Get containing file from original method

compiler/light-classes/src/org/jetbrains/kotlin/asJava/KotlinLightParameter.java

@@ -18,6 +18,7 @@ package org.jetbrains.kotlin.asJava;
 
 import com.intellij.lang.Language;
 import com.intellij.psi.PsiAnnotationOwner;
+import com.intellij.psi.PsiFile;
 import com.intellij.psi.PsiModifierList;
 import com.intellij.psi.PsiParameter;
 import com.intellij.psi.search.GlobalSearchScope;
@@ -102,6 +103,12 @@ public class KotlinLightParameter extends LightParameter implements KotlinLightE
         return setter != null ? setter.getParameter() : null;
     }
 
+    @Override
+    public PsiFile getContainingFile() {
+        JetDeclaration declaration = method.getOrigin();
+        return declaration != null ? declaration.getContainingFile() : super.getContainingFile();
+    }
+
     @NotNull
     @Override
     public Language getLanguage() {