[FIR] ConeAttributes: fix plus method

The 'plus' method was actually creating a new 'ConeAttributes' with
only one new attribute due to a typo inside 'buildList'

^KT-60451
^KT-60504

compiler/fir/analysis-tests/testData/resolveWithStdlib/intersectRawAndMutable.fir.txt

@@ -2,16 +2,16 @@ FILE: test.kt
     public abstract interface StringSet : R|kotlin/collections/MutableSet<kotlin/String>| {
     }
     public final fun foo(arg: R|kotlin/Boolean|): R|kotlin/Unit| {
-        lval x: R|ft<Raw type java/util/ArrayList<kotlin/Any!>, @EnhancedNullability java/util/ArrayList<*>>| = Q|Producer|.R|/Producer.foo*s|()
+        lval x: R|ft<Raw type java/util/ArrayList<kotlin/Any!>, Raw type java/util/ArrayList<*>>| = Q|Producer|.R|/Producer.foo*s|()
         when () {
             (R|<local>/x| is R|kotlin/collections/Set<*>|) ->  {
-                lval y: R|ft<Raw type java/util/ArrayList<kotlin/Any!>, @EnhancedNullability java/util/ArrayList<*>>| = R|<local>/x|
+                lval y: R|ft<Raw type java/util/ArrayList<kotlin/Any!>, Raw type java/util/ArrayList<*>>| = R|<local>/x|
             }
         }
 
         when () {
             (R|<local>/x| is R|kotlin/collections/MutableSet<*>|) ->  {
-                lval y: R|ft<Raw type java/util/ArrayList<kotlin/Any!>, @EnhancedNullability java/util/ArrayList<*>>| = R|<local>/x|
+                lval y: R|ft<Raw type java/util/ArrayList<kotlin/Any!>, Raw type java/util/ArrayList<*>>| = R|<local>/x|
             }
         }
 

compiler/fir/cones/src/org/jetbrains/kotlin/fir/types/ConeAttributes.kt

@@ -96,9 +96,10 @@ class ConeAttributes private constructor(attributes: List<ConeAttribute<*>>) : A
         if (attribute in this) return this
         if (isEmpty()) return predefinedAttributes[attribute] ?: ConeAttributes(attribute)
         val newAttributes = buildList {
-            addAll(this)
+            addAll(arrayMap)
             add(attribute)
         }
+
         return ConeAttributes(newAttributes)
     }
 

compiler/testData/diagnostics/tests/annotations/rendering/typeMismatchOnOverrideJavaNullable.ll.kt

@@ -0,0 +1,45 @@
+// LL_FIR_DIVERGENCE
+// KT-60504
+// LL_FIR_DIVERGENCE
+// !RENDER_DIAGNOSTICS_MESSAGES
+// SKIP_JAVAC
+
+// FILE: A.java
+
+import org.jetbrains.annotations.NotNull;
+import java.lang.annotation.*;
+
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.METHOD)
+@javax.annotation.meta.TypeQualifier
+public @interface MyTypeQualifier {}
+
+@An
+public interface A {
+    @NotNull
+    @An
+    @MyTypeQualifier
+    String foo();
+}
+
+// FILE: k.kt
+
+import org.jetbrains.annotations.NotNull;
+
+@Target(AnnotationTarget.FUNCTION, AnnotationTarget.TYPE, AnnotationTarget.CLASS,  AnnotationTarget.PROPERTY,  AnnotationTarget.VALUE_PARAMETER)
+annotation class An
+
+class B : A {
+    override fun foo(): <!RETURN_TYPE_MISMATCH_ON_OVERRIDE("foo; @NotNull() @An() @MyTypeQualifier() fun foo(): @EnhancedNullability @R|An|()  String")!>String?<!> = null
+}
+
+@An
+public interface C {
+    @NotNull
+    @An
+    fun foo(): String
+}
+
+class D : C {
+    override fun foo(): <!RETURN_TYPE_MISMATCH_ON_OVERRIDE("foo; @NotNull() @An() fun foo(): String")!>String?<!> = null
+}

compiler/testData/diagnostics/tests/j+k/types/notNullTypeParameterWithKotlinNullableWarnings.fir.diag.txt

@@ -1,7 +1,7 @@
 /main.kt:(98,103): error: Argument type mismatch: actual type is 'V' but '@EnhancedNullability V & Any' was expected
 
-/main.kt:(119,120): error: Argument type mismatch: actual type is 'kotlin/collections/List<V>' but 'ft<@EnhancedNullability kotlin/collections/MutableList<@EnhancedNullability V & Any>, @EnhancedNullability kotlin/collections/List<@EnhancedNullability V & Any>>' was expected
+/main.kt:(119,120): error: Argument type mismatch: actual type is 'kotlin/collections/List<V>' but 'ft<@EnhancedNullability kotlin/collections/MutableList<@EnhancedNullability @R|org/jetbrains/annotations/NotNull|()  V & Any>, @EnhancedNullability kotlin/collections/List<@EnhancedNullability @R|org/jetbrains/annotations/NotNull|()  V & Any>>' was expected
 
 /main.kt:(133,138): error: Argument type mismatch: actual type is 'V' but '@EnhancedNullability E & Any' was expected
 
-/main.kt:(154,155): error: Argument type mismatch: actual type is 'kotlin/collections/List<V>' but 'ft<@EnhancedNullability kotlin/collections/MutableList<@EnhancedNullability E & Any>, @EnhancedNullability kotlin/collections/List<@EnhancedNullability E & Any>>' was expected
+/main.kt:(154,155): error: Argument type mismatch: actual type is 'kotlin/collections/List<V>' but 'ft<@EnhancedNullability kotlin/collections/MutableList<@EnhancedNullability @R|org/jetbrains/annotations/NotNull|()  E & Any>, @EnhancedNullability kotlin/collections/List<@EnhancedNullability @R|org/jetbrains/annotations/NotNull|()  E & Any>>' was expected

compiler/testData/ir/irText/types/nullChecks/enhancedNullabilityInDestructuringAssignment.fir.ir.txt

