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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/testData/ir/irText/expressions/sam/samConversionToGeneric.fir.ir.txt
Vendored
+3 -3
View File
@@ -1,8 +1,8 @@
FILE fqName:<root> fileName:/samConversionToGeneric.kt
FUN name:test1 visibility:public modality:FINAL <> () returnType:<root>.J<kotlin.String>
FUN name:test1 visibility:public modality:FINAL <> () returnType:<root>.J<@[FlexibleNullability] kotlin.String?>
BLOCK_BODY
RETURN type=kotlin.Nothing from='public final fun test1 (): <root>.J<kotlin.String> declared in <root>'
TYPE_OP type=<root>.J<kotlin.String> origin=SAM_CONVERSION typeOperand=<root>.J<kotlin.String>
RETURN type=kotlin.Nothing from='public final fun test1 (): <root>.J<@[FlexibleNullability] kotlin.String?> declared in <root>'
TYPE_OP type=<root>.J<@[FlexibleNullability] kotlin.String?> origin=SAM_CONVERSION typeOperand=<root>.J<@[FlexibleNullability] kotlin.String?>
FUN_EXPR type=kotlin.Function1<@[FlexibleNullability] kotlin.String?, @[FlexibleNullability] kotlin.String?> origin=LAMBDA
FUN LOCAL_FUNCTION_FOR_LAMBDA name:<anonymous> visibility:local modality:FINAL <> (x:@[FlexibleNullability] kotlin.String?) returnType:@[FlexibleNullability] kotlin.String?
VALUE_PARAMETER name:x index:0 type:@[FlexibleNullability] kotlin.String?
compiler/testData/ir/irText/expressions/sam/samConversionToGeneric.fir.kt.txt
Vendored
+2 -3
View File
@@ -1,8 +1,8 @@
fun test1(): J<String> {
fun test1(): J<@FlexibleNullability String?> {
return local fun <anonymous>(x: @FlexibleNullability String?): @FlexibleNullability String? {
return x
}
/*-> J<String> */
/*-> J<@FlexibleNullability String?> */
}
fun test10(fn: Function1<Int, String>) {
@@ -49,4 +49,3 @@ fun test8(efn: @ExtensionFunctionType Function1<String, String>): J<@FlexibleNul
fun test9(efn: @ExtensionFunctionType Function1<String, String>) {
bar<@FlexibleNullability String?>(j = efn /*-> J<@FlexibleNullability String?> */)
}