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Introduce warning about implicitly inferred Nothing as a type parameter

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^KT-20849 Fixed
This commit is contained in:
victor.petukhov
2019-03-13 16:28:51 +03:00
parent 1f98eaa27b
commit 70c35f4186
26 changed files with 188 additions and 24 deletions
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compiler/testData/diagnostics/tests/inference/constraints/ignoreConstraintFromImplicitInNothing.kt
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+2 -2
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@@ -9,8 +9,8 @@ inline fun <reified T> foo2(f: (T) -> Unit): Foo<T> = Foo()
fun test1() {
val f1: Foo<out Int> = foo1 { it checkType { _<Int>() } }
val f2: Foo<in Nothing> = foo1 { it <!UNREACHABLE_CODE!>checkType { <!NI;DEBUG_INFO_UNRESOLVED_WITH_TARGET, NI;UNRESOLVED_REFERENCE_WRONG_RECEIVER!>_<!><Nothing>() }<!> }
val f2: Foo<in Nothing> = <!OI;IMPLICIT_NOTHING_AS_TYPE_PARAMETER!>foo1<!> { it <!UNREACHABLE_CODE!><!OI;IMPLICIT_NOTHING_AS_TYPE_PARAMETER!>checkType<!> { <!NI;DEBUG_INFO_UNRESOLVED_WITH_TARGET, NI;UNRESOLVED_REFERENCE_WRONG_RECEIVER!>_<!><Nothing>() }<!> }
val f3: Foo<out Int> = foo2 { it checkType { _<Int>() } }
val f4: Foo<in Nothing> = <!REIFIED_TYPE_FORBIDDEN_SUBSTITUTION!>foo2<!> { it <!UNREACHABLE_CODE!>checkType { <!NI;DEBUG_INFO_UNRESOLVED_WITH_TARGET, NI;UNRESOLVED_REFERENCE_WRONG_RECEIVER!>_<!><Nothing>() }<!> }
val f4: Foo<in Nothing> = <!OI;IMPLICIT_NOTHING_AS_TYPE_PARAMETER, REIFIED_TYPE_FORBIDDEN_SUBSTITUTION!>foo2<!> { it <!UNREACHABLE_CODE!><!OI;IMPLICIT_NOTHING_AS_TYPE_PARAMETER!>checkType<!> { <!NI;DEBUG_INFO_UNRESOLVED_WITH_TARGET, NI;UNRESOLVED_REFERENCE_WRONG_RECEIVER!>_<!><Nothing>() }<!> }
}