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[FE] Determine intersection type emptiness by looking at supertypes properly: substitute their type arguments

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This commit is contained in:
Victor Petukhov
2022-04-26 20:13:56 +03:00
committed by teamcity
parent a0260292ec
commit 20a8e5d742
17 changed files with 315 additions and 17 deletions
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compiler/fir/providers/src/org/jetbrains/kotlin/fir/types/ConeInferenceContext.kt
+4
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@@ -7,6 +7,7 @@ package org.jetbrains.kotlin.fir.types
import org.jetbrains.kotlin.fir.diagnostics.ConeIntermediateDiagnostic
import org.jetbrains.kotlin.fir.isPrimitiveNumberOrUnsignedNumberType
import org.jetbrains.kotlin.fir.resolve.createSubstitutionForSupertype
import org.jetbrains.kotlin.fir.resolve.fullyExpandedType
import org.jetbrains.kotlin.fir.resolve.providers.FirSymbolProvider
import org.jetbrains.kotlin.fir.resolve.providers.symbolProvider
@@ -563,4 +564,7 @@ interface ConeInferenceContext : TypeSystemInferenceExtensionContext, ConeTypeCo
override fun SimpleTypeMarker.createConstraintPartForLowerBoundAndFlexibleTypeVariable(): KotlinTypeMarker =
createFlexibleType(this.makeSimpleTypeDefinitelyNotNullOrNotNull(), this.withNullability(true))
override fun createSubstitutorForSuperTypes(baseType: KotlinTypeMarker): TypeSubstitutorMarker? =
if (baseType is ConeLookupTagBasedType) createSubstitutionForSupertype(baseType, session) else null
}