTO_EMPTY_INTERSECTION!>takeFoo<!>(foo) // error in 1.3.72, no error in 1.4.31
}
compiler/testData/diagnostics/tests/inference/emptyIntersectionTypes/kt45461_24.kt
Vendored
+2 -2
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@@ -1,4 +1,4 @@
// RENDER_DIAGNOSTICS_FULL_TEXT
// FIR_IDENTICAL
class Foo<T>
class Bar<T> {
@@ -9,5 +9,5 @@ class Inv<O>
fun <K : <!FINAL_UPPER_BOUND!>Inv<out Inv<out Int>><!>> main() {
val foo = Foo<K>()
Bar<Inv<in Inv<in Number>>>().<!INFERRED_TYPE_VARIABLE_INTO_EMPTY_INTERSECTION_WARNING!>takeFoo<!>(foo) // error in 1.3.72, no error in 1.4.31
Bar<Inv<in Inv<in Number>>>().takeFoo(foo) // error in 1.3.72, no error in 1.4.31
}
compiler/testData/diagnostics/tests/inference/emptyIntersectionTypes/kt45461_26.diag.txt
Vendored
-4
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@@ -1,10 +1,6 @@
/kt45461_26.kt:13:25: error: type mismatch: inferred type is {K & Out<String>} but Out<Float> was expected
val x: Out<Float> = Bar<Out<String>>().takeFoo(foo)
^
/kt45461_26.kt:13:44: error: type argument for a type parameter S can't be inferred because it has incompatible upper bounds: Out<String>, K (multiple incompatible classes: String, Int)
val x: Out<Float> = Bar<Out<String>>().takeFoo(foo)
^
/kt45461_26.kt:13:44: error: type mismatch: inferred type is {K & Out<String>} but Out<Float> was expected
val x: Out<Float> = Bar<Out<String>>().takeFoo(foo)
^
compiler/testData/diagnostics/tests/inference/emptyIntersectionTypes/kt45461_26.fir.kt
Vendored
+1 -1
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@@ -10,5 +10,5 @@ class Out<out K>
fun <K : L, L : N, N: <!FINAL_UPPER_BOUND!>Out<Int><!>> main() {
val foo = Foo<K>()
val x: Out<Float> = Bar<Out<String>>().<!INFERRED_TYPE_VARIABLE_INTO_EMPTY_INTERSECTION("S; Out<kotlin/String>, K; multiple incompatible classes; : kotlin/String, kotlin/Int")!>takeFoo<!>(foo)
val x: Out<Float> = Bar<Out<String>>().takeFoo(foo)
}
compiler/testData/diagnostics/tests/inference/emptyIntersectionTypes/kt45461_26.kt
Vendored
+1 -1
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@@ -10,5 +10,5 @@ class Out<out K>
fun <K : L, L : N, N: <!FINAL_UPPER_BOUND!>Out<Int><!>> main() {
val foo = Foo<K>()
val x: Out<Float> = <!TYPE_MISMATCH!>Bar<Out<String>>().<!INFERRED_TYPE_VARIABLE_INTO_EMPTY_INTERSECTION_ERROR("S; Out<String>, K; multiple incompatible classes; : String, Int"), TYPE_MISMATCH!>takeFoo<!>(foo)<!>
val x: Out<Float> = <!TYPE_MISMATCH!>Bar<Out<String>>().<!TYPE_MISMATCH!>takeFoo<!>(foo)<!>
}
compiler/testData/diagnostics/tests/inference/emptyIntersectionTypes/kt45461_28.fir.kt
Vendored
-12
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@@ -1,12 +0,0 @@
class Foo<T>
class Bar<T> {
fun <S : T> takeFoo(foo: Foo<in S>) {}
}
class Inv<O>
fun <K : Inv<Inv<Number>>> main() {
val foo = Foo<K>()
Bar<Inv<in Inv<Int>>>().<!INFERRED_TYPE_VARIABLE_INTO_EMPTY_INTERSECTION!>takeFoo<!>(foo) // error in 1.3.72, no error in 1.4.31
}
compiler/testData/diagnostics/tests/inference/emptyIntersectionTypes/kt45461_28.kt
Vendored
+2 -1
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@@ -1,3 +1,4 @@
