Fix exception at accidentally wrong annotation argument type

#KT-13740 Fixed

compiler/backend/src/org/jetbrains/kotlin/codegen/ExpressionCodegen.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.
@@ -1518,6 +1518,10 @@ public class ExpressionCodegen extends KtVisitor<StackValue, StackValue> impleme
         }
 
         KotlinType expectedType = bindingContext.getType(expression);
+        if (expectedType == null) {
+            return null;
+        }
+
         return compileTimeValue.toConstantValue(expectedType);
     }