@@ -131,66 +131,66 @@ FILE fqName:<root> fileName:/enhancedNullabilityInDestructuringAssignment.kt
         y: GET_VAR 'val y: kotlin.Int declared in <root>.test1' type=kotlin.Int origin=null
   FUN name:test2 visibility:public modality:FINAL <> () returnType:kotlin.Unit
     BLOCK_BODY
-      VAR IR_TEMPORARY_VARIABLE name:tmp_1 type:@[FlexibleNullability] <root>.Q<@[EnhancedNullability] kotlin.String, @[EnhancedNullability] kotlin.String>? [val]
-        CALL 'public open fun notNullComponents (): @[FlexibleNullability] <root>.Q<@[EnhancedNullability] kotlin.String, @[EnhancedNullability] kotlin.String>? declared in <root>.J' type=@[FlexibleNullability] <root>.Q<@[EnhancedNullability] kotlin.String, @[EnhancedNullability] kotlin.String>? origin=null
-      VAR name:x type:@[EnhancedNullability] kotlin.String [val]
-        TYPE_OP type=kotlin.String origin=IMPLICIT_NOTNULL typeOperand=kotlin.String
-          CALL 'public final fun component1 (): T1 of <root>.Q declared in <root>.Q' type=@[EnhancedNullability] kotlin.String origin=COMPONENT_N(index=1)
-            $this: GET_VAR 'val tmp_1: @[FlexibleNullability] <root>.Q<@[EnhancedNullability] kotlin.String, @[EnhancedNullability] kotlin.String>? declared in <root>.test2' type=@[FlexibleNullability] <root>.Q<@[EnhancedNullability] kotlin.String, @[EnhancedNullability] kotlin.String>? origin=null
-      VAR name:y type:@[EnhancedNullability] kotlin.String [val]
-        TYPE_OP type=kotlin.String origin=IMPLICIT_NOTNULL typeOperand=kotlin.String
-          CALL 'public final fun component2 (): T2 of <root>.Q declared in <root>.Q' type=@[EnhancedNullability] kotlin.String origin=COMPONENT_N(index=2)
-            $this: GET_VAR 'val tmp_1: @[FlexibleNullability] <root>.Q<@[EnhancedNullability] kotlin.String, @[EnhancedNullability] kotlin.String>? declared in <root>.test2' type=@[FlexibleNullability] <root>.Q<@[EnhancedNullability] kotlin.String, @[EnhancedNullability] kotlin.String>? origin=null
+      VAR IR_TEMPORARY_VARIABLE name:tmp_1 type:@[FlexibleNullability] <root>.Q<@[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String, @[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String>? [val]
+        CALL 'public open fun notNullComponents (): @[FlexibleNullability] <root>.Q<@[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String, @[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String>? declared in <root>.J' type=@[FlexibleNullability] <root>.Q<@[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String, @[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String>? origin=null
+      VAR name:x type:@[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String [val]
+        TYPE_OP type=@[NotNull(value = <null>)] kotlin.String origin=IMPLICIT_NOTNULL typeOperand=@[NotNull(value = <null>)] kotlin.String
+          CALL 'public final fun component1 (): T1 of <root>.Q declared in <root>.Q' type=@[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String origin=COMPONENT_N(index=1)
+            $this: GET_VAR 'val tmp_1: @[FlexibleNullability] <root>.Q<@[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String, @[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String>? declared in <root>.test2' type=@[FlexibleNullability] <root>.Q<@[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String, @[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String>? origin=null
+      VAR name:y type:@[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String [val]
+        TYPE_OP type=@[NotNull(value = <null>)] kotlin.String origin=IMPLICIT_NOTNULL typeOperand=@[NotNull(value = <null>)] kotlin.String
+          CALL 'public final fun component2 (): T2 of <root>.Q declared in <root>.Q' type=@[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String origin=COMPONENT_N(index=2)
+            $this: GET_VAR 'val tmp_1: @[FlexibleNullability] <root>.Q<@[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String, @[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String>? declared in <root>.test2' type=@[FlexibleNullability] <root>.Q<@[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String, @[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String>? origin=null
       CALL 'public final fun use (x: kotlin.Any, y: kotlin.Any): kotlin.Unit declared in <root>' type=kotlin.Unit origin=null
-        x: GET_VAR 'val x: @[EnhancedNullability] kotlin.String declared in <root>.test2' type=@[EnhancedNullability] kotlin.String origin=null
-        y: GET_VAR 'val y: @[EnhancedNullability] kotlin.String declared in <root>.test2' type=@[EnhancedNullability] kotlin.String origin=null
+        x: GET_VAR 'val x: @[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String declared in <root>.test2' type=@[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String origin=null
+        y: GET_VAR 'val y: @[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String declared in <root>.test2' type=@[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String origin=null
   FUN name:test2Desugared visibility:public modality:FINAL <> () returnType:kotlin.Unit
     BLOCK_BODY
-      VAR name:tmp type:@[FlexibleNullability] <root>.Q<@[EnhancedNullability] kotlin.String, @[EnhancedNullability] kotlin.String>? [val]
-        CALL 'public open fun notNullComponents (): @[FlexibleNullability] <root>.Q<@[EnhancedNullability] kotlin.String, @[EnhancedNullability] kotlin.String>? declared in <root>.J' type=@[FlexibleNullability] <root>.Q<@[EnhancedNullability] kotlin.String, @[EnhancedNullability] kotlin.String>? origin=null
-      VAR name:x type:kotlin.String [val]
-        TYPE_OP type=kotlin.String origin=IMPLICIT_NOTNULL typeOperand=kotlin.String
-          CALL 'public final fun component1 (): T1 of <root>.Q declared in <root>.Q' type=@[EnhancedNullability] kotlin.String origin=null
-            $this: GET_VAR 'val tmp: @[FlexibleNullability] <root>.Q<@[EnhancedNullability] kotlin.String, @[EnhancedNullability] kotlin.String>? declared in <root>.test2Desugared' type=@[FlexibleNullability] <root>.Q<@[EnhancedNullability] kotlin.String, @[EnhancedNullability] kotlin.String>? origin=null
-      VAR name:y type:kotlin.String [val]
-        TYPE_OP type=kotlin.String origin=IMPLICIT_NOTNULL typeOperand=kotlin.String
-          CALL 'public final fun component2 (): T2 of <root>.Q declared in <root>.Q' type=@[EnhancedNullability] kotlin.String origin=null
-            $this: GET_VAR 'val tmp: @[FlexibleNullability] <root>.Q<@[EnhancedNullability] kotlin.String, @[EnhancedNullability] kotlin.String>? declared in <root>.test2Desugared' type=@[FlexibleNullability] <root>.Q<@[EnhancedNullability] kotlin.String, @[EnhancedNullability] kotlin.String>? origin=null
+      VAR name:tmp type:@[FlexibleNullability] <root>.Q<@[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String, @[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String>? [val]
+        CALL 'public open fun notNullComponents (): @[FlexibleNullability] <root>.Q<@[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String, @[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String>? declared in <root>.J' type=@[FlexibleNullability] <root>.Q<@[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String, @[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String>? origin=null
+      VAR name:x type:@[NotNull(value = <null>)] kotlin.String [val]
+        TYPE_OP type=@[NotNull(value = <null>)] kotlin.String origin=IMPLICIT_NOTNULL typeOperand=@[NotNull(value = <null>)] kotlin.String
+          CALL 'public final fun component1 (): T1 of <root>.Q declared in <root>.Q' type=@[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String origin=null
+            $this: GET_VAR 'val tmp: @[FlexibleNullability] <root>.Q<@[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String, @[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String>? declared in <root>.test2Desugared' type=@[FlexibleNullability] <root>.Q<@[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String, @[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String>? origin=null
+      VAR name:y type:@[NotNull(value = <null>)] kotlin.String [val]
+        TYPE_OP type=@[NotNull(value = <null>)] kotlin.String origin=IMPLICIT_NOTNULL typeOperand=@[NotNull(value = <null>)] kotlin.String
+          CALL 'public final fun component2 (): T2 of <root>.Q declared in <root>.Q' type=@[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String origin=null
+            $this: GET_VAR 'val tmp: @[FlexibleNullability] <root>.Q<@[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String, @[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String>? declared in <root>.test2Desugared' type=@[FlexibleNullability] <root>.Q<@[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String, @[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String>? origin=null
       CALL 'public final fun use (x: kotlin.Any, y: kotlin.Any): kotlin.Unit declared in <root>' type=kotlin.Unit origin=null
-        x: GET_VAR 'val x: kotlin.String declared in <root>.test2Desugared' type=kotlin.String origin=null
-        y: GET_VAR 'val y: kotlin.String declared in <root>.test2Desugared' type=kotlin.String origin=null
+        x: GET_VAR 'val x: @[NotNull(value = <null>)] kotlin.String declared in <root>.test2Desugared' type=@[NotNull(value = <null>)] kotlin.String origin=null
+        y: GET_VAR 'val y: @[NotNull(value = <null>)] kotlin.String declared in <root>.test2Desugared' type=@[NotNull(value = <null>)] kotlin.String origin=null
   FUN name:test3 visibility:public modality:FINAL <> () returnType:kotlin.Unit
     BLOCK_BODY
-      VAR IR_TEMPORARY_VARIABLE name:tmp_2 type:<root>.Q<@[EnhancedNullability] kotlin.String, @[EnhancedNullability] kotlin.String> [val]
-        TYPE_OP type=<root>.Q<@[EnhancedNullability] kotlin.String, @[EnhancedNullability] kotlin.String> origin=IMPLICIT_NOTNULL typeOperand=<root>.Q<@[EnhancedNullability] kotlin.String, @[EnhancedNullability] kotlin.String>
