NI: Add constraints which contain constraining type without projection
^KT-32243 Fixed ^KT-35172 Fixed
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committed by
victor.petukhov
parent
65cc0fa463
commit
775eb67219
+1
-1
@@ -20,7 +20,7 @@ public class Foo {
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// FILE: test.kt
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fun test(e: <!UNRESOLVED_REFERENCE!>ErrorType<!>) {
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Foo.<!NEW_INFERENCE_NO_INFORMATION_FOR_PARAMETER!>foo<!> {
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Foo.foo {
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Sam.Result.create(<!DEBUG_INFO_ELEMENT_WITH_ERROR_TYPE!>e<!>)
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}
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}
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+30
@@ -0,0 +1,30 @@
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// !LANGUAGE: +NewInference
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// !DIAGNOSTICS: -UNUSED_PARAMETER -CAST_NEVER_SUCCEEDS
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// SKIP_TXT
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// FILE: Test.java
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import java.util.Collection;
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public class Test {
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static <T> Inv<Collection<? extends T>> bar() {
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return null;
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}
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}
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// FILE: main.kt
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class Inv<E>
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fun <R> foo(x: R, y: Inv<R>) {}
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fun main() {
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val values: List<Int> = null as List<Int>
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/*
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* Before the fix, there was type mismatch during checking `Test.bar()` to pass to `foo`:
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* Required: Inv<List<Int>>
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* Found: Inv<(MutableCollection<out Int!>..Collection<Int!>?)>
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* Constraint `(MutableCollection<out T!>..Collection<T!>?)` from 'Found' (for TypeVariable(R)) has been removed
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* during fixation TypeVariable(T) due to the constraint for R contained TypeVariable(T).
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* The problem was that TypeVariable(T) wan't substituted due to `containsConstrainingTypeWithoutProjection` optimization.
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*/
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foo(values, Test.bar())
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}
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