// FIR_IDENTICAL
class Foo<T>
class Bar<T> {
@@ -8,5 +9,5 @@ class Inv<O>
fun <K : Inv<Inv<Number>>> main() {
val foo = Foo<K>()
Bar<Inv<in Inv<Int>>>().<!INFERRED_TYPE_VARIABLE_INTO_EMPTY_INTERSECTION_WARNING!>takeFoo<!>(foo) // error in 1.3.72, no error in 1.4.31
Bar<Inv<in Inv<Int>>>().takeFoo(foo) // error in 1.3.72, no error in 1.4.31
}
compiler/testData/diagnostics/tests/inference/emptyIntersectionTypes/kt45461_29.fir.kt
Vendored
-15
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@@ -1,15 +0,0 @@
class Foo<T>
class Bar<T> {
fun <S : T> takeFoo(foo: Foo<in S>) {}
}
class Inv<P>
interface A
interface B
fun <K : Inv<A>> main() {
val foo = Foo<K>()
Bar<Inv<B>>().<!INFERRED_TYPE_VARIABLE_INTO_EMPTY_INTERSECTION!>takeFoo<!>(foo) // error in 1.3.72, no error in 1.4.31
}
compiler/testData/diagnostics/tests/inference/emptyIntersectionTypes/kt45461_29.kt
Vendored
+2 -1
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@@ -1,3 +1,4 @@
// FIR_IDENTICAL
class Foo<T>
class Bar<T> {
@@ -11,5 +12,5 @@ interface B
fun <K : Inv<A>> main() {
val foo = Foo<K>()
Bar<Inv<B>>().<!INFERRED_TYPE_VARIABLE_INTO_EMPTY_INTERSECTION_WARNING!>takeFoo<!>(foo) // error in 1.3.72, no error in 1.4.31
Bar<Inv<B>>().takeFoo(foo) // error in 1.3.72, no error in 1.4.31
}
compiler/testData/diagnostics/tests/inference/emptyIntersectionTypes/kt45461_30.fir.kt
Vendored
-15
View File
@@ -1,15 +0,0 @@
class Foo<T>
class Bar<T> {
fun <S : T> takeFoo(foo: Foo<in S>) {}
}
class Out<out P>
interface A<K>
interface B<K> : A<Int>
fun <K : Out<A<String>>> main() {
val foo = Foo<K>()
Bar<Out<B<String>>>().<!INFERRED_TYPE_VARIABLE_INTO_EMPTY_INTERSECTION!>takeFoo<!>(foo) // error in 1.3.72, no error in 1.4.31
}
compiler/testData/diagnostics/tests/inference/emptyIntersectionTypes/kt45461_30.kt
Vendored
+2 -1
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@@ -1,3 +1,4 @@
// FIR_IDENTICAL
class Foo<T>
class Bar<T> {
@@ -11,5 +12,5 @@ interface B<K> : A<Int>
fun <K : Out<A<String>>> main() {
val foo = Foo<K>()
Bar<Out<B<String>>>().<!INFERRED_TYPE_VARIABLE_INTO_EMPTY_INTERSECTION_WARNING!>takeFoo<!>(foo) // error in 1.3.72, no error in 1.4.31
Bar<Out<B<String>>>().takeFoo(foo) // error in 1.3.72, no error in 1.4.31
}
compiler/testData/diagnostics/tests/inference/emptyIntersectionTypes/kt45461_31.fir.kt
Vendored
-15
View File
@@ -1,15 +0,0 @@
class Foo<T>
class Bar<T> {
fun <S : T> takeFoo(foo: Foo<in S>) {}
}
class Out<out P>
interface A<K>
interface B : A<Int>
fun <K : Out<A<String>>> main() {
val foo = Foo<K>()
Bar<Out<B>>().<!INFERRED_TYPE_VARIABLE_INTO_EMPTY_INTERSECTION!>takeFoo<!>(foo) // error in 1.3.72, no error in 1.4.31
}
compiler/testData/diagnostics/tests/inference/emptyIntersectionTypes/kt45461_31.kt
Vendored
+2 -1
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@@ -1,3 +1,4 @@
// FIR_IDENTICAL
class Foo<T>
class Bar<T> {
@@ -11,5 +12,5 @@ interface B : A<Int>
fun <K : Out<A<String>>> main() {
val foo = Foo<K>()