-          CALL 'public open fun notNullQAndComponents (): @[EnhancedNullability] <root>.Q<@[EnhancedNullability] kotlin.String, @[EnhancedNullability] kotlin.String> declared in <root>.J' type=@[EnhancedNullability] <root>.Q<@[EnhancedNullability] kotlin.String, @[EnhancedNullability] kotlin.String> origin=null
-      VAR name:x type:@[EnhancedNullability] kotlin.String [val]
-        TYPE_OP type=kotlin.String origin=IMPLICIT_NOTNULL typeOperand=kotlin.String
-          CALL 'public final fun component1 (): T1 of <root>.Q declared in <root>.Q' type=@[EnhancedNullability] kotlin.String origin=COMPONENT_N(index=1)
-            $this: GET_VAR 'val tmp_2: <root>.Q<@[EnhancedNullability] kotlin.String, @[EnhancedNullability] kotlin.String> declared in <root>.test3' type=<root>.Q<@[EnhancedNullability] kotlin.String, @[EnhancedNullability] kotlin.String> origin=null
-      VAR name:y type:@[EnhancedNullability] kotlin.String [val]
-        TYPE_OP type=kotlin.String origin=IMPLICIT_NOTNULL typeOperand=kotlin.String
-          CALL 'public final fun component2 (): T2 of <root>.Q declared in <root>.Q' type=@[EnhancedNullability] kotlin.String origin=COMPONENT_N(index=2)
-            $this: GET_VAR 'val tmp_2: <root>.Q<@[EnhancedNullability] kotlin.String, @[EnhancedNullability] kotlin.String> declared in <root>.test3' type=<root>.Q<@[EnhancedNullability] kotlin.String, @[EnhancedNullability] kotlin.String> origin=null
+      VAR IR_TEMPORARY_VARIABLE name:tmp_2 type:<root>.Q<@[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String, @[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String> [val]
+        TYPE_OP type=<root>.Q<@[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String, @[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String> origin=IMPLICIT_NOTNULL typeOperand=<root>.Q<@[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String, @[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String>
+          CALL 'public open fun notNullQAndComponents (): @[EnhancedNullability] <root>.Q<@[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String, @[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String> declared in <root>.J' type=@[EnhancedNullability] <root>.Q<@[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String, @[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String> origin=null
+      VAR name:x type:@[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String [val]
+        TYPE_OP type=@[NotNull(value = <null>)] kotlin.String origin=IMPLICIT_NOTNULL typeOperand=@[NotNull(value = <null>)] kotlin.String
+          CALL 'public final fun component1 (): T1 of <root>.Q declared in <root>.Q' type=@[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String origin=COMPONENT_N(index=1)
+            $this: GET_VAR 'val tmp_2: <root>.Q<@[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String, @[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String> declared in <root>.test3' type=<root>.Q<@[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String, @[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String> origin=null
+      VAR name:y type:@[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String [val]
+        TYPE_OP type=@[NotNull(value = <null>)] kotlin.String origin=IMPLICIT_NOTNULL typeOperand=@[NotNull(value = <null>)] kotlin.String
+          CALL 'public final fun component2 (): T2 of <root>.Q declared in <root>.Q' type=@[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String origin=COMPONENT_N(index=2)
+            $this: GET_VAR 'val tmp_2: <root>.Q<@[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String, @[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String> declared in <root>.test3' type=<root>.Q<@[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String, @[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String> origin=null
       CALL 'public final fun use (x: kotlin.Any, y: kotlin.Any): kotlin.Unit declared in <root>' type=kotlin.Unit origin=null
-        x: GET_VAR 'val x: @[EnhancedNullability] kotlin.String declared in <root>.test3' type=@[EnhancedNullability] kotlin.String origin=null
-        y: GET_VAR 'val y: @[EnhancedNullability] kotlin.String declared in <root>.test3' type=@[EnhancedNullability] kotlin.String origin=null
+        x: GET_VAR 'val x: @[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String declared in <root>.test3' type=@[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String origin=null
+        y: GET_VAR 'val y: @[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String declared in <root>.test3' type=@[EnhancedNullability] @[NotNull(value = <null>)] kotlin.String origin=null
   FUN name:test4 visibility:public modality:FINAL <> () returnType:kotlin.Unit
     BLOCK_BODY
-      VAR IR_TEMPORARY_VARIABLE name:tmp_3 type:kotlin.collections.IndexedValue<@[EnhancedNullability] <root>.P> [val]
-        CALL 'public final fun first <T> (): T of kotlin.collections.first declared in kotlin.collections' type=kotlin.collections.IndexedValue<@[EnhancedNullability] <root>.P> origin=null
-          <T>: kotlin.collections.IndexedValue<@[EnhancedNullability] <root>.P>
-          $receiver: CALL 'public final fun withIndex <T> (): kotlin.collections.Iterable<kotlin.collections.IndexedValue<T of kotlin.collections.withIndex>> declared in kotlin.collections' type=kotlin.collections.Iterable<kotlin.collections.IndexedValue<@[EnhancedNullability] <root>.P>> origin=null
-            <T>: @[EnhancedNullability] <root>.P
-            $receiver: TYPE_OP type=@[FlexibleMutability] kotlin.collections.MutableList<@[EnhancedNullability] <root>.P> origin=IMPLICIT_NOTNULL typeOperand=@[FlexibleMutability] kotlin.collections.MutableList<@[EnhancedNullability] <root>.P>
-              CALL 'public open fun listOfNotNull (): @[FlexibleNullability] @[FlexibleMutability] kotlin.collections.MutableList<@[EnhancedNullability] <root>.P>? declared in <root>.J' type=@[FlexibleNullability] @[FlexibleMutability] kotlin.collections.MutableList<@[EnhancedNullability] <root>.P>? origin=null
+      VAR IR_TEMPORARY_VARIABLE name:tmp_3 type:kotlin.collections.IndexedValue<@[EnhancedNullability] @[NotNull(value = <null>)] <root>.P> [val]
+        CALL 'public final fun first <T> (): T of kotlin.collections.first declared in kotlin.collections' type=kotlin.collections.IndexedValue<@[EnhancedNullability] @[NotNull(value = <null>)] <root>.P> origin=null
+          <T>: kotlin.collections.IndexedValue<@[EnhancedNullability] @[NotNull(value = <null>)] <root>.P>
+          $receiver: CALL 'public final fun withIndex <T> (): kotlin.collections.Iterable<kotlin.collections.IndexedValue<T of kotlin.collections.withIndex>> declared in kotlin.collections' type=kotlin.collections.Iterable<kotlin.collections.IndexedValue<@[EnhancedNullability] @[NotNull(value = <null>)] <root>.P>> origin=null
+            <T>: @[EnhancedNullability] @[NotNull(value = <null>)] <root>.P
+            $receiver: TYPE_OP type=@[FlexibleMutability] kotlin.collections.MutableList<@[EnhancedNullability] @[NotNull(value = <null>)] <root>.P> origin=IMPLICIT_NOTNULL typeOperand=@[FlexibleMutability] kotlin.collections.MutableList<@[EnhancedNullability] @[NotNull(value = <null>)] <root>.P>
+              CALL 'public open fun listOfNotNull (): @[FlexibleNullability] @[FlexibleMutability] kotlin.collections.MutableList<@[EnhancedNullability] @[NotNull(value = <null>)] <root>.P>? declared in <root>.J' type=@[FlexibleNullability] @[FlexibleMutability] kotlin.collections.MutableList<@[EnhancedNullability] @[NotNull(value = <null>)] <root>.P>? origin=null
       VAR name:x type:kotlin.Int [val]
         CALL 'public final fun component1 (): kotlin.Int declared in kotlin.collections.IndexedValue' type=kotlin.Int origin=COMPONENT_N(index=1)
-          $this: GET_VAR 'val tmp_3: kotlin.collections.IndexedValue<@[EnhancedNullability] <root>.P> declared in <root>.test4' type=kotlin.collections.IndexedValue<@[EnhancedNullability] <root>.P> origin=null
-      VAR name:y type:@[EnhancedNullability] <root>.P [val]
-        TYPE_OP type=<root>.P origin=IMPLICIT_NOTNULL typeOperand=<root>.P
-          CALL 'public final fun component2 (): T of kotlin.collections.IndexedValue declared in kotlin.collections.IndexedValue' type=@[EnhancedNullability] <root>.P origin=COMPONENT_N(index=2)
-            $this: GET_VAR 'val tmp_3: kotlin.collections.IndexedValue<@[EnhancedNullability] <root>.P> declared in <root>.test4' type=kotlin.collections.IndexedValue<@[EnhancedNullability] <root>.P> origin=null
+          $this: GET_VAR 'val tmp_3: kotlin.collections.IndexedValue<@[EnhancedNullability] @[NotNull(value = <null>)] <root>.P> declared in <root>.test4' type=kotlin.collections.IndexedValue<@[EnhancedNullability] @[NotNull(value = <null>)] <root>.P> origin=null
+      VAR name:y type:@[EnhancedNullability] @[NotNull(value = <null>)] <root>.P [val]
+        TYPE_OP type=@[NotNull(value = <null>)] <root>.P origin=IMPLICIT_NOTNULL typeOperand=@[NotNull(value = <null>)] <root>.P
+          CALL 'public final fun component2 (): T of kotlin.collections.IndexedValue declared in kotlin.collections.IndexedValue' type=@[EnhancedNullability] @[NotNull(value = <null>)] <root>.P origin=COMPONENT_N(index=2)
+            $this: GET_VAR 'val tmp_3: kotlin.collections.IndexedValue<@[EnhancedNullability] @[NotNull(value = <null>)] <root>.P> declared in <root>.test4' type=kotlin.collections.IndexedValue<@[EnhancedNullability] @[NotNull(value = <null>)] <root>.P> origin=null
       CALL 'public final fun use (x: kotlin.Any, y: kotlin.Any): kotlin.Unit declared in <root>' type=kotlin.Unit origin=null
         x: GET_VAR 'val x: kotlin.Int declared in <root>.test4' type=kotlin.Int origin=null
-        y: GET_VAR 'val y: @[EnhancedNullability] <root>.P declared in <root>.test4' type=@[EnhancedNullability] <root>.P origin=null
+        y: GET_VAR 'val y: @[EnhancedNullability] @[NotNull(value = <null>)] <root>.P declared in <root>.test4' type=@[EnhancedNullability] @[NotNull(value = <null>)] <root>.P origin=null

