JVM IR: disable SAM conversion in case type has 'in' projection

... and the corresponding type parameter has a non-trivial (i.e.
non-`Any?`) upper bound.

The best solution here would be to get rid of
`removeExternalProjections` completely, and just use the type of the
argument at the call site, but see KT-52428.

 #KT-51868 Fixed
This commit is contained in:
Alexander Udalov
2022-04-22 00:15:11 +02:00
parent 62c12864f3
commit 584b70719e
14 changed files with 138 additions and 51 deletions
+8 -7
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@@ -18,10 +18,11 @@ FILE fqName:<root> fileName:/test.kt
CALL 'public open fun computeIfAbsent (p0: @[EnhancedNullability] K of kotlin.collections.MutableMap, p1: @[EnhancedNullability] java.util.function.Function<in @[EnhancedNullability] K of kotlin.collections.MutableMap, out @[EnhancedNullability] V of kotlin.collections.MutableMap>): @[EnhancedNullability] V of kotlin.collections.MutableMap declared in kotlin.collections.MutableMap' type=@[EnhancedNullability] kotlin.String origin=null
$this: GET_VAR 'val map: kotlin.collections.MutableMap<<root>.Fun, kotlin.String> [val] declared in <root>.box' type=kotlin.collections.MutableMap<<root>.Fun, kotlin.String> origin=null
p0: GET_VAR 'val fn: <root>.Fun [val] declared in <root>.box' type=<root>.Fun origin=null
p1: TYPE_OP type=@[EnhancedNullability] java.util.function.Function<@[EnhancedNullability] <root>.Fun, @[EnhancedNullability] kotlin.String> origin=SAM_CONVERSION typeOperand=@[EnhancedNullability] java.util.function.Function<@[EnhancedNullability] <root>.Fun, @[EnhancedNullability] kotlin.String>
FUN_EXPR type=kotlin.Function1<@[EnhancedNullability] <root>.Fun, @[EnhancedNullability] kotlin.String> origin=LAMBDA
FUN LOCAL_FUNCTION_FOR_LAMBDA name:<anonymous> visibility:local modality:FINAL <> (it:@[EnhancedNullability] <root>.Fun) returnType:@[EnhancedNullability] kotlin.String
VALUE_PARAMETER name:it index:0 type:@[EnhancedNullability] <root>.Fun
BLOCK_BODY
RETURN type=kotlin.Nothing from='local final fun <anonymous> (it: @[EnhancedNullability] <root>.Fun): @[EnhancedNullability] kotlin.String declared in <root>.box'
CONST String type=kotlin.String value="OK"
p1: TYPE_OP type=@[EnhancedNullability] java.util.function.Function<kotlin.Any?, @[EnhancedNullability] kotlin.String> origin=SAM_CONVERSION typeOperand=@[EnhancedNullability] java.util.function.Function<kotlin.Any?, @[EnhancedNullability] kotlin.String>
TYPE_OP type=kotlin.Function1<@[EnhancedNullability] kotlin.Any?, @[EnhancedNullability] kotlin.String> origin=IMPLICIT_CAST typeOperand=kotlin.Function1<@[EnhancedNullability] kotlin.Any?, @[EnhancedNullability] kotlin.String>
FUN_EXPR type=kotlin.Function1<@[EnhancedNullability] <root>.Fun, @[EnhancedNullability] kotlin.String> origin=LAMBDA
FUN LOCAL_FUNCTION_FOR_LAMBDA name:<anonymous> visibility:local modality:FINAL <> (it:@[EnhancedNullability] <root>.Fun) returnType:@[EnhancedNullability] kotlin.String
VALUE_PARAMETER name:it index:0 type:@[EnhancedNullability] <root>.Fun
BLOCK_BODY
RETURN type=kotlin.Nothing from='local final fun <anonymous> (it: @[EnhancedNullability] <root>.Fun): @[EnhancedNullability] kotlin.String declared in <root>.box'
CONST String type=kotlin.String value="OK"
+1 -1
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@@ -7,5 +7,5 @@ fun box(): String {
return map.computeIfAbsent(p0 = fn, p1 = local fun <anonymous>(it: @EnhancedNullability Fun): @EnhancedNullability String {
return "OK"
}
/*-> @EnhancedNullability Function<@EnhancedNullability Fun, @EnhancedNullability String> */) /*!! String */
/*as Function1<@EnhancedNullability Any?, @EnhancedNullability String> */ /*-> @EnhancedNullability Function<Any?, @EnhancedNullability String> */) /*!! String */
}