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Approximate only types substituted with captured types

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properly fixes #KT-37389
#KT-37389 fixed
#KT-37644 fixed
This commit is contained in:
Ilya Chernikov
2020-03-23 17:12:55 +01:00
parent 49ae3c3db0
commit 44ffed9590
1 changed files with 6 additions and 12 deletions
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compiler/resolution/src/org/jetbrains/kotlin/resolve/calls/inference/components/ConstraintIncorporator.kt
+6 -12
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@@ -126,17 +126,11 @@ class ConstraintIncorporator(
if (needApproximation) approximateCapturedTypes(typeWithSubstitution, toSuper) else typeWithSubstitution
}
when (baseConstraint.kind) {
ConstraintKind.EQUALITY -> {
addNewConstraint(targetVariable, baseConstraint, otherVariable, otherConstraint, typeWithSubstitution, isSubtype = false)
addNewConstraint(targetVariable, baseConstraint, otherVariable, otherConstraint, typeWithSubstitution, isSubtype = true)
}
ConstraintKind.UPPER -> {
addNewConstraint(targetVariable, baseConstraint, otherVariable, otherConstraint, prepareType(true), isSubtype = false)
}
ConstraintKind.LOWER -> {
addNewConstraint(targetVariable, baseConstraint, otherVariable, otherConstraint, prepareType(false), isSubtype = true)
}
if (baseConstraint.kind != ConstraintKind.LOWER) {
addNewConstraint(targetVariable, baseConstraint, otherVariable, otherConstraint, prepareType(true), isSubtype = false)
}
if (baseConstraint.kind != ConstraintKind.UPPER) {
addNewConstraint(targetVariable, baseConstraint, otherVariable, otherConstraint, prepareType(false), isSubtype = true)
}
}
@@ -150,7 +144,7 @@ class ConstraintIncorporator(
val isOtherCapturedType = otherConstraint.type.isCapturedType()
val (type, needApproximation) = when (otherConstraint.kind) {
ConstraintKind.EQUALITY -> {
otherConstraint.type to true
otherConstraint.type to false
}
ConstraintKind.UPPER -> {
/*