Bar<Out<B>>().<!INFERRED_TYPE_VARIABLE_INTO_EMPTY_INTERSECTION_WARNING("S; Out<B>, K; incompatible supertypes; : A<Int>, A<String>")!>takeFoo<!>(foo) // error in 1.3.72, no error in 1.4.31
Bar<Out<B>>().takeFoo(foo) // error in 1.3.72, no error in 1.4.31
}
compiler/testData/diagnostics/tests/inference/emptyIntersectionTypes/kt45461_32.fir.kt
Vendored
-16
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@@ -1,16 +0,0 @@
class Foo<T>
class Bar<T> {
fun <S : T> takeFoo(foo: Foo<in S>) {}
}
class Out<out P>
interface A<K>
interface B : A<Int>
interface C : A<String>
fun <K : Out<C>> main() {
val foo = Foo<K>()
Bar<Out<B>>().<!INFERRED_TYPE_VARIABLE_INTO_EMPTY_INTERSECTION!>takeFoo<!>(foo) // error in 1.3.72, no error in 1.4.31
}
compiler/testData/diagnostics/tests/inference/emptyIntersectionTypes/kt45461_32.kt
Vendored
+2 -1
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@@ -1,3 +1,4 @@
// FIR_IDENTICAL
class Foo<T>
class Bar<T> {
@@ -12,5 +13,5 @@ interface C : A<String>
fun <K : Out<C>> main() {
val foo = Foo<K>()
Bar<Out<B>>().<!INFERRED_TYPE_VARIABLE_INTO_EMPTY_INTERSECTION_WARNING!>takeFoo<!>(foo) // error in 1.3.72, no error in 1.4.31
Bar<Out<B>>().takeFoo(foo) // error in 1.3.72, no error in 1.4.31
}
compiler/testData/diagnostics/tests/inference/emptyIntersectionTypes/kt45461_33.fir.kt
Vendored
-16
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@@ -1,16 +0,0 @@
class Foo<T>
class Bar<T> {
fun <S : T> takeFoo(foo: Foo<in S>) {}
}
class Out<out P>
interface A<K>
class B : A<Int>
class C : A<String>
fun <K : <!FINAL_UPPER_BOUND!>Out<C><!>> main() {
val foo = Foo<K>()
Bar<Out<B>>().<!INFERRED_TYPE_VARIABLE_INTO_EMPTY_INTERSECTION!>takeFoo<!>(foo) // error in 1.3.72, no error in 1.4.31
}
compiler/testData/diagnostics/tests/inference/emptyIntersectionTypes/kt45461_33.kt
Vendored
+2 -1
View File
@@ -1,3 +1,4 @@
// FIR_IDENTICAL
class Foo<T>
class Bar<T> {
@@ -12,5 +13,5 @@ class C : A<String>
fun <K : <!FINAL_UPPER_BOUND!>Out<C><!>> main() {
val foo = Foo<K>()
Bar<Out<B>>().<!INFERRED_TYPE_VARIABLE_INTO_EMPTY_INTERSECTION_WARNING!>takeFoo<!>(foo) // error in 1.3.72, no error in 1.4.31
Bar<Out<B>>().takeFoo(foo) // error in 1.3.72, no error in 1.4.31
}
compiler/testData/diagnostics/tests/inference/emptyIntersectionTypes/kt45461_34.fir.kt
Vendored
-15
View File
@@ -1,15 +0,0 @@
class Foo<T>
class Bar<T> {
fun <S : T> takeFoo(foo: Foo<in S>) {}
}
class Out<out P>
interface A<K>
class B : A<Int>
fun <K : Out<A<String>>> main() {
val foo = Foo<K>()
Bar<Out<B>>().<!INFERRED_TYPE_VARIABLE_INTO_EMPTY_INTERSECTION!>takeFoo<!>(foo) // error in 1.3.72, no error in 1.4.31
}
compiler/testData/diagnostics/tests/inference/emptyIntersectionTypes/kt45461_34.kt
Vendored
+2 -1
View File
@@ -1,3 +1,4 @@
// FIR_IDENTICAL
class Foo<T>
class Bar<T> {
@@ -11,5 +12,5 @@ class B : A<Int>
fun <K : Out<A<String>>> main() {
val foo = Foo<K>()
Bar<Out<B>>().<!INFERRED_TYPE_VARIABLE_INTO_EMPTY_INTERSECTION_WARNING("S; Out<B>, K; incompatible supertypes; : A<Int>, A<String>")!>takeFoo<!>(foo) // error in 1.3.72, no error in 1.4.31
Bar<Out<B>>().takeFoo(foo) // error in 1.3.72, no error in 1.4.31
}