compiler/testData/ir/irText/types/nullChecks/enhancedNullabilityInDestructuringAssignment.fir.kt.txt

@@ -59,30 +59,30 @@ fun test1() {
 }
 
 fun test2() {
-  val <destruct>: @FlexibleNullability Q<@EnhancedNullability String, @EnhancedNullability String>? = notNullComponents()
-  val x: @EnhancedNullability String = <destruct>.component1() /*!! String */
-  val y: @EnhancedNullability String = <destruct>.component2() /*!! String */
+  val <destruct>: @FlexibleNullability Q<@EnhancedNullability @NotNull String, @EnhancedNullability @NotNull String>? = notNullComponents()
+  val x: @EnhancedNullability @NotNull String = <destruct>.component1() /*!! @NotNull String */
+  val y: @EnhancedNullability @NotNull String = <destruct>.component2() /*!! @NotNull String */
   use(x = x, y = y)
 }
 
 fun test2Desugared() {
-  val tmp: @FlexibleNullability Q<@EnhancedNullability String, @EnhancedNullability String>? = notNullComponents()
-  val x: String = tmp.component1() /*!! String */
-  val y: String = tmp.component2() /*!! String */
+  val tmp: @FlexibleNullability Q<@EnhancedNullability @NotNull String, @EnhancedNullability @NotNull String>? = notNullComponents()
+  val x: @NotNull String = tmp.component1() /*!! @NotNull String */
+  val y: @NotNull String = tmp.component2() /*!! @NotNull String */
   use(x = x, y = y)
 }
 
 fun test3() {
-  val <destruct>: Q<@EnhancedNullability String, @EnhancedNullability String> = notNullQAndComponents() /*!! Q<@EnhancedNullability String, @EnhancedNullability String> */
-  val x: @EnhancedNullability String = <destruct>.component1() /*!! String */
-  val y: @EnhancedNullability String = <destruct>.component2() /*!! String */
+  val <destruct>: Q<@EnhancedNullability @NotNull String, @EnhancedNullability @NotNull String> = notNullQAndComponents() /*!! Q<@EnhancedNullability @NotNull String, @EnhancedNullability @NotNull String> */
+  val x: @EnhancedNullability @NotNull String = <destruct>.component1() /*!! @NotNull String */
+  val y: @EnhancedNullability @NotNull String = <destruct>.component2() /*!! @NotNull String */
   use(x = x, y = y)
 }
 
 fun test4() {
-  val <destruct>: IndexedValue<@EnhancedNullability P> = listOfNotNull() /*!! @FlexibleMutability MutableList<@EnhancedNullability P> */.withIndex<@EnhancedNullability P>().first<IndexedValue<@EnhancedNullability P>>()
+  val <destruct>: IndexedValue<@EnhancedNullability @NotNull P> = listOfNotNull() /*!! @FlexibleMutability MutableList<@EnhancedNullability @NotNull P> */.withIndex<@EnhancedNullability @NotNull P>().first<IndexedValue<@EnhancedNullability @NotNull P>>()
   val x: Int = <destruct>.component1()
-  val y: @EnhancedNullability P = <destruct>.component2() /*!! P */
+  val y: @EnhancedNullability @NotNull P = <destruct>.component2() /*!! @NotNull P */
   use(x = x, y = y)
 }
 

compiler/testData/ir/irText/types/nullChecks/enhancedNullabilityInForLoop.fir.ir.txt

