[FIR] Java super-type arguments are now handled as flexible

compiler/testData/diagnostics/tests/platformTypes/methodCall/multipleExactBoundsNullable.fir.kt

@@ -28,11 +28,11 @@ interface WithFoo {
 
 fun <M2: WithFoo> foo(delegateResolver: ResolverForProject<M2?>): ResolverForProject<M2?> {
     val descriptorByModule = MyMap<M2, String>()
-    val result = <!INAPPLICABLE_CANDIDATE!>ResolverForProjectImpl<!>(descriptorByModule, delegateResolver)
-    result.<!UNRESOLVED_REFERENCE!>exposeM<!>.<!UNRESOLVED_REFERENCE!>foo<!>() // M is not M2?
-    result.<!UNRESOLVED_REFERENCE!>exposeM<!>?.<!UNRESOLVED_REFERENCE!>foo<!>() // no warning, M is not M2, hense M is M2!
+    val result = ResolverForProjectImpl(descriptorByModule, delegateResolver)
+    result.exposeM.foo() // M is not M2?
+    result.exposeM?.foo() // no warning, M is not M2, hense M is M2!
 
-    return <!INAPPLICABLE_CANDIDATE!>ResolverForProjectImpl<!>(descriptorByModule, delegateResolver) // another bound check
+    return ResolverForProjectImpl(descriptorByModule, delegateResolver) // another bound check
 }
 
 // MyMap<M2, String> :< Map<M, String> => M = M2!

compiler/testData/diagnostics/tests/subtyping/javaAndKotlinSuperType.fir.kt

@@ -22,10 +22,10 @@ fun test(b: B, c: C, d: D, e: E) {
     eatAString(d)
     eatAString(e)
 
-    <!INAPPLICABLE_CANDIDATE!>eatAStringN<!>(b)
-    <!INAPPLICABLE_CANDIDATE!>eatAStringN<!>(c)
-    <!INAPPLICABLE_CANDIDATE!>eatAStringN<!>(d)
-    <!INAPPLICABLE_CANDIDATE!>eatAStringN<!>(e)
+    eatAStringN(b)
+    eatAStringN(c)
+    eatAStringN(d)
+    eatAStringN(e)
 }
 
 // FILE: 3.kt

compiler/testData/ir/irText/stubs/builtinMap.fir.txt

@@ -26,7 +26,7 @@ FILE fqName:<root> fileName:/builtinMap.kt
                 FUN LOCAL_FUNCTION_FOR_LAMBDA name:<anonymous> visibility:local modality:FINAL <> ($receiver:java.util.LinkedHashMap<K1 of <root>.plus, V1 of <root>.plus>) returnType:kotlin.Unit
                   $receiver: VALUE_PARAMETER name:<this> type:java.util.LinkedHashMap<K1 of <root>.plus, V1 of <root>.plus>
                   BLOCK_BODY
-                    CALL 'public open fun put (p0: K1 of <root>.plus, p1: V1 of <root>.plus): V1 of <root>.plus? [operator] declared in java.util.HashMap' type=V1 of <root>.plus? origin=null
+                    CALL 'public open fun put (p0: K1 of <root>.plus?, p1: V1 of <root>.plus?): V1 of <root>.plus? [operator] declared in java.util.HashMap' type=V1 of <root>.plus? origin=null
                       $this: GET_VAR '<this>: java.util.LinkedHashMap<K1 of <root>.plus, V1 of <root>.plus> declared in special.<anonymous>' type=java.util.LinkedHashMap<K1 of <root>.plus, V1 of <root>.plus> origin=null
                       p0: CALL 'public final fun <get-first> (): K1 of <root>.plus declared in kotlin.Pair' type=K1 of <root>.plus origin=null
                         $this: GET_VAR 'pair: kotlin.Pair<K1 of <root>.plus, V1 of <root>.plus> declared in <root>.plus' type=kotlin.Pair<K1 of <root>.plus, V1 of <root>.plus> origin=null