compiler/testData/diagnostics/tests/inference/emptyIntersectionTypes/kt45461_35.fir.kt
Vendored
-16
View File
@@ -1,16 +0,0 @@
// WITH_STDLIB
class Foo<T>
class Bar<T>
fun <T> Bar<T>.takeFoo(foo: Foo<out Any?>): Int = 1
class Inv<O>
fun <K : <!FINAL_UPPER_BOUND!>Inv<out Inv<out Int>><!>> main() {
fun <T, S : T> Bar<T>.takeFoo(foo: Foo<in S>): String = ""
val foo = Foo<K>()
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Int")!>Bar<Inv<in Inv<in Number>>>().takeFoo(foo)<!>
}
compiler/testData/diagnostics/tests/inference/emptyIntersectionTypes/kt45461_35.kt
Vendored
+2 -1
View File
@@ -1,3 +1,4 @@
// FIR_IDENTICAL
// WITH_STDLIB
class Foo<T>
@@ -12,5 +13,5 @@ fun <K : <!FINAL_UPPER_BOUND!>Inv<out Inv<out Int>><!>> main() {
fun <T, S : T> Bar<T>.takeFoo(foo: Foo<in S>): String = ""
val foo = Foo<K>()
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.String")!>Bar<Inv<in Inv<in Number>>>().<!INFERRED_TYPE_VARIABLE_INTO_EMPTY_INTERSECTION_WARNING!>takeFoo<!>(foo)<!>
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.String")!>Bar<Inv<in Inv<in Number>>>().takeFoo(foo)<!>
}
compiler/testData/diagnostics/tests/inference/emptyIntersectionTypes/kt45461_35_Enabled.kt
Vendored
+1 -1
View File
@@ -14,5 +14,5 @@ fun <K : <!FINAL_UPPER_BOUND!>Inv<out Inv<out Int>><!>> main() {
fun <T, S : T> Bar<T>.takeFoo(foo: Foo<in S>): String = ""
val foo = Foo<K>()
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.Int")!>Bar<Inv<in Inv<in Number>>>().takeFoo(foo)<!>
<!DEBUG_INFO_EXPRESSION_TYPE("kotlin.String")!>Bar<Inv<in Inv<in Number>>>().takeFoo(foo)<!>
}
compiler/testData/diagnostics/tests/inference/emptyIntersectionTypes/kt45461_8.diag.txt
Vendored
-9
View File
@@ -1,9 +0,0 @@
/kt45461_8.kt:5:25: warning: parameter 'foo' is never used
fun <S : T> takeFoo(foo: Foo<in S>) {}
^
/kt45461_8.kt:10:28: warning: 'Int' is a final type, and thus a value of the type parameter is predetermined
fun <K : Inv<L>, L : N, N: Int> main() {
^
/kt45461_8.kt:12:24: warning: type argument for a type parameter S can't be inferred because it has incompatible upper bounds: Inv<Number>, K (incompatible type arguments: Number, Int). This will become an error in Kotlin 1.9
Bar<Inv<Number>>().takeFoo(foo) // error in 1.3.72, no error in 1.4.31
^
compiler/testData/diagnostics/tests/inference/emptyIntersectionTypes/kt45461_8.fir.kt
Vendored
-13
View File
@@ -1,13 +0,0 @@
// RENDER_DIAGNOSTICS_FULL_TEXT
class Foo<T>
class Bar<T> {
fun <S : T> takeFoo(foo: Foo<in S>) {}
}
class Inv<P>
fun <K : Inv<L>, L : N, N: <!FINAL_UPPER_BOUND!>Int<!>> main() {
val foo = Foo<K>()
Bar<Inv<Number>>().<!INFERRED_TYPE_VARIABLE_INTO_EMPTY_INTERSECTION!>takeFoo<!>(foo) // error in 1.3.72, no error in 1.4.31
}
compiler/testData/diagnostics/tests/inference/emptyIntersectionTypes/kt45461_8.kt
Vendored
+2 -2
View File
@@ -1,4 +1,4 @@
// RENDER_DIAGNOSTICS_FULL_TEXT
// FIR_IDENTICAL
class Foo<T>
class Bar<T> {
@@ -9,5 +9,5 @@ class Inv<P>
fun <K : Inv<L>, L : N, N: <!FINAL_UPPER_BOUND!>Int<!>> main() {
val foo = Foo<K>()
Bar<Inv<Number>>().<!INFERRED_TYPE_VARIABLE_INTO_EMPTY_INTERSECTION_WARNING!>takeFoo<!>(foo) // error in 1.3.72, no error in 1.4.31