@@ -5,52 +5,52 @@ FILE fqName:<root> fileName:/enhancedNullabilityInForLoop.kt
   FUN name:testForInListUnused visibility:public modality:FINAL <> () returnType:kotlin.Unit
     BLOCK_BODY
       BLOCK type=kotlin.Unit origin=FOR_LOOP
-        VAR FOR_LOOP_ITERATOR name:tmp_0 type:kotlin.collections.MutableIterator<@[EnhancedNullability] <root>.P> [val]
-          CALL 'public abstract fun iterator (): kotlin.collections.MutableIterator<E of kotlin.collections.MutableList> declared in kotlin.collections.MutableList' type=kotlin.collections.MutableIterator<@[EnhancedNullability] <root>.P> origin=FOR_LOOP_ITERATOR
-            $this: CALL 'public open fun listOfNotNull (): @[FlexibleNullability] @[FlexibleMutability] kotlin.collections.MutableList<@[EnhancedNullability] <root>.P>? declared in <root>.J' type=@[FlexibleNullability] @[FlexibleMutability] kotlin.collections.MutableList<@[EnhancedNullability] <root>.P>? origin=null
+        VAR FOR_LOOP_ITERATOR name:tmp_0 type:kotlin.collections.MutableIterator<@[EnhancedNullability] @[NotNull(value = <null>)] <root>.P> [val]
+          CALL 'public abstract fun iterator (): kotlin.collections.MutableIterator<E of kotlin.collections.MutableList> declared in kotlin.collections.MutableList' type=kotlin.collections.MutableIterator<@[EnhancedNullability] @[NotNull(value = <null>)] <root>.P> origin=FOR_LOOP_ITERATOR
+            $this: CALL 'public open fun listOfNotNull (): @[FlexibleNullability] @[FlexibleMutability] kotlin.collections.MutableList<@[EnhancedNullability] @[NotNull(value = <null>)] <root>.P>? declared in <root>.J' type=@[FlexibleNullability] @[FlexibleMutability] kotlin.collections.MutableList<@[EnhancedNullability] @[NotNull(value = <null>)] <root>.P>? origin=null
         WHILE label=null origin=FOR_LOOP_INNER_WHILE
           condition: CALL 'public abstract fun hasNext (): kotlin.Boolean declared in kotlin.collections.MutableIterator' type=kotlin.Boolean origin=FOR_LOOP_HAS_NEXT
-            $this: GET_VAR 'val tmp_0: kotlin.collections.MutableIterator<@[EnhancedNullability] <root>.P> declared in <root>.testForInListUnused' type=kotlin.collections.MutableIterator<@[EnhancedNullability] <root>.P> origin=null
+            $this: GET_VAR 'val tmp_0: kotlin.collections.MutableIterator<@[EnhancedNullability] @[NotNull(value = <null>)] <root>.P> declared in <root>.testForInListUnused' type=kotlin.collections.MutableIterator<@[EnhancedNullability] @[NotNull(value = <null>)] <root>.P> origin=null
           body: BLOCK type=kotlin.Unit origin=FOR_LOOP_INNER_WHILE
-            VAR FOR_LOOP_VARIABLE name:x type:<root>.P [val]
-              TYPE_OP type=<root>.P origin=IMPLICIT_NOTNULL typeOperand=<root>.P
-                CALL 'public abstract fun next (): T of kotlin.collections.MutableIterator declared in kotlin.collections.MutableIterator' type=@[EnhancedNullability] <root>.P origin=FOR_LOOP_NEXT
-                  $this: GET_VAR 'val tmp_0: kotlin.collections.MutableIterator<@[EnhancedNullability] <root>.P> declared in <root>.testForInListUnused' type=kotlin.collections.MutableIterator<@[EnhancedNullability] <root>.P> origin=null
+            VAR FOR_LOOP_VARIABLE name:x type:@[NotNull(value = <null>)] <root>.P [val]
+              TYPE_OP type=@[NotNull(value = <null>)] <root>.P origin=IMPLICIT_NOTNULL typeOperand=@[NotNull(value = <null>)] <root>.P
+                CALL 'public abstract fun next (): T of kotlin.collections.MutableIterator declared in kotlin.collections.MutableIterator' type=@[EnhancedNullability] @[NotNull(value = <null>)] <root>.P origin=FOR_LOOP_NEXT
+                  $this: GET_VAR 'val tmp_0: kotlin.collections.MutableIterator<@[EnhancedNullability] @[NotNull(value = <null>)] <root>.P> declared in <root>.testForInListUnused' type=kotlin.collections.MutableIterator<@[EnhancedNullability] @[NotNull(value = <null>)] <root>.P> origin=null
             BLOCK type=kotlin.Unit origin=null
   FUN name:testForInListDestructured visibility:public modality:FINAL <> () returnType:kotlin.Unit
     BLOCK_BODY
       BLOCK type=kotlin.Unit origin=FOR_LOOP
-        VAR FOR_LOOP_ITERATOR name:tmp_1 type:kotlin.collections.MutableIterator<@[EnhancedNullability] <root>.P> [val]
-          CALL 'public abstract fun iterator (): kotlin.collections.MutableIterator<E of kotlin.collections.MutableList> declared in kotlin.collections.MutableList' type=kotlin.collections.MutableIterator<@[EnhancedNullability] <root>.P> origin=FOR_LOOP_ITERATOR
-            $this: CALL 'public open fun listOfNotNull (): @[FlexibleNullability] @[FlexibleMutability] kotlin.collections.MutableList<@[EnhancedNullability] <root>.P>? declared in <root>.J' type=@[FlexibleNullability] @[FlexibleMutability] kotlin.collections.MutableList<@[EnhancedNullability] <root>.P>? origin=null
+        VAR FOR_LOOP_ITERATOR name:tmp_1 type:kotlin.collections.MutableIterator<@[EnhancedNullability] @[NotNull(value = <null>)] <root>.P> [val]
+          CALL 'public abstract fun iterator (): kotlin.collections.MutableIterator<E of kotlin.collections.MutableList> declared in kotlin.collections.MutableList' type=kotlin.collections.MutableIterator<@[EnhancedNullability] @[NotNull(value = <null>)] <root>.P> origin=FOR_LOOP_ITERATOR
+            $this: CALL 'public open fun listOfNotNull (): @[FlexibleNullability] @[FlexibleMutability] kotlin.collections.MutableList<@[EnhancedNullability] @[NotNull(value = <null>)] <root>.P>? declared in <root>.J' type=@[FlexibleNullability] @[FlexibleMutability] kotlin.collections.MutableList<@[EnhancedNullability] @[NotNull(value = <null>)] <root>.P>? origin=null
         WHILE label=null origin=FOR_LOOP_INNER_WHILE
           condition: CALL 'public abstract fun hasNext (): kotlin.Boolean declared in kotlin.collections.MutableIterator' type=kotlin.Boolean origin=FOR_LOOP_HAS_NEXT
