Copy compileTimeInitializer for const property descriptor

#KT-15802 Fixed

core/descriptors/src/org/jetbrains/kotlin/descriptors/impl/PropertyDescriptorImpl.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2010-2016 JetBrains s.r.o.
+ * Copyright 2010-2017 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.
@@ -333,6 +333,10 @@ public class PropertyDescriptorImpl extends VariableDescriptorWithInitializerImp
             substitutedDescriptor.setOverriddenDescriptors(overridden);
         }
 
+        if (isConst() && compileTimeInitializer != null) {
+            substitutedDescriptor.setCompileTimeInitializer(compileTimeInitializer);
+        }
+
         return substitutedDescriptor;
     }