Primary constructor generation.

compiler/testData/ir/irText/expressions/forWithImplicitReceivers.txt

@@ -1,7 +1,12 @@
 FILE /forWithImplicitReceivers.kt
   CLASS OBJECT FiveTimes
   CLASS CLASS IntCell
+    FUN public constructor IntCell(/*0*/ value: kotlin.Int)
+      BLOCK_BODY
+        INITIALIZE_PROPERTY value
     PROPERTY public final var value: kotlin.Int getter=null setter=null
+      EXPRESSION_BODY
+        GET_VAR value type=kotlin.Int operator=INITIALIZE_PROPERTY_FROM_PARAMETER
   CLASS INTERFACE IReceiver
     FUN public open operator fun FiveTimes.iterator(): IntCell
       BLOCK_BODY