-            $this: GET_VAR 'val tmp_1: kotlin.collections.MutableIterator<@[EnhancedNullability] <root>.P> declared in <root>.testForInListDestructured' type=kotlin.collections.MutableIterator<@[EnhancedNullability] <root>.P> origin=null
+            $this: GET_VAR 'val tmp_1: kotlin.collections.MutableIterator<@[EnhancedNullability] @[NotNull(value = <null>)] <root>.P> declared in <root>.testForInListDestructured' type=kotlin.collections.MutableIterator<@[EnhancedNullability] @[NotNull(value = <null>)] <root>.P> origin=null
           body: BLOCK type=kotlin.Unit origin=FOR_LOOP_INNER_WHILE
-            VAR IR_TEMPORARY_VARIABLE name:tmp_2 type:<root>.P [val]
-              TYPE_OP type=<root>.P origin=IMPLICIT_NOTNULL typeOperand=<root>.P
-                CALL 'public abstract fun next (): T of kotlin.collections.MutableIterator declared in kotlin.collections.MutableIterator' type=@[EnhancedNullability] <root>.P origin=FOR_LOOP_NEXT
-                  $this: GET_VAR 'val tmp_1: kotlin.collections.MutableIterator<@[EnhancedNullability] <root>.P> declared in <root>.testForInListDestructured' type=kotlin.collections.MutableIterator<@[EnhancedNullability] <root>.P> origin=null
+            VAR IR_TEMPORARY_VARIABLE name:tmp_2 type:@[NotNull(value = <null>)] <root>.P [val]
+              TYPE_OP type=@[NotNull(value = <null>)] <root>.P origin=IMPLICIT_NOTNULL typeOperand=@[NotNull(value = <null>)] <root>.P
+                CALL 'public abstract fun next (): T of kotlin.collections.MutableIterator declared in kotlin.collections.MutableIterator' type=@[EnhancedNullability] @[NotNull(value = <null>)] <root>.P origin=FOR_LOOP_NEXT
+                  $this: GET_VAR 'val tmp_1: kotlin.collections.MutableIterator<@[EnhancedNullability] @[NotNull(value = <null>)] <root>.P> declared in <root>.testForInListDestructured' type=kotlin.collections.MutableIterator<@[EnhancedNullability] @[NotNull(value = <null>)] <root>.P> origin=null
             VAR name:x type:kotlin.Int [val]
               CALL 'public final fun component1 (): kotlin.Int declared in <root>.P' type=kotlin.Int origin=COMPONENT_N(index=1)
-                $this: GET_VAR 'val tmp_2: <root>.P declared in <root>.testForInListDestructured' type=<root>.P origin=null
+                $this: GET_VAR 'val tmp_2: @[NotNull(value = <null>)] <root>.P declared in <root>.testForInListDestructured' type=@[NotNull(value = <null>)] <root>.P origin=null
             VAR name:y type:kotlin.Int [val]
               CALL 'public final fun component2 (): kotlin.Int declared in <root>.P' type=kotlin.Int origin=COMPONENT_N(index=2)
-                $this: GET_VAR 'val tmp_2: <root>.P declared in <root>.testForInListDestructured' type=<root>.P origin=null
+                $this: GET_VAR 'val tmp_2: @[NotNull(value = <null>)] <root>.P declared in <root>.testForInListDestructured' type=@[NotNull(value = <null>)] <root>.P origin=null
             BLOCK type=kotlin.Unit origin=null
   FUN name:testDesugaredForInList visibility:public modality:FINAL <> () returnType:kotlin.Unit
     BLOCK_BODY
-      VAR name:iterator type:kotlin.collections.MutableIterator<@[EnhancedNullability] <root>.P> [val]
-        CALL 'public abstract fun iterator (): kotlin.collections.MutableIterator<E of kotlin.collections.MutableList> declared in kotlin.collections.MutableList' type=kotlin.collections.MutableIterator<@[EnhancedNullability] <root>.P> origin=null
-          $this: CALL 'public open fun listOfNotNull (): @[FlexibleNullability] @[FlexibleMutability] kotlin.collections.MutableList<@[EnhancedNullability] <root>.P>? declared in <root>.J' type=@[FlexibleNullability] @[FlexibleMutability] kotlin.collections.MutableList<@[EnhancedNullability] <root>.P>? origin=null
+      VAR name:iterator type:kotlin.collections.MutableIterator<@[EnhancedNullability] @[NotNull(value = <null>)] <root>.P> [val]
+        CALL 'public abstract fun iterator (): kotlin.collections.MutableIterator<E of kotlin.collections.MutableList> declared in kotlin.collections.MutableList' type=kotlin.collections.MutableIterator<@[EnhancedNullability] @[NotNull(value = <null>)] <root>.P> origin=null
+          $this: CALL 'public open fun listOfNotNull (): @[FlexibleNullability] @[FlexibleMutability] kotlin.collections.MutableList<@[EnhancedNullability] @[NotNull(value = <null>)] <root>.P>? declared in <root>.J' type=@[FlexibleNullability] @[FlexibleMutability] kotlin.collections.MutableList<@[EnhancedNullability] @[NotNull(value = <null>)] <root>.P>? origin=null
       WHILE label=null origin=WHILE_LOOP
         condition: CALL 'public abstract fun hasNext (): kotlin.Boolean declared in kotlin.collections.MutableIterator' type=kotlin.Boolean origin=null
-          $this: GET_VAR 'val iterator: kotlin.collections.MutableIterator<@[EnhancedNullability] <root>.P> declared in <root>.testDesugaredForInList' type=kotlin.collections.MutableIterator<@[EnhancedNullability] <root>.P> origin=null
+          $this: GET_VAR 'val iterator: kotlin.collections.MutableIterator<@[EnhancedNullability] @[NotNull(value = <null>)] <root>.P> declared in <root>.testDesugaredForInList' type=kotlin.collections.MutableIterator<@[EnhancedNullability] @[NotNull(value = <null>)] <root>.P> origin=null
         body: BLOCK type=kotlin.Unit origin=null
-          VAR name:x type:<root>.P [val]
-            TYPE_OP type=<root>.P origin=IMPLICIT_NOTNULL typeOperand=<root>.P
-              CALL 'public abstract fun next (): T of kotlin.collections.MutableIterator declared in kotlin.collections.MutableIterator' type=@[EnhancedNullability] <root>.P origin=null
-                $this: GET_VAR 'val iterator: kotlin.collections.MutableIterator<@[EnhancedNullability] <root>.P> declared in <root>.testDesugaredForInList' type=kotlin.collections.MutableIterator<@[EnhancedNullability] <root>.P> origin=null
