New J2K: Do not convert array types to specialized ones in a case of boxed inner type

j2k/newSrc/org/jetbrains/kotlin/j2k/conversions/ArrayInitializerConversion.kt

@@ -18,7 +18,7 @@ class ArrayInitializerConversion(private val context: ConversionContext) : Recur
     override fun applyToElement(element: JKTreeElement): JKTreeElement {
         var newElement = element
         if (element is JKJavaNewArray) {
-            val arrayType = element.type.type.asPrimitiveType()
+            val arrayType = element.type.type as? JKJavaPrimitiveType
             val arrayConstructorName =
                 if (arrayType != null)
                     CollectionLiteralResolver.PRIMITIVE_TYPE_TO_ARRAY[PrimitiveType.valueOf(arrayType.jvmPrimitiveType.name)]!!.asString()
@@ -47,7 +47,7 @@ class ArrayInitializerConversion(private val context: ConversionContext) : Recur
                 )
             } else {
                 JKJavaNewExpressionImpl(
-                    context.symbolProvider.provideByFqName(arrayFqName(type).replace('/', '.')),
+                    context.symbolProvider.provideByFqName(type.arrayFqName()),
                     JKExpressionListImpl(dimensions[0]),
                     JKTypeArgumentListImpl(emptyList())
                 )
@@ -66,7 +66,7 @@ class ArrayInitializerConversion(private val context: ConversionContext) : Recur
             )
         }
         var resultType = JKClassTypeImpl(
-            context.symbolProvider.provideByFqName(arrayFqName(type)),
+            context.symbolProvider.provideByFqName(type.arrayFqName()),
             if (type is JKJavaPrimitiveType) emptyList() else listOf(type),
             Nullability.Default
         )
@@ -83,8 +83,4 @@ class ArrayInitializerConversion(private val context: ConversionContext) : Recur
             JKTypeArgumentListImpl(listOf(JKTypeElementImpl(resultType)))
         )
     }
-
-    private fun arrayFqName(type: JKType): String = if (type is JKJavaPrimitiveType)
-        PrimitiveType.valueOf(type.jvmPrimitiveType.name).arrayTypeFqName.asString()
-    else KotlinBuiltIns.FQ_NAMES.array.asString()
 }

j2k/newSrc/org/jetbrains/kotlin/j2k/conversions/TypeMappingConversion.kt

@@ -114,7 +114,7 @@ class TypeMappingConversion(val context: ConversionContext) : RecursiveApplicabl
                 )
             is JKJavaArrayType ->
                 JKClassTypeImpl(
-                    context.symbolProvider.provideByFqName(arrayFqName(type)),
+                    context.symbolProvider.provideByFqName(type.arrayFqName()),
                     if (type is JKJavaPrimitiveType) emptyList() else listOf(type.mapType(typeElement)),
                     type.nullability
                 )
@@ -189,9 +189,4 @@ class TypeMappingConversion(val context: ConversionContext) : RecursiveApplicabl
             else -> false
         }
     }
-
-    private fun arrayFqName(type: JKType): String =
-        if (type is JKJavaPrimitiveType)
-            PrimitiveType.valueOf(type.jvmPrimitiveType.name).arrayTypeFqName.asString()
-        else KotlinBuiltIns.FQ_NAMES.array.asString()
 }

j2k/newSrc/org/jetbrains/kotlin/j2k/tree/types.kt

@@ -305,6 +305,11 @@ val primitiveTypes =
         JvmPrimitiveType.DOUBLE
     )
 
+fun JKType.arrayFqName(): String =
+    if (this is JKJavaPrimitiveType)
+        PrimitiveType.valueOf(jvmPrimitiveType.name).arrayTypeFqName.asString()
+    else KotlinBuiltIns.FQ_NAMES.array.asString()
+
 fun JKClassSymbol.isArrayType(): Boolean =
     fqName in
             JKJavaPrimitiveTypeImpl.KEYWORD_TO_INSTANCE.values