compiler/testData/loadJava/compiledJava/ClassWithTypePExtendsIterableP.fir.txt

@@ -1,4 +1,4 @@
-public abstract class ClassWithTypePExtendsIterableP<P> : R|kotlin/Any|, R|kotlin/collections/MutableIterable<P>| {
+public abstract class ClassWithTypePExtendsIterableP<P> : R|kotlin/Any|, R|kotlin/collections/MutableIterable<ft<P, P?>!>| {
     public constructor<P>(): R|test/ClassWithTypePExtendsIterableP<P>|
 
 }

compiler/testData/loadJava/compiledJava/annotations/AnnotatedEnumEntry.fir.txt

@@ -1,4 +1,4 @@
-public final enum class AnnotatedEnumEntry : R|kotlin/Enum<test/AnnotatedEnumEntry>| {
+public final enum class AnnotatedEnumEntry : R|kotlin/Enum<ft<test/AnnotatedEnumEntry, test/AnnotatedEnumEntry?>!>| {
     @R|test/AnnotatedEnumEntry.Anno|(String(a)) public final static field E1: R|ft<test/AnnotatedEnumEntry, test/AnnotatedEnumEntry?>!|
 
     @R|test/AnnotatedEnumEntry.Anno|(String(b)) @R|test/AnnotatedEnumEntry.Anno2|() public final static field E2: R|ft<test/AnnotatedEnumEntry, test/AnnotatedEnumEntry?>!|

compiler/testData/loadJava/compiledJava/annotations/EnumConstructorParameter.fir.txt

@@ -1,4 +1,4 @@
-public final enum class EnumConstructorParameter : R|kotlin/Enum<test/EnumConstructorParameter>| {
+public final enum class EnumConstructorParameter : R|kotlin/Enum<ft<test/EnumConstructorParameter, test/EnumConstructorParameter?>!>| {
     public final static field INSTANCE: R|ft<test/EnumConstructorParameter, test/EnumConstructorParameter?>!|
 
     private constructor(@R|test/EnumConstructorParameter.Anno|(String(string)) s: R|ft<kotlin/String, kotlin/String?>!|): R|test/EnumConstructorParameter|

compiler/testData/loadJava/compiledJava/enum/EnumMembers.fir.txt

@@ -1,4 +1,4 @@
-public final enum class EnumMembers : R|kotlin/Enum<test/EnumMembers>| {
+public final enum class EnumMembers : R|kotlin/Enum<ft<test/EnumMembers, test/EnumMembers?>!>| {
     public final static field FIRST: R|ft<test/EnumMembers, test/EnumMembers?>!|
 
     public final static field SECOND: R|ft<test/EnumMembers, test/EnumMembers?>!|

compiler/testData/loadJava/compiledJava/enum/EnumWithSpecializedEntry.fir.txt

@@ -1,4 +1,4 @@
-public open enum class EnumWithSpecializedEntry : R|kotlin/Enum<test/EnumWithSpecializedEntry>| {
+public open enum class EnumWithSpecializedEntry : R|kotlin/Enum<ft<test/EnumWithSpecializedEntry, test/EnumWithSpecializedEntry?>!>| {
     public final static field E1: R|ft<test/EnumWithSpecializedEntry, test/EnumWithSpecializedEntry?>!|
 
     public final static field E2: R|ft<test/EnumWithSpecializedEntry, test/EnumWithSpecializedEntry?>!|

compiler/testData/loadJava/compiledJava/enum/JavaEnum.fir.txt

@@ -1,4 +1,4 @@
-public final enum class JavaEnum : R|kotlin/Enum<test/JavaEnum>| {
+public final enum class JavaEnum : R|kotlin/Enum<ft<test/JavaEnum, test/JavaEnum?>!>| {
     public final static field ENTRY: R|ft<test/JavaEnum, test/JavaEnum?>!|
 
     public final static field ANOTHER: R|ft<test/JavaEnum, test/JavaEnum?>!|

compiler/testData/loadJava/compiledJava/kotlinSignature/propagation/return/SubclassOfCollection.fir.txt