+          VAR name:x type:@[NotNull(value = <null>)] <root>.P [val]
+            TYPE_OP type=@[NotNull(value = <null>)] <root>.P origin=IMPLICIT_NOTNULL typeOperand=@[NotNull(value = <null>)] <root>.P
+              CALL 'public abstract fun next (): T of kotlin.collections.MutableIterator declared in kotlin.collections.MutableIterator' type=@[EnhancedNullability] @[NotNull(value = <null>)] <root>.P origin=null
+                $this: GET_VAR 'val iterator: kotlin.collections.MutableIterator<@[EnhancedNullability] @[NotNull(value = <null>)] <root>.P> declared in <root>.testDesugaredForInList' type=kotlin.collections.MutableIterator<@[EnhancedNullability] @[NotNull(value = <null>)] <root>.P> origin=null
   FUN name:testForInArrayUnused visibility:public modality:FINAL <> (j:<root>.J) returnType:kotlin.Unit
     VALUE_PARAMETER name:j index:0 type:<root>.J
     BLOCK_BODY
@@ -71,22 +71,22 @@ FILE fqName:<root> fileName:/enhancedNullabilityInForLoop.kt
   FUN name:testForInListUse visibility:public modality:FINAL <> () returnType:kotlin.Unit
     BLOCK_BODY
       BLOCK type=kotlin.Unit origin=FOR_LOOP
-        VAR FOR_LOOP_ITERATOR name:tmp_4 type:kotlin.collections.MutableIterator<@[EnhancedNullability] <root>.P> [val]
-          CALL 'public abstract fun iterator (): kotlin.collections.MutableIterator<E of kotlin.collections.MutableList> declared in kotlin.collections.MutableList' type=kotlin.collections.MutableIterator<@[EnhancedNullability] <root>.P> origin=FOR_LOOP_ITERATOR
-            $this: CALL 'public open fun listOfNotNull (): @[FlexibleNullability] @[FlexibleMutability] kotlin.collections.MutableList<@[EnhancedNullability] <root>.P>? declared in <root>.J' type=@[FlexibleNullability] @[FlexibleMutability] kotlin.collections.MutableList<@[EnhancedNullability] <root>.P>? origin=null
+        VAR FOR_LOOP_ITERATOR name:tmp_4 type:kotlin.collections.MutableIterator<@[EnhancedNullability] @[NotNull(value = <null>)] <root>.P> [val]
+          CALL 'public abstract fun iterator (): kotlin.collections.MutableIterator<E of kotlin.collections.MutableList> declared in kotlin.collections.MutableList' type=kotlin.collections.MutableIterator<@[EnhancedNullability] @[NotNull(value = <null>)] <root>.P> origin=FOR_LOOP_ITERATOR
+            $this: CALL 'public open fun listOfNotNull (): @[FlexibleNullability] @[FlexibleMutability] kotlin.collections.MutableList<@[EnhancedNullability] @[NotNull(value = <null>)] <root>.P>? declared in <root>.J' type=@[FlexibleNullability] @[FlexibleMutability] kotlin.collections.MutableList<@[EnhancedNullability] @[NotNull(value = <null>)] <root>.P>? origin=null
         WHILE label=null origin=FOR_LOOP_INNER_WHILE
           condition: CALL 'public abstract fun hasNext (): kotlin.Boolean declared in kotlin.collections.MutableIterator' type=kotlin.Boolean origin=FOR_LOOP_HAS_NEXT
-            $this: GET_VAR 'val tmp_4: kotlin.collections.MutableIterator<@[EnhancedNullability] <root>.P> declared in <root>.testForInListUse' type=kotlin.collections.MutableIterator<@[EnhancedNullability] <root>.P> origin=null
+            $this: GET_VAR 'val tmp_4: kotlin.collections.MutableIterator<@[EnhancedNullability] @[NotNull(value = <null>)] <root>.P> declared in <root>.testForInListUse' type=kotlin.collections.MutableIterator<@[EnhancedNullability] @[NotNull(value = <null>)] <root>.P> origin=null
           body: BLOCK type=kotlin.Unit origin=FOR_LOOP_INNER_WHILE
-            VAR FOR_LOOP_VARIABLE name:x type:<root>.P [val]
-              TYPE_OP type=<root>.P origin=IMPLICIT_NOTNULL typeOperand=<root>.P
-                CALL 'public abstract fun next (): T of kotlin.collections.MutableIterator declared in kotlin.collections.MutableIterator' type=@[EnhancedNullability] <root>.P origin=FOR_LOOP_NEXT
-                  $this: GET_VAR 'val tmp_4: kotlin.collections.MutableIterator<@[EnhancedNullability] <root>.P> declared in <root>.testForInListUse' type=kotlin.collections.MutableIterator<@[EnhancedNullability] <root>.P> origin=null
+            VAR FOR_LOOP_VARIABLE name:x type:@[NotNull(value = <null>)] <root>.P [val]
+              TYPE_OP type=@[NotNull(value = <null>)] <root>.P origin=IMPLICIT_NOTNULL typeOperand=@[NotNull(value = <null>)] <root>.P
+                CALL 'public abstract fun next (): T of kotlin.collections.MutableIterator declared in kotlin.collections.MutableIterator' type=@[EnhancedNullability] @[NotNull(value = <null>)] <root>.P origin=FOR_LOOP_NEXT
+                  $this: GET_VAR 'val tmp_4: kotlin.collections.MutableIterator<@[EnhancedNullability] @[NotNull(value = <null>)] <root>.P> declared in <root>.testForInListUse' type=kotlin.collections.MutableIterator<@[EnhancedNullability] @[NotNull(value = <null>)] <root>.P> origin=null
             BLOCK type=kotlin.Unit origin=null
               CALL 'public final fun use (s: <root>.P): kotlin.Unit declared in <root>' type=kotlin.Unit origin=null
-                s: GET_VAR 'val x: <root>.P declared in <root>.testForInListUse' type=<root>.P origin=null
+                s: GET_VAR 'val x: @[NotNull(value = <null>)] <root>.P declared in <root>.testForInListUse' type=@[NotNull(value = <null>)] <root>.P origin=null
               CALL 'public open fun use (s: @[EnhancedNullability] <root>.P): kotlin.Unit declared in <root>.J' type=kotlin.Unit origin=null
-                s: GET_VAR 'val x: <root>.P declared in <root>.testForInListUse' type=<root>.P origin=null
+                s: GET_VAR 'val x: @[NotNull(value = <null>)] <root>.P declared in <root>.testForInListUse' type=@[NotNull(value = <null>)] <root>.P origin=null
   FUN name:testForInArrayUse visibility:public modality:FINAL <> (j:<root>.J) returnType:kotlin.Unit
     VALUE_PARAMETER name:j index:0 type:<root>.J
     BLOCK_BODY

