Add additional IrFunction constructor with custom visibility and modality

(cherry picked from commit 0664d77)

compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/impl/IrFunctionImpl.kt

@@ -1,17 +1,6 @@
 /*
- * Copyright 2010-2016 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the license/LICENSE.txt file.
  */
 
 package org.jetbrains.kotlin.ir.declarations.impl
@@ -50,12 +39,14 @@ class IrFunctionImpl(
         startOffset: Int,
         endOffset: Int,
         origin: IrDeclarationOrigin,
-        symbol: IrSimpleFunctionSymbol
+        symbol: IrSimpleFunctionSymbol,
+        visibility: Visibility = symbol.descriptor.visibility,
+        modality: Modality = symbol.descriptor.modality
     ) : this(
         startOffset, endOffset, origin, symbol,
         symbol.descriptor.name,
-        symbol.descriptor.visibility,
-        symbol.descriptor.modality,
+        visibility,
+        modality,
         symbol.descriptor.isInline,
         symbol.descriptor.isExternal,
         symbol.descriptor.isTailrec,