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K2: repeat K1 representation for flexible type parameters

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This commit changes the behavior of KT-59138 effectively declining it in 2.0.
However, we plan to implement KT-59138 behavior under a feature
flag in 2.0 (see KT-66447), and switch this feature on version 2.x.

Also, this commit implements the LC resolution about postponing
KT-57014 change. We don't have KT-57014 described behavior in 2.0 anymore.
However, we plan to implement a deprecation warning here, see KT-65578.

After this commit, 6 diagnostic tests become incorrectly broken:
- 5 tests from PurelyImplementedCollection group
- a test platformTypes/nullableTypeArgument.kt

This commit also breaks currently fixed-in-k2 KT-50134
(it is fixed again in the following commits),
as well as KT-58933 (it will remain not fixed till we enable KT-59138
behavior again).

#KT-65596 In Progress
#KT-57014 In Progress
#KT-58933 Submitted
This commit is contained in:
Denis.Zharkov
2024-02-06 15:33:03 +01:00
committed by Space Team
parent 7fd46f1450
commit 81414d758d
160 changed files with 343 additions and 479 deletions
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compiler/fir/analysis-tests/testData/resolve/smartcasts/smartcastedField.fir.txt
Vendored
+4 -4
View File
@@ -1,8 +1,8 @@
FILE: main.kt
private final val anyProperty: R|Property<kotlin/Any>| = R|/Property.Property|<R|kotlin/Any|>()
private get(): R|Property<kotlin/Any>|
private final val boundedProperty: R|Property<kotlin/String>| = R|/Property.Property|<R|kotlin/String|>()
private get(): R|Property<kotlin/String>|
private final val anyProperty: R|Property<kotlin/Any!>| = R|/Property.Property|<R|kotlin/Any!|>()
private get(): R|Property<kotlin/Any!>|
private final val boundedProperty: R|Property<kotlin/String!>| = R|/Property.Property|<R|kotlin/String!|>()
private get(): R|Property<kotlin/String!>|
public final fun test_1(x: R|Property<kotlin/Any>|): R|kotlin/Unit| {
when () {
(R|<local>/x| is R|Reference|) -> {