K2: implement FirLateinitIntrinsicApplicabilityChecker ^KT-55495 Fixed

compiler/testData/diagnostics/testsWithStdLib/lateinit/isInitialized.fir.kt

@@ -1,87 +0,0 @@
-// !DIAGNOSTICS: -UNUSED_VARIABLE -NOTHING_TO_INLINE
-// FILE: test.kt
-
-interface Base {
-    var x: String
-}
-
-open class Foo : Base {
-    override lateinit var x: String
-    private lateinit var y: String
-
-    var nonLateInit: Int = 1
-
-    fun ok() {
-        val b: Boolean = this::x.isInitialized
-
-        val otherInstance = Foo()
-        otherInstance::x.isInitialized
-
-        (this::x).isInitialized
-        (@Suppress("ALL") (this::x)).isInitialized
-
-        object {
-            fun local() {
-                class Local {
-                    val xx = this@Foo::x.isInitialized
-                    val yy = this@Foo::y.isInitialized
-                }
-            }
-        }
-    }
-
-    fun onLiteral() {
-        val p = this::x
-        p.isInitialized
-    }
-
-    fun onNonLateinit() {
-        this::nonLateInit.isInitialized
-    }
-
-    inline fun inlineFun() {
-        this::x.isInitialized
-
-        object {
-            val z = this@Foo::x.isInitialized
-        }
-    }
-
-    inner class InnerSubclass : Foo() {
-        fun innerOk() {
-            // This is access to Foo.x declared lexically above
-            this@Foo::x.isInitialized
-
-            // This is access to InnerSubclass.x which is inherited from Foo.x
-            this::x.isInitialized
-        }
-    }
-}
-
-fun onNonAccessible() {
-    Foo()::x.isInitialized
-}
-
-fun onNonLateinit() {
-    Foo()::nonLateInit.isInitialized
-}
-
-object Unrelated {
-    fun onNonAccessible() {
-        Foo()::x.isInitialized
-    }
-}
-
-class FooImpl : Foo() {
-    fun onNonAccessible() {
-        this::x.isInitialized
-    }
-}
-
-// FILE: other.kt
-
-class OtherFooImpl : Foo() {
-    fun onNonAccessible() {
-        this::x.isInitialized
-    }
-}

compiler/testData/diagnostics/testsWithStdLib/lateinit/isInitialized.kt

@@ -1,6 +1,9 @@
+// FIR_IDENTICAL
 // !DIAGNOSTICS: -UNUSED_VARIABLE -NOTHING_TO_INLINE
 // FILE: test.kt
 
+lateinit var topLevel: String
+
 interface Base {
     var x: String
 }
@@ -12,6 +15,7 @@ open class Foo : Base {
     var nonLateInit: Int = 1
 
     fun ok() {
+        ::topLevel.isInitialized
         val b: Boolean = this::x.isInitialized
 
         val otherInstance = Foo()
@@ -83,5 +87,6 @@ class FooImpl : Foo() {
 class OtherFooImpl : Foo() {
     fun onNonAccessible() {
         this::x.<!LATEINIT_INTRINSIC_CALL_ON_NON_ACCESSIBLE_PROPERTY!>isInitialized<!>
+        ::topLevel.<!LATEINIT_INTRINSIC_CALL_ON_NON_ACCESSIBLE_PROPERTY!>isInitialized<!>
     }
 }

compiler/testData/diagnostics/testsWithStdLib/lateinit/isInitialized.txt

@@ -1,5 +1,6 @@
 package
 
+public lateinit var topLevel: kotlin.String
 public fun onNonAccessible(): kotlin.Unit
 public fun onNonLateinit(): kotlin.Unit
 
@@ -76,3 +77,4 @@ public object Unrelated {
     public final fun onNonAccessible(): kotlin.Unit
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
 }
+