@@ -1,4 +1,4 @@
-public abstract interface SubclassOfCollection<E> : R|kotlin/collections/MutableCollection<E>| {
+public abstract interface SubclassOfCollection<E> : R|kotlin/collections/MutableCollection<ft<E, E?>!>| {
     public abstract operator fun iterator(): R|kotlin/collections/MutableIterator<ft<E, E?>!>|
 
 }

compiler/testData/loadJava/compiledJava/kotlinSignature/propagation/return/SubclassOfMapEntry.fir.txt

@@ -1,4 +1,4 @@
-public abstract interface SubclassOfMapEntry<K, V> : R|kotlin/collections/MutableMap.MutableEntry<K, V>| {
-    public abstract operator fun setValue(value: R|V|): R|V|
+public abstract interface SubclassOfMapEntry<K, V> : R|kotlin/collections/MutableMap.MutableEntry<ft<K, K?>!, ft<V, V?>!>| {
+    public abstract operator fun setValue(value: R|ft<V, V?>!|): R|ft<V, V?>!|
 
 }

compiler/testData/loadJava/compiledJava/modality/ModalityOfFakeOverrides.fir.txt

@@ -1,4 +1,4 @@
-public open class ModalityOfFakeOverrides : R|java/util/AbstractList<kotlin/String>| {
+public open class ModalityOfFakeOverrides : R|java/util/AbstractList<ft<kotlin/String, kotlin/String?>!>| {
     @R|java/lang/Override|() @R|org/jetbrains/annotations/NotNull|() public open operator fun get(index: R|kotlin/Int|): R|kotlin/String|
 
     @R|java/lang/Override|() public open operator fun size(): R|kotlin/Int|

compiler/testData/loadJava/compiledJava/sam/SubstitutedSamInterface.fir.txt

@@ -1,2 +1,2 @@
-public abstract interface SubstitutedSamInterface : R|java/util/Comparator<kotlin/String>| {
+public abstract interface SubstitutedSamInterface : R|java/util/Comparator<ft<kotlin/String, kotlin/String?>!>| {
 }

compiler/testData/loadJava/compiledJava/sam/SubstitutedSamInterfaceSubclassOfBuiltin.fir.txt

@@ -1,2 +1,2 @@
-public abstract interface SubstitutedSamInterfaceSubclassOfBuiltin : R|kotlin/Comparable<test/SubstitutedSamInterfaceSubclassOfBuiltin>| {
+public abstract interface SubstitutedSamInterfaceSubclassOfBuiltin : R|kotlin/Comparable<ft<test/SubstitutedSamInterfaceSubclassOfBuiltin, test/SubstitutedSamInterfaceSubclassOfBuiltin?>!>| {
 }

compiler/testData/loadJava/compiledJava/static/Enum.fir.txt

@@ -1,4 +1,4 @@
-public final enum class Enum : R|kotlin/Enum<test/Enum>| {
+public final enum class Enum : R|kotlin/Enum<ft<test/Enum, test/Enum?>!>| {
     public final static field A: R|ft<test/Enum, test/Enum?>!|
 
     public final static field B: R|ft<test/Enum, test/Enum?>!|

compiler/testData/loadJava/compiledJava/static/StaticMembersInEnum.fir.txt

@@ -1,4 +1,4 @@
-public final enum class StaticMembersInEnum : R|kotlin/Enum<test/StaticMembersInEnum>| {
+public final enum class StaticMembersInEnum : R|kotlin/Enum<ft<test/StaticMembersInEnum, test/StaticMembersInEnum?>!>| {
     public final static field ENTRY: R|ft<test/StaticMembersInEnum, test/StaticMembersInEnum?>!|
 
     public open static field STATIC_FIELD: R|kotlin/Int|