compiler/testData/ir/irText/types/nullChecks/enhancedNullabilityInForLoop.fir.kt.txt

@@ -3,9 +3,9 @@ fun use(s: P) {
 
 fun testForInListUnused() {
   { // BLOCK
-    val <iterator>: MutableIterator<@EnhancedNullability P> = listOfNotNull().iterator()
+    val <iterator>: MutableIterator<@EnhancedNullability @NotNull P> = listOfNotNull().iterator()
     while (<iterator>.hasNext()) { // BLOCK
-      val x: P = <iterator>.next() /*!! P */
+      val x: @NotNull P = <iterator>.next() /*!! @NotNull P */
       { // BLOCK
       }
     }
@@ -14,9 +14,9 @@ fun testForInListUnused() {
 
 fun testForInListDestructured() {
   { // BLOCK
-    val <iterator>: MutableIterator<@EnhancedNullability P> = listOfNotNull().iterator()
+    val <iterator>: MutableIterator<@EnhancedNullability @NotNull P> = listOfNotNull().iterator()
     while (<iterator>.hasNext()) { // BLOCK
-      val <destruct>: P = <iterator>.next() /*!! P */
+      val <destruct>: @NotNull P = <iterator>.next() /*!! @NotNull P */
       val x: Int = <destruct>.component1()
       val y: Int = <destruct>.component2()
       { // BLOCK
@@ -26,9 +26,9 @@ fun testForInListDestructured() {
 }
 
 fun testDesugaredForInList() {
-  val iterator: MutableIterator<@EnhancedNullability P> = listOfNotNull().iterator()
+  val iterator: MutableIterator<@EnhancedNullability @NotNull P> = listOfNotNull().iterator()
   while (iterator.hasNext()) { // BLOCK
-    val x: P = iterator.next() /*!! P */
+    val x: @NotNull P = iterator.next() /*!! @NotNull P */
   }
 }
 
@@ -45,9 +45,9 @@ fun testForInArrayUnused(j: J) {
 
 fun testForInListUse() {
   { // BLOCK
-    val <iterator>: MutableIterator<@EnhancedNullability P> = listOfNotNull().iterator()
+    val <iterator>: MutableIterator<@EnhancedNullability @NotNull P> = listOfNotNull().iterator()
     while (<iterator>.hasNext()) { // BLOCK
-      val x: P = <iterator>.next() /*!! P */
+      val x: @NotNull P = <iterator>.next() /*!! @NotNull P */
       { // BLOCK
         use(s = x)
         use(s = x)