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NI: introduce warning about implicitly inferred Nothing with existing non-Nothing expected type

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^KT-35406 Fixed
This commit is contained in:
Victor Petukhov
2020-02-13 16:09:50 +03:00
parent e3184e407d
commit 51edf2b351
18 changed files with 414 additions and 42 deletions
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compiler/testData/diagnostics/tests/callableReference/generic/genericFunctionsWithNullableTypes.kt
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+1 -1
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@@ -30,7 +30,7 @@ fun <T> test(x: T) {
<!REIFIED_TYPE_FORBIDDEN_SUBSTITUTION, REIFIED_TYPE_FORBIDDEN_SUBSTITUTION!>baz<!>(null, null, ::foo)
val s3: Pair<Int, String?> = <!NI;TYPE_MISMATCH, OI;TYPE_INFERENCE_EXPECTED_TYPE_MISMATCH!>bar(null, null, ::<!OI;TYPE_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>foo<!>)<!>
val s4: Pair<Int?, String> = <!NI;TYPE_MISMATCH, NI;TYPE_MISMATCH, NI;TYPE_MISMATCH, OI;TYPE_INFERENCE_EXPECTED_TYPE_MISMATCH!>bar(null, null, ::<!NI;IMPLICIT_NOTHING_AS_TYPE_PARAMETER, OI;TYPE_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>foo<!>)<!>
val s4: Pair<Int?, String> = <!NI;TYPE_MISMATCH, NI;TYPE_MISMATCH, NI;TYPE_MISMATCH, OI;TYPE_INFERENCE_EXPECTED_TYPE_MISMATCH!>bar(null, null, ::<!NI;IMPLICIT_NOTHING_TYPE_ARGUMENT_IN_RETURN_POSITION, OI;TYPE_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>foo<!>)<!>
val s5: Pair<Int, String> = <!NI;TYPE_MISMATCH, NI;TYPE_MISMATCH, OI;TYPE_INFERENCE_EXPECTED_TYPE_MISMATCH!>bar(1, "", ::foo)<!>
val (a1: Int, b1: String) = <!COMPONENT_FUNCTION_RETURN_TYPE_MISMATCH!>bar(1, "", ::foo)<!>