Properly lower ImplicitClassReceiver

compiler/testData/ir/irText/singletons/companion.kt

@@ -0,0 +1,11 @@
+class Z {
+
+    fun test2() {
+        test()
+    }
+
+
+    companion object {
+        fun test() {}
+    }
+}

compiler/testData/ir/irText/singletons/companion.txt

@@ -0,0 +1,17 @@
+FILE /companion.kt
+  CLASS CLASS Z
+    CONSTRUCTOR public constructor Z()
+      BLOCK_BODY
+        DELEGATING_CONSTRUCTOR_CALL 'constructor Any()'
+        INSTANCE_INITIALIZER_CALL classDescriptor='Z'
+    FUN public final fun test2(): kotlin.Unit
+      BLOCK_BODY
+        CALL 'test(): Unit' type=kotlin.Unit origin=null
+          $this: GET_OBJECT 'companion object of Z' type=Z.Companion
+    CLASS OBJECT companion object of Z
+      CONSTRUCTOR private constructor Companion()
+        BLOCK_BODY
+          DELEGATING_CONSTRUCTOR_CALL 'constructor Any()'
+          INSTANCE_INITIALIZER_CALL classDescriptor='companion object of Z'
+      FUN public final fun test(): kotlin.Unit
+        BLOCK_BODY

compiler/testData/ir/irText/singletons/enumEntry.kt

@@ -0,0 +1,11 @@
+enum class Z {
+    ENTRY {
+        fun test() {}
+
+        class A {
+            fun test2() {
+                test()
+            }
+        }
+    }
+}

compiler/testData/ir/irText/singletons/enumEntry.txt

@@ -0,0 +1,28 @@
+FILE /enumEntry.kt
+  CLASS ENUM_CLASS Z
+    CONSTRUCTOR private constructor Z()
+      BLOCK_BODY
+        ENUM_CONSTRUCTOR_CALL 'constructor Enum(String, Int)'
+        INSTANCE_INITIALIZER_CALL classDescriptor='Z'
+    ENUM_ENTRY enum entry ENTRY
+      init: ENUM_CONSTRUCTOR_CALL 'constructor ENTRY()'
+      class: CLASS ENUM_ENTRY ENTRY
+        CONSTRUCTOR private constructor ENTRY()
+          BLOCK_BODY
+            ENUM_CONSTRUCTOR_CALL 'constructor Z()'
+            INSTANCE_INITIALIZER_CALL classDescriptor='ENTRY'
+        FUN public final fun test(): kotlin.Unit
+          BLOCK_BODY
+        CLASS CLASS A
+          CONSTRUCTOR public constructor A()
+            BLOCK_BODY
+              DELEGATING_CONSTRUCTOR_CALL 'constructor Any()'
+              INSTANCE_INITIALIZER_CALL classDescriptor='A'
+          FUN public final fun test2(): kotlin.Unit
+            BLOCK_BODY
+              CALL 'test(): Unit' type=kotlin.Unit origin=null
+                $this: GET_OBJECT 'ENTRY' type=Z.ENTRY
+    FUN ENUM_CLASS_SPECIAL_MEMBER public final fun values(): kotlin.Array<Z>
+      SYNTHETIC_BODY kind=ENUM_VALUES
+    FUN ENUM_CLASS_SPECIAL_MEMBER public final fun valueOf(value: kotlin.String): Z
+      SYNTHETIC_BODY kind=ENUM_VALUEOF

compiler/testData/ir/irText/singletons/object.kt

@@ -0,0 +1,10 @@
+object Z {
+
+    fun test() {}
+
+    class A {
+        fun test2() {
+            test()
+        }
+    }
+}

compiler/testData/ir/irText/singletons/object.txt

@@ -0,0 +1,17 @@
+FILE /object.kt
+  CLASS OBJECT Z
+    CONSTRUCTOR private constructor Z()
+      BLOCK_BODY
+        DELEGATING_CONSTRUCTOR_CALL 'constructor Any()'
+        INSTANCE_INITIALIZER_CALL classDescriptor='Z'
+    FUN public final fun test(): kotlin.Unit
+      BLOCK_BODY
+    CLASS CLASS A
+      CONSTRUCTOR public constructor A()
+        BLOCK_BODY
+          DELEGATING_CONSTRUCTOR_CALL 'constructor Any()'
+          INSTANCE_INITIALIZER_CALL classDescriptor='A'
+      FUN public final fun test2(): kotlin.Unit
+        BLOCK_BODY
+          CALL 'test(): Unit' type=kotlin.Unit origin=null
+            $this: GET_OBJECT 'Z' type=Z