Bar<Inv<Number>>().takeFoo(foo) // error in 1.3.72, no error in 1.4.31
}
compiler/testData/diagnostics/tests/inference/emptyIntersectionTypes/kt45461_9.diag.txt
Vendored
-7
View File
@@ -1,7 +0,0 @@
/kt45461_9.kt:5:25: warning: parameter 'foo' is never used
fun <S : T> takeFoo(foo: Foo<in S>) {}
^
/kt45461_9.kt:12:21: warning: type argument for a type parameter S can't be inferred because it has incompatible upper bounds: Inv<Int>, Inv<Number> (incompatible type arguments: Int, Number). This will become an error in Kotlin 1.9
Bar<Inv<Int>>().takeFoo(foo) // error in 1.3.72, no error in 1.4.31
^
compiler/testData/diagnostics/tests/inference/emptyIntersectionTypes/kt45461_9.fir.kt
Vendored
-13
View File
@@ -1,13 +0,0 @@
// RENDER_DIAGNOSTICS_FULL_TEXT
class Foo<T>
class Bar<T> {
fun <S : T> takeFoo(foo: Foo<in S>) {}
}
class Inv<P>
fun <K : Inv<L>, L : N, N: Number> main() {
val foo = Foo<Inv<Number>>()
Bar<Inv<Int>>().<!INFERRED_TYPE_VARIABLE_INTO_EMPTY_INTERSECTION!>takeFoo<!>(foo) // error in 1.3.72, no error in 1.4.31
}
compiler/testData/diagnostics/tests/inference/emptyIntersectionTypes/kt45461_9.kt
Vendored
+2 -2
View File
@@ -1,4 +1,4 @@
// RENDER_DIAGNOSTICS_FULL_TEXT
// FIR_IDENTICAL
class Foo<T>
class Bar<T> {
@@ -9,5 +9,5 @@ class Inv<P>
fun <K : Inv<L>, L : N, N: Number> main() {
val foo = Foo<Inv<Number>>()
Bar<Inv<Int>>().<!INFERRED_TYPE_VARIABLE_INTO_EMPTY_INTERSECTION_WARNING!>takeFoo<!>(foo) // error in 1.3.72, no error in 1.4.31
Bar<Inv<Int>>().takeFoo(foo) // error in 1.3.72, no error in 1.4.31
}
compiler/testData/diagnostics/tests/inference/emptyIntersectionTypes/kt54411.diag.txt
Vendored
-9
View File
@@ -1,9 +0,0 @@
/kt54411.kt:5:68: warning: parameter 'createNewSegment' is never used
inline fun <F : Segment<F>> AtomicRef<F>.findSegmentAndMoveForward(createNewSegment: (prev: F?) -> F) = null
^
/kt54411.kt:14:14: warning: type argument for a type parameter F has possible incompatible upper bounds: Segment<OneElementSegment<Q>>, OneElementSegment<Q>? (final class and non-final class: Segment<OneElementSegment<out Any?>>, OneElementSegment<out Any?>)
tail.findSegmentAndMoveForward(::createSegment)
^
/kt54411.kt:18:31: warning: parameter 'prev' is never used
private fun <C> createSegment(prev: OneElementSegment<C>?) = OneElementSegment<C>()
^
compiler/testData/diagnostics/tests/inference/emptyIntersectionTypes/kt54411.kt
Vendored
+1 -2
View File
@@ -1,5 +1,4 @@
// FIR_IDENTICAL
// !RENDER_DIAGNOSTICS_FULL_TEXT
class AtomicRef<T>(val value: T)
inline fun <F : Segment<F>> AtomicRef<F>.findSegmentAndMoveForward(createNewSegment: (prev: F?) -> F) = null
@@ -11,7 +10,7 @@ interface Queue<Q> {
// F <: Segment<F> from upper bound
// F <: OneElementSegment<Segment<F>>? from ::createSegment argument. ? is questionable here
// (F?) -> F <: (OneElementSegment<C>?) -> OneElementSegment<C>
tail.<!INFERRED_TYPE_VARIABLE_INTO_POSSIBLE_EMPTY_INTERSECTION!>findSegmentAndMoveForward<!>(::createSegment)
tail.findSegmentAndMoveForward(::createSegment)
}
}