From 1b016d0bcec4ecf4775d3ee9d64f325e8d2cd740 Mon Sep 17 00:00:00 2001
From: Kirill Rakhman <kirill.rakhman@jetbrains.com>
Date: Thu, 5 Jan 2023 17:10:08 +0100
Subject: [PATCH] FIR, Serialization: fix FirSerializationPluginClassChecker
 after DiagnosticsReporter refactoring related to reporting diagnostic on null
 source

---
 .../fir/checkers/FirSerializationPluginClassChecker.kt        | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/plugins/kotlinx-serialization/kotlinx-serialization.k2/src/org/jetbrains/kotlinx/serialization/compiler/fir/checkers/FirSerializationPluginClassChecker.kt b/plugins/kotlinx-serialization/kotlinx-serialization.k2/src/org/jetbrains/kotlinx/serialization/compiler/fir/checkers/FirSerializationPluginClassChecker.kt
index 093c5eef118..86a9cdb1d2e 100644
--- a/plugins/kotlinx-serialization/kotlinx-serialization.k2/src/org/jetbrains/kotlinx/serialization/compiler/fir/checkers/FirSerializationPluginClassChecker.kt
+++ b/plugins/kotlinx-serialization/kotlinx-serialization.k2/src/org/jetbrains/kotlinx/serialization/compiler/fir/checkers/FirSerializationPluginClassChecker.kt
@@ -248,7 +248,9 @@ object FirSerializationPluginClassChecker : FirClassChecker() {
         }
 
         if (with(session) { classSymbol.serializableAnnotationIsUseless }) {
-            reporter.reportOn(classSymbol.serializableOrMetaAnnotationSource, FirSerializationErrors.SERIALIZABLE_ANNOTATION_IGNORED)
+            classSymbol.serializableOrMetaAnnotationSource?.let {
+                reporter.reportOn(it, FirSerializationErrors.SERIALIZABLE_ANNOTATION_IGNORED)
+            